diff --git a/README.md b/README.md
index 18ec7fb2..e1e53381 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,9 @@ Make sure [node.js](https://www.nodejs.org) and [python 3](https://www.python.or
 
 Additionally, `npm run compress` can be called to compress HTML, CSS and Javscript content without building binaries. The compressed HTML file `release.html` will be created in the project root. The file requires the `audio`, `font`, `svg` and `language` directories to run, as well as `favicon.ico` and `manifest.json`.
 
-Concept & promotional art by [Samma van Klaarbergen](https://www.artstation.com/samma).
+Concept art & promotional art by [Samma van Klaarbergen](https://www.artstation.com/samma).
+
+Gameplay design & playtesting by [@FayerDev](https://twitter.com/FayerDev).
 
 Logo by [@rosebolt](https://www.instagram.com/rosebolt/).
 
diff --git a/js/koi/gui/cards/requirement/cardRequirements.js b/js/koi/gui/cards/requirement/cardRequirements.js
index 6cab31b4..218a500c 100644
--- a/js/koi/gui/cards/requirement/cardRequirements.js
+++ b/js/koi/gui/cards/requirement/cardRequirements.js
@@ -190,5 +190,76 @@ const CardRequirements = [
             new LayerFootprint(LayerBase.prototype.ID, Palette.INDEX_DARKBLUE),
             new LayerFootprint(LayerSpots.prototype.ID, Palette.INDEX_GOLD)
         ]))
+    ],
+    [
+        null, null, null, null
+    ],
+    [
+        new CardRequirement(new PatternFootprint([
+            new LayerFootprint(LayerBase.prototype.ID, Palette.INDEX_TEAL)
+        ])),
+        new CardRequirement(new PatternFootprint([
+            new LayerFootprint(LayerBase.prototype.ID, Palette.INDEX_TEAL),
+            new LayerFootprint(LayerSpots.prototype.ID, Palette.INDEX_BLACK)
+        ])),
+        null,
+        null
+    ],
+    [
+        null, null, null, null
+    ],
+    [
+        new CardRequirement(new PatternFootprint([
+            new LayerFootprint(LayerBase.prototype.ID, Palette.INDEX_GREEN)
+        ])),
+        new CardRequirement(new PatternFootprint([
+            new LayerFootprint(LayerBase.prototype.ID, Palette.INDEX_GREEN),
+            new LayerFootprint(LayerStripes.prototype.ID, Palette.INDEX_ORANGE)
+        ])),
+        null,
+        null
+    ],
+    [
+        null, null, null, null
+    ],
+    [
+        new CardRequirement(new PatternFootprint([
+            new LayerFootprint(LayerBase.prototype.ID, Palette.INDEX_DARKGREEN)
+        ])),
+        new CardRequirement(new PatternFootprint([
+            new LayerFootprint(LayerBase.prototype.ID, Palette.INDEX_DARKGREEN),
+            new LayerFootprint(LayerRidge.prototype.ID, Palette.INDEX_GREEN)
+        ])),
+        null,
+        null
+    ],
+    [
+        null, null, null, null
+    ],
+    [
+        new CardRequirement(new PatternFootprint([
+            new LayerFootprint(LayerBase.prototype.ID, Palette.INDEX_BROWN),
+            new LayerFootprint(LayerStripes.prototype.ID, Palette.INDEX_LIGHTBROWN)
+        ])),
+        new CardRequirement(new PatternFootprint([
+            new LayerFootprint(LayerBase.prototype.ID, Palette.INDEX_BROWN),
+            new LayerFootprint(LayerSpots.prototype.ID, Palette.INDEX_LIGHTBROWN)
+        ])),
+        null,
+        null
+    ],
+    [
+        null, null, null, null
+    ],
+    [
+        new CardRequirement(new PatternFootprint([
+            new LayerFootprint(LayerBase.prototype.ID, Palette.INDEX_BORDEAUX)
+        ])),
+        new CardRequirement(new PatternFootprint([
+            new LayerFootprint(LayerBase.prototype.ID, Palette.INDEX_BORDEAUX),
+            new LayerFootprint(LayerRidge.prototype.ID, Palette.INDEX_RED)
+        ])),
+        null,
+        null
     ]
 ];
\ No newline at end of file