diff --git a/fission/.gitignore b/fission/.gitignore
index a138326143..a8a3e12932 100644
--- a/fission/.gitignore
+++ b/fission/.gitignore
@@ -26,3 +26,5 @@ dist-ssr
 *.njsproj
 *.sln
 *.sw?
+
+yarn.lock
diff --git a/fission/package.json b/fission/package.json
index a8849746a6..7a8692a05d 100644
--- a/fission/package.json
+++ b/fission/package.json
@@ -30,8 +30,9 @@
     "async-mutex": "^0.5.0",
     "colord": "^2.9.3",
     "framer-motion": "^10.13.1",
-    "playwright": "^1.45.0",
     "lygia": "^1.1.3",
+    "playwright": "^1.45.0",
+    "postprocessing": "^6.35.6",
     "react": "^18.2.0",
     "react-colorful": "^5.6.1",
     "react-dom": "^18.2.0",
diff --git a/fission/src/Synthesis.tsx b/fission/src/Synthesis.tsx
index 63735ea04e..9edd6954a1 100644
--- a/fission/src/Synthesis.tsx
+++ b/fission/src/Synthesis.tsx
@@ -75,7 +75,7 @@ function Synthesis() {
     const { openPanel, closePanel, closeAllPanels, getActivePanelElements } = usePanelManager(initialPanels)
     const { showTooltip } = useTooltipManager()
 
-    const { currentTheme, applyTheme } = useTheme()
+    const { currentTheme, applyTheme, defaultTheme } = useTheme()
 
     useEffect(() => {
         applyTheme(currentTheme)
@@ -128,6 +128,9 @@ function Synthesis() {
             World.UpdateWorld()
         }
         mainLoop()
+
+        World.SceneRenderer.updateSkyboxColors(defaultTheme)
+
         // Cleanup
         return () => {
             // TODO: Teardown literally everything
diff --git a/fission/src/mirabuf/MirabufSceneObject.ts b/fission/src/mirabuf/MirabufSceneObject.ts
index 26f99ea126..be6ae81225 100644
--- a/fission/src/mirabuf/MirabufSceneObject.ts
+++ b/fission/src/mirabuf/MirabufSceneObject.ts
@@ -13,7 +13,7 @@ import SynthesisBrain from "@/systems/simulation/synthesis_brain/SynthesisBrain"
 import InputSystem from "@/systems/input/InputSystem"
 import TransformGizmos from "@/ui/components/TransformGizmos"
 
-const DEBUG_BODIES = true
+const DEBUG_BODIES = false
 
 interface RnDebugMeshes {
     colliderMesh: THREE.Mesh
diff --git a/fission/src/systems/scene/SceneRenderer.ts b/fission/src/systems/scene/SceneRenderer.ts
index 644403e7f6..efc9c925e1 100644
--- a/fission/src/systems/scene/SceneRenderer.ts
+++ b/fission/src/systems/scene/SceneRenderer.ts
@@ -3,6 +3,7 @@ import { TransformControls } from "three/examples/jsm/controls/TransformControls
 import SceneObject from "@/systems/scene/SceneObject"
 import WorldSystem from "@/systems/WorldSystem"
 import { OrbitControls } from "three/examples/jsm/controls/OrbitControls.js"
+import { EdgeDetectionMode, EffectComposer, EffectPass, RenderPass, SMAAEffect } from "postprocessing"
 
 import vertexShader from "@/shaders/vertex.glsl"
 import fragmentShader from "@/shaders/fragment.glsl"
@@ -10,7 +11,7 @@ import { Theme } from "@/ui/ThemeContext"
 import InputSystem from "../input/InputSystem"
 
 const CLEAR_COLOR = 0x121212
-const GROUND_COLOR = 0x73937e
+const GROUND_COLOR = 0x4066c7
 
 let nextSceneObjectId = 1
 
@@ -19,6 +20,9 @@ class SceneRenderer extends WorldSystem {
     private _scene: THREE.Scene
     private _renderer: THREE.WebGLRenderer
     private _skybox: THREE.Mesh
+    private _composer: EffectComposer
+
+    private _antiAliasPass: EffectPass
 
     private _sceneObjects: Map<number, SceneObject>
 
@@ -52,7 +56,13 @@ class SceneRenderer extends WorldSystem {
 
         this._scene = new THREE.Scene()
 
-        this._renderer = new THREE.WebGLRenderer()
+        this._renderer = new THREE.WebGLRenderer({
+            // Following parameters are used to optimize post-processing
+            powerPreference: "high-performance",
+            antialias: false,
+            stencil: false,
+            depth: false,
+        })
         this._renderer.setClearColor(CLEAR_COLOR)
         this._renderer.setPixelRatio(window.devicePixelRatio)
         this._renderer.shadowMap.enabled = true
@@ -98,11 +108,20 @@ class SceneRenderer extends WorldSystem {
                 bColor: { value: 1.0 },
             },
         })
+
         this._skybox = new THREE.Mesh(geometry, material)
         this._skybox.receiveShadow = false
         this._skybox.castShadow = false
         this.scene.add(this._skybox)
 
+        // POST PROCESSING: https://github.com/pmndrs/postprocessing
+        this._composer = new EffectComposer(this._renderer)
+        this._composer.addPass(new RenderPass(this._scene, this._mainCamera))
+
+        const antiAliasEffect = new SMAAEffect({ edgeDetectionMode: EdgeDetectionMode.COLOR })
+        this._antiAliasPass = new EffectPass(this._mainCamera, antiAliasEffect)
+        this._composer.addPass(this._antiAliasPass)
+
         // Orbit controls
         this._orbitControls = new OrbitControls(this._mainCamera, this._renderer.domElement)
         this._orbitControls.update()
@@ -115,12 +134,11 @@ class SceneRenderer extends WorldSystem {
         this._mainCamera.updateProjectionMatrix()
     }
 
-    public Update(_: number): void {
+    public Update(deltaT: number): void {
         this._sceneObjects.forEach(obj => {
             obj.Update()
         })
 
-        // controls.update(deltaTime); // TODO: Add controls?
         this._skybox.position.copy(this._mainCamera.position)
 
         const mainCameraFovRadians = (Math.PI * (this._mainCamera.fov * 0.5)) / 180
@@ -132,7 +150,7 @@ class SceneRenderer extends WorldSystem {
             )
         })
 
-        this._renderer.render(this._scene, this._mainCamera)
+        this._composer.render(deltaT)
     }
 
     public Destroy(): void {