diff --git a/Resources/Prototypes/_SSS/markers.yml b/Resources/Prototypes/_SSS/markers.yml
new file mode 100644
index 0000000000..5dee74ffa9
--- /dev/null
+++ b/Resources/Prototypes/_SSS/markers.yml
@@ -0,0 +1,107 @@
+- type: entity
+  id: SSSGridMarker
+  name: Grid marker
+  parent: MarkerBase
+  suffix: SSS
+  components:
+  - type: SuspicionGridMarker
+  - type: Sprite
+    layers:
+    - state: red
+    - sprite: Objects/Fun/toys.rsi
+      state: plushie_rouny
+
+- type: entity
+  name: Invisible Chasm
+  id: FloorChasmEntityInvisible
+  parent: MarkerBase
+  placement:
+    mode: SnapgridCenter
+    snap:
+    - Wall
+  components:
+  - type: Sprite
+    layers:
+      - sprite: _SSS/markers.rsi
+        state: chasm
+        shader: unshaded
+  - type: Chasm
+  - type: StepTrigger
+    requiredTriggeredSpeed: 0
+    intersectRatio: 0.4
+  - type: Transform
+    anchored: true
+  - type: Clickable
+  - type: Physics
+    bodyType: Static
+  - type: Fixtures
+    fixtures:
+      fix1:
+        shape:
+          !type:PhysShapeAabb
+          bounds: "-0.5,-0.5,0.5,0.5"
+        layer:
+        - WallLayer
+        mask:
+        - ItemMask
+        density: 1000
+        hard: false
+  - type: Tag
+    tags:
+    - HideContextMenu
+
+- type: entity
+  name: Invisible Chasm
+  suffix: Corner
+  id: FloorChasmEntityInvisibleCorner
+  parent: FloorChasmEntityInvisible
+  placement:
+    mode: SnapgridCenter
+    snap:
+    - Wall
+  components:
+  - type: Sprite
+    layers:
+      - sprite: _SSS/markers.rsi
+        state: chasm_corner
+        shader: unshaded
+  - type: Fixtures
+    fixtures:
+      fix1:
+        shape:
+          !type:PhysShapeAabb
+          bounds: "-0.5,-0.35,0.35,0.5"
+        layer:
+        - WallLayer
+        mask:
+        - ItemMask
+        density: 1000
+        hard: false
+
+- type: entity
+  name: Invisible Chasm
+  suffix: Side
+  id: FloorChasmEntityInvisibleSide
+  parent: FloorChasmEntityInvisible
+  placement:
+    mode: SnapgridCenter
+    snap:
+    - Wall
+  components:
+  - type: Sprite
+    layers:
+      - sprite: _SSS/markers.rsi
+        state: chasm_side
+        shader: unshaded
+  - type: Fixtures
+    fixtures:
+      fix1:
+        shape:
+          !type:PhysShapeAabb
+          bounds: "-0.5,-0.35,0.5,0.5"
+        layer:
+        - WallLayer
+        mask:
+        - ItemMask
+        density: 1000
+        hard: false
diff --git a/Resources/Prototypes/_SSS/suspicion_grid_marker.yml b/Resources/Prototypes/_SSS/suspicion_grid_marker.yml
deleted file mode 100644
index c6a0862f86..0000000000
--- a/Resources/Prototypes/_SSS/suspicion_grid_marker.yml
+++ /dev/null
@@ -1,12 +0,0 @@
-- type: entity
-  id: SSSGridMarker
-  name: Grid marker
-  parent: MarkerBase
-  suffix: SSS
-  components:
-  - type: SuspicionGridMarker
-  - type: Sprite
-    layers:
-    - state: red
-    - sprite: Objects/Fun/toys.rsi
-      state: plushie_rouny
diff --git a/Resources/Textures/_SSS/markers.rsi/chasm.png b/Resources/Textures/_SSS/markers.rsi/chasm.png
new file mode 100644
index 0000000000..7a6620aba1
Binary files /dev/null and b/Resources/Textures/_SSS/markers.rsi/chasm.png differ
diff --git a/Resources/Textures/_SSS/markers.rsi/chasm_corner.png b/Resources/Textures/_SSS/markers.rsi/chasm_corner.png
new file mode 100644
index 0000000000..58bbf26fbf
Binary files /dev/null and b/Resources/Textures/_SSS/markers.rsi/chasm_corner.png differ
diff --git a/Resources/Textures/_SSS/markers.rsi/chasm_side.png b/Resources/Textures/_SSS/markers.rsi/chasm_side.png
new file mode 100644
index 0000000000..81ac5cf31c
Binary files /dev/null and b/Resources/Textures/_SSS/markers.rsi/chasm_side.png differ
diff --git a/Resources/Textures/_SSS/markers.rsi/meta.json b/Resources/Textures/_SSS/markers.rsi/meta.json
new file mode 100644
index 0000000000..eb328f6505
--- /dev/null
+++ b/Resources/Textures/_SSS/markers.rsi/meta.json
@@ -0,0 +1,20 @@
+{
+  "version": 1,
+  "license": "CC-BY-SA-3.0",
+  "copyright": "Space Wizards Federation, modified by Durk for SSS",
+  "size": {
+    "x": 32,
+    "y": 32
+  },
+  "states": [
+    {
+      "name": "chasm"
+    },
+    {
+      "name": "chasm_side"
+    },
+    {
+      "name": "chasm_corner"
+    }
+  ]
+}