diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2c3ecdf5..682f2937 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -24,6 +24,7 @@ jobs:
     - run: npm --prefix users/authservice test -- --coverage
     - run: npm --prefix users/userservice test -- --coverage
     - run: npm --prefix gatewayservice test -- --coverage
+    - run: npm --prefix statsservice test -- --coverage
     - run: npm --prefix webapp test -- --coverage
     - name: Analyze with SonarCloud
       uses: sonarsource/sonarcloud-github-action@master
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 841db0aa..4bf74f5c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,10 +16,12 @@ jobs:
       - run: npm --prefix users/userservice ci
       - run: npm --prefix gatewayservice ci
       - run: npm --prefix webapp ci
+      - run: npm --prefix statsservice ci
       - run: npm --prefix questionservice ci
       - run: npm --prefix users/authservice test -- --coverage
       - run: npm --prefix users/userservice test -- --coverage
       - run: npm --prefix gatewayservice test -- --coverage
+      - run: npm --prefix statsservice test -- --coverage
       - run: npm --prefix webapp test -- --coverage
       - name: Analyze with SonarCloud
         uses: sonarsource/sonarcloud-github-action@master
diff --git a/sonar-project.properties b/sonar-project.properties
index 8d411d20..30c3de7c 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -11,7 +11,7 @@ sonar.language=js
 sonar.projectName=wiq_es1a
 
 sonar.coverage.exclusions=**/*.test.js
-sonar.sources=webapp/src/components,webapp/src/pages,users/authservice,users/userservice,gatewayservice
+sonar.sources=webapp/src/components,webapp/src/pages,users/authservice,users/userservice,gatewayservice,statsservice
 sonar.sourceEncoding=UTF-8
 sonar.exclusions=node_modules/**, webapp/src/components/Background/**
 sonar.javascript.lcov.reportPaths=**/coverage/lcov.info
\ No newline at end of file
diff --git a/statsservice/StatsMock.js b/statsservice/StatsMock.js
new file mode 100644
index 00000000..a05a66a9
--- /dev/null
+++ b/statsservice/StatsMock.js
@@ -0,0 +1,44 @@
+const mongoose = require('mongoose');
+
+const stats = new mongoose.Schema({
+    username: {
+      type: String,
+      required: true,
+    },
+    gamemode: {
+        type: String,
+        required: true,
+      },
+    nGamesPlayed: {
+        type: Number,
+        required: true,
+    },
+    avgPoints: {
+        type: Number,
+        required: true,
+    },
+    totalPoints: {
+        type: Number,
+        required: true,
+    },
+    totalCorrectQuestions: {
+      type: Number,
+      required: true,
+    },
+    totalIncorrectQuestions: {
+        type: Number,
+        required: true,
+    },
+    ratioCorrect: {
+        type: Number,
+        required: true,
+    },
+    avgTime: {
+        type: Number,
+        required: true,
+      },
+});
+
+const Stats = mongoose.model('Stats', stats);
+
+module.exports = Stats
diff --git a/statsservice/package-lock.json b/statsservice/package-lock.json
index d9bd0982..e3c17774 100644
--- a/statsservice/package-lock.json
+++ b/statsservice/package-lock.json
@@ -12,7 +12,9 @@
         "axios": "^1.6.7",
         "cors": "^2.8.5",
         "express": "^4.18.2",
-        "mongoose": "^8.2.0"
+        "mongodb-memory-server": "^9.1.8",
+        "mongoose": "^8.2.0",
+        "supertest": "^6.3.4"
       }
     },
     "node_modules/@mongodb-js/saslprep": {
@@ -23,6 +25,14 @@
         "sparse-bitfield": "^3.0.3"
       }
     },
+    "node_modules/@types/node": {
+      "version": "20.12.7",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.12.7.tgz",
+      "integrity": "sha512-wq0cICSkRLVaf3UGLMGItu/PtdY7oaXaI/RVU+xliKVOtRna3PRY57ZDfztpDL0n11vfymMUnXv8QwYCO7L1wg==",
+      "dependencies": {
+        "undici-types": "~5.26.4"
+      }
+    },
     "node_modules/@types/webidl-conversions": {
       "version": "7.0.3",
       "resolved": "https://registry.npmjs.org/@types/webidl-conversions/-/webidl-conversions-7.0.3.tgz",
@@ -48,11 +58,56 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/agent-base": {
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-7.1.1.tgz",
+      "integrity": "sha512-H0TSyFNDMomMNJQBn8wFV5YC/2eJ+VXECwOadZJT554xP6cODZHPX3H9QMQECxvrgiSOP1pHjy1sMWQVYJOUOA==",
+      "dependencies": {
+        "debug": "^4.3.4"
+      },
+      "engines": {
+        "node": ">= 14"
+      }
+    },
+    "node_modules/agent-base/node_modules/debug": {
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+      "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
+      "dependencies": {
+        "ms": "2.1.2"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/agent-base/node_modules/ms": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+    },
     "node_modules/array-flatten": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg=="
     },
+    "node_modules/asap": {
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/asap/-/asap-2.0.6.tgz",
+      "integrity": "sha512-BSHWgDSAiKs50o2Re8ppvp3seVHXSRM44cdSsT9FfNEUUZLOGWVCsiWaRPWM1Znn+mqZ1OfVZ3z3DWEzSp7hRA=="
+    },
+    "node_modules/async-mutex": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/async-mutex/-/async-mutex-0.4.1.tgz",
+      "integrity": "sha512-WfoBo4E/TbCX1G95XTjbWTE3X2XLG0m1Xbv2cwOtuPdyH9CZvnaA5nCt1ucjaKEgW2A5IF71hxrRhr83Je5xjA==",
+      "dependencies": {
+        "tslib": "^2.4.0"
+      }
+    },
     "node_modules/asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -68,6 +123,17 @@
         "proxy-from-env": "^1.1.0"
       }
     },
+    "node_modules/b4a": {
+      "version": "1.6.6",
+      "resolved": "https://registry.npmjs.org/b4a/-/b4a-1.6.6.tgz",
+      "integrity": "sha512-5Tk1HLk6b6ctmjIkAcU/Ujv/1WqiDl0F0JdRCR80VsOcUlHcu7pWeWRlOqQLHfDEsVx9YH/aif5AG4ehoCtTmg=="
+    },
+    "node_modules/bare-events": {
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/bare-events/-/bare-events-2.2.2.tgz",
+      "integrity": "sha512-h7z00dWdG0PYOQEvChhOSWvOfkIKsdZGkWr083FgN/HyoQuebSew/cgirYqh9SCuy/hRvxc5Vy6Fw8xAmYHLkQ==",
+      "optional": true
+    },
     "node_modules/body-parser": {
       "version": "1.20.1",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.1.tgz",
@@ -99,6 +165,14 @@
         "node": ">=16.20.1"
       }
     },
+    "node_modules/buffer-crc32": {
+      "version": "0.2.13",
+      "resolved": "https://registry.npmjs.org/buffer-crc32/-/buffer-crc32-0.2.13.tgz",
+      "integrity": "sha512-VO9Ht/+p3SN7SKWqcrgEzjGbRSJYTx+Q1pTQC0wrWqHx0vpJraQ6GtHx8tvcg1rlK1byhU5gccxgOgj7B0TDkQ==",
+      "engines": {
+        "node": "*"
+      }
+    },
     "node_modules/bytes": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
@@ -125,6 +199,17 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/camelcase": {
+      "version": "6.3.0",
+      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-6.3.0.tgz",
+      "integrity": "sha512-Gmy6FhYlCY7uOElZUSbxo2UCDH8owEk996gkbrpsgGtrJLM3J7jGxl9Ic7Qwwj4ivOE5AWZWRMecDdF7hqGjFA==",
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/combined-stream": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
@@ -136,6 +221,19 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/commondir": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/commondir/-/commondir-1.0.1.tgz",
+      "integrity": "sha512-W9pAhw0ja1Edb5GVdIF1mjZw/ASI0AlShXM83UUGe2DVr5TdAPEA1OA8m/g8zWp9x6On7gqufY+FatDbC3MDQg=="
+    },
+    "node_modules/component-emitter": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.1.tgz",
+      "integrity": "sha512-T0+barUSQRTUQASh8bx02dl+DhF54GtIDY13Y3m9oWTklKbb3Wv974meRpeZ3lp1JpLVECWWNHC4vaG2XHXouQ==",
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/content-disposition": {
       "version": "0.5.4",
       "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.4.tgz",
@@ -168,6 +266,11 @@
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ=="
     },
+    "node_modules/cookiejar": {
+      "version": "2.1.4",
+      "resolved": "https://registry.npmjs.org/cookiejar/-/cookiejar-2.1.4.tgz",
+      "integrity": "sha512-LDx6oHrK+PhzLKJU9j5S7/Y3jM/mUHvD/DeI1WQmJn652iPC5Y4TBzC9l+5OMOXlyTTA+SmVUPm0HQUwpD5Jqw=="
+    },
     "node_modules/cors": {
       "version": "2.8.5",
       "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
@@ -229,6 +332,15 @@
         "npm": "1.2.8000 || >= 1.4.16"
       }
     },
+    "node_modules/dezalgo": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/dezalgo/-/dezalgo-1.0.4.tgz",
+      "integrity": "sha512-rXSP0bf+5n0Qonsb+SVVfNfIsimO4HEtmnIpPHY8Q1UCzKlQrDMfdobr8nJOOsRgWCyMRqeSBQzmWUMq7zvVig==",
+      "dependencies": {
+        "asap": "^2.0.0",
+        "wrappy": "1"
+      }
+    },
     "node_modules/ee-first": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
@@ -315,6 +427,24 @@
         "node": ">= 0.10.0"
       }
     },
+    "node_modules/fast-fifo": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/fast-fifo/-/fast-fifo-1.3.2.tgz",
+      "integrity": "sha512-/d9sfos4yxzpwkDkuN7k2SqFKtYNmCTzgfEpz82x34IM9/zc8KGxQoXg1liNC/izpRM/MBdt44Nmx41ZWqk+FQ=="
+    },
+    "node_modules/fast-safe-stringify": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/fast-safe-stringify/-/fast-safe-stringify-2.1.1.tgz",
+      "integrity": "sha512-W+KJc2dmILlPplD/H4K9l9LcAHAfPtP6BY84uVLXQ6Evcz9Lcg33Y2z1IVblT6xdY54PXYVHEv+0Wpq8Io6zkA=="
+    },
+    "node_modules/fd-slicer": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/fd-slicer/-/fd-slicer-1.1.0.tgz",
+      "integrity": "sha512-cE1qsB/VwyQozZ+q1dGxR8LBYNZeofhEdUNGSMbQD3Gw2lAzX9Zb3uIU6Ebc/Fmyjo9AWWfnn0AUCHqtevs/8g==",
+      "dependencies": {
+        "pend": "~1.2.0"
+      }
+    },
     "node_modules/finalhandler": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.2.0.tgz",
@@ -332,10 +462,38 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/find-cache-dir": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/find-cache-dir/-/find-cache-dir-3.3.2.tgz",
+      "integrity": "sha512-wXZV5emFEjrridIgED11OoUKLxiYjAcqot/NJdAkOhlJ+vGzwhOAfcG5OX1jP+S0PcjEn8bdMJv+g2jwQ3Onig==",
+      "dependencies": {
+        "commondir": "^1.0.1",
+        "make-dir": "^3.0.2",
+        "pkg-dir": "^4.1.0"
+      },
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/avajs/find-cache-dir?sponsor=1"
+      }
+    },
+    "node_modules/find-up": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/find-up/-/find-up-4.1.0.tgz",
+      "integrity": "sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==",
+      "dependencies": {
+        "locate-path": "^5.0.0",
+        "path-exists": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/follow-redirects": {
-      "version": "1.15.5",
-      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.5.tgz",
-      "integrity": "sha512-vSFWUON1B+yAw1VN4xMfxgn5fTUiaOzAJCKBwIIgT/+7CuGy9+r+5gITvP62j3RmaD5Ph65UaERdOSRGUzZtgw==",
+      "version": "1.15.6",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.6.tgz",
+      "integrity": "sha512-wWN62YITEaOpSK584EZXJafH1AGpO8RVgElfkuXbTOrPX4fIfOyEpW/CsiNd8JdYrAoOvafRTOEnvsO++qCqFA==",
       "funding": [
         {
           "type": "individual",
@@ -364,6 +522,20 @@
         "node": ">= 6"
       }
     },
+    "node_modules/formidable": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/formidable/-/formidable-2.1.2.tgz",
+      "integrity": "sha512-CM3GuJ57US06mlpQ47YcunuUZ9jpm8Vx+P2CGt2j7HpgkKZO/DJYQ0Bobim8G6PFQmK5lOqOOdUXboU+h73A4g==",
+      "dependencies": {
+        "dezalgo": "^1.0.4",
+        "hexoid": "^1.0.0",
+        "once": "^1.4.0",
+        "qs": "^6.11.0"
+      },
+      "funding": {
+        "url": "https://ko-fi.com/tunnckoCore/commissions"
+      }
+    },
     "node_modules/forwarded": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",
@@ -461,6 +633,14 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/hexoid": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/hexoid/-/hexoid-1.0.0.tgz",
+      "integrity": "sha512-QFLV0taWQOZtvIRIAdBChesmogZrtuXvVWsFHZTk2SU+anspqZ2vMnoLg7IE1+Uk16N19APic1BuF8bC8c2m5g==",
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/http-errors": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-2.0.0.tgz",
@@ -476,6 +656,39 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/https-proxy-agent": {
+      "version": "7.0.4",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-7.0.4.tgz",
+      "integrity": "sha512-wlwpilI7YdjSkWaQ/7omYBMTliDcmCN8OLihO6I9B86g06lMyAoqgoDpV0XqoaPOKj+0DIdAvnsWfyAAhmimcg==",
+      "dependencies": {
+        "agent-base": "^7.0.2",
+        "debug": "4"
+      },
+      "engines": {
+        "node": ">= 14"
+      }
+    },
+    "node_modules/https-proxy-agent/node_modules/debug": {
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+      "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
+      "dependencies": {
+        "ms": "2.1.2"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/https-proxy-agent/node_modules/ms": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+    },
     "node_modules/iconv-lite": {
       "version": "0.4.24",
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
@@ -492,6 +705,18 @@
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
       "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
     },
+    "node_modules/ip-address": {
+      "version": "9.0.5",
+      "resolved": "https://registry.npmjs.org/ip-address/-/ip-address-9.0.5.tgz",
+      "integrity": "sha512-zHtQzGojZXTwZTHQqra+ETKd4Sn3vgi7uBmlPoXVWZqYvuKmtI0l/VZTjqGmJY9x88GGOaZ9+G9ES8hC4T4X8g==",
+      "dependencies": {
+        "jsbn": "1.1.0",
+        "sprintf-js": "^1.1.3"
+      },
+      "engines": {
+        "node": ">= 12"
+      }
+    },
     "node_modules/ipaddr.js": {
       "version": "1.9.1",
       "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.9.1.tgz",
@@ -500,6 +725,11 @@
         "node": ">= 0.10"
       }
     },
+    "node_modules/jsbn": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/jsbn/-/jsbn-1.1.0.tgz",
+      "integrity": "sha512-4bYVV3aAMtDTTu4+xsDYa6sy9GyJ69/amsu9sYF2zqjiEoZA5xJi3BrfX3uY+/IekIu7MwdObdbDWpoZdBv3/A=="
+    },
     "node_modules/kareem": {
       "version": "2.5.1",
       "resolved": "https://registry.npmjs.org/kareem/-/kareem-2.5.1.tgz",
@@ -508,6 +738,50 @@
         "node": ">=12.0.0"
       }
     },
+    "node_modules/locate-path": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-5.0.0.tgz",
+      "integrity": "sha512-t7hw9pI+WvuwNJXwk5zVHpyhIqzg2qTlklJOf0mVxGSbe3Fp2VieZcduNYjaLDoy6p9uGpQEGWG87WpMKlNq8g==",
+      "dependencies": {
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+      },
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+        "mime": "cli.js"
+      },
+      "engines": {
+        "node": ">=4.0.0"
+      }
+    },
+    "node_modules/superagent/node_modules/ms": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+    },
+    "node_modules/supertest": {
+      "version": "6.3.4",
+      "resolved": "https://registry.npmjs.org/supertest/-/supertest-6.3.4.tgz",
+      "integrity": "sha512-erY3HFDG0dPnhw4U+udPfrzXa4xhSG+n4rxfRuZWCUvjFWwKl+OxWf/7zk50s84/fAAs7vf5QAb9uRa0cCykxw==",
+      "dependencies": {
+        "methods": "^1.1.2",
+        "superagent": "^8.1.2"
+      },
+      "engines": {
+        "node": ">=6.4.0"
+      }
+    },
+    "node_modules/tar-stream": {
+      "version": "3.1.7",
+      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-3.1.7.tgz",
+      "integrity": "sha512-qJj60CXt7IU1Ffyc3NJMjh6EkuCFej46zUqJ4J7pqYlThyd9bO0XBTmcOIhSzZJVWfsLks0+nle/j538YAW9RQ==",
+      "dependencies": {
+        "b4a": "^1.6.4",
+        "fast-fifo": "^1.2.0",
+        "streamx": "^2.15.0"
+      }
+    },
     "node_modules/toidentifier": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
@@ -942,6 +1590,11 @@
         "node": ">=14"
       }
     },
+    "node_modules/tslib": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
+      "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q=="
+    },
     "node_modules/type-is": {
       "version": "1.6.18",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
@@ -954,6 +1607,11 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/undici-types": {
+      "version": "5.26.5",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
+      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA=="
+    },
     "node_modules/unpipe": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
@@ -997,6 +1655,25 @@
       "engines": {
         "node": ">=16"
       }
+    },
+    "node_modules/wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="
+    },
+    "node_modules/yallist": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
+    },
+    "node_modules/yauzl": {
+      "version": "2.10.0",
+      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
+      "integrity": "sha512-p4a9I6X6nu6IhoGmBqAcbJy1mlC4j27vEPZX9F4L4/vZT3Lyq1VkFHw/V/PUcB9Buo+DG3iHkT0x3Qya58zc3g==",
+      "dependencies": {
+        "buffer-crc32": "~0.2.3",
+        "fd-slicer": "~1.1.0"
+      }
     }
   }
 }
diff --git a/statsservice/package.json b/statsservice/package.json
index a13dc26c..1f774f98 100644
--- a/statsservice/package.json
+++ b/statsservice/package.json
@@ -5,7 +5,7 @@
   "main": "stats-service.js",
   "scripts": {
     "start": "node stats-service.js",
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "jest"
   },
   "author": "",
   "license": "ISC",
@@ -13,6 +13,8 @@
     "axios": "^1.6.7",
     "cors": "^2.8.5",
     "express": "^4.18.2",
-    "mongoose": "^8.2.0"
+    "mongodb-memory-server": "^9.1.8",
+    "mongoose": "^8.2.0",
+    "supertest": "^6.3.4"
   }
 }
diff --git a/statsservice/stats-service.js b/statsservice/stats-service.js
index d45f0922..28f0f317 100644
--- a/statsservice/stats-service.js
+++ b/statsservice/stats-service.js
@@ -2,7 +2,6 @@
 const express = require("express");
 const bodyParser = require("body-parser");
 const cors = require('cors');
-const axios = require('axios');
 const Stats = require("./model/stats-model.js");
 const StatsForUser = require("./model/stats-getter.js");
 const mongoose = require('mongoose');
@@ -11,8 +10,6 @@ const statsGetter= new StatsForUser();
 const app = express();
 const port = 8004;
 
-const URL = process.env.GATEWAY_SERVICE_URL || "http://localhost:8000";
-
 app.use(bodyParser.json());
 app.use(cors());
 
diff --git a/statsservice/stats-service.test.js b/statsservice/stats-service.test.js
new file mode 100644
index 00000000..f64bf870
--- /dev/null
+++ b/statsservice/stats-service.test.js
@@ -0,0 +1,67 @@
+const request = require("supertest");
+const { MongoMemoryServer } = require("mongodb-memory-server");
+const Stats = require("./model/stats-model");
+
+let mongoServer;
+let app;
+let stats;
+
+const username = "testusername";
+const responseExample = {
+  username: username,
+  gamemode: "exampleGamemode",
+  nGamesPlayed: 10,
+  avgPoints: 75.5,
+  totalPoints: 755,
+  totalCorrectQuestions: 150,
+  totalIncorrectQuestions: 50,
+  ratioCorrect: 0.75,
+  avgTime: 45
+}
+
+async function addStat(responseExample) {
+  const newStat = new Stats(responseExample);
+
+  await newStat.save();
+}
+
+beforeAll(async () => {
+  mongoServer = await MongoMemoryServer.create();
+  const mongoUri = mongoServer.getUri();
+  process.env.MONGODB_STATS_URI = mongoUri;
+  app = require("./stats-service");
+  stats = require("./model/stats-model");
+  await addStat(responseExample);
+});
+
+afterAll(async () => {
+  app.close();
+  await mongoServer.stop();
+});
+
+describe("Stats Service", () => {
+  it("should save stats successfully", async () => {
+    const response = await request(app).post("/saveGame").send(responseExample);
+
+    expect(response.status).toBe(200);
+    expect(response.body).toEqual({
+      success: true,
+      message: "Game saved successfully",
+    });
+  });
+
+  it("should return user statistics successfully", async () => {
+    const response = await request(app).get(
+      `/stats/?user=${username}&gamemode=exampleGamemode`
+    );
+    expect(response.status).toBe(200);
+    expect(response.body).toEqual(responseExample);
+  });
+
+  it("should return status 400 for incomplete game data", async () => {
+    const response = await request(app).get(
+      `/stats/?user=${username}&gamemode=exampleGamemode`
+    );
+    expect(response.status).toBe(200);
+  });
+});
diff --git a/statsservice/statsResponseExample.json b/statsservice/statsResponseExample.json
new file mode 100644
index 00000000..b81a7210
--- /dev/null
+++ b/statsservice/statsResponseExample.json
@@ -0,0 +1,34 @@
+{
+    "username": "admin",
+    "gamemode": "clasico",
+    "gameData": {
+        "correctAnswers": 1,
+        "incorrectAnswers": 1,
+        "points": 1,
+        "avgTime": 2
+      },
+    "questions": [
+        {
+            "pregunta": "¿Cuál es la capital de Francia?",
+            "respuestas": [
+                "Madrid",
+                "Paris",
+                "Londres",
+                "Roma"
+            ],
+            "correcta": "Paris",
+            "respuesta": "Paris"
+        },
+        {
+            "pregunta": "¿Cuál es la esperanza de vida media en Filipinas?",
+            "respuestas": [
+                59.89,
+                82.5,
+                73.83,
+                71.09
+            ],
+            "correcta": 71.09,
+            "respuesta": 59.89
+        }
+    ]
+}
\ No newline at end of file