diff --git a/data/manifest.yaml b/data/manifest.yaml
index 4acc6324..5af2c72a 100644
--- a/data/manifest.yaml
+++ b/data/manifest.yaml
@@ -311244,6 +311244,20 @@ Melancholy Republic:
             store: steam
   steam:
     id: 436240
+Melatonin:
+  installDir:
+    Melatonin: {}
+  launch:
+    <base>/Melatonin.app:
+      - when:
+          - os: mac
+            store: steam
+    <base>/Melatonin.exe:
+      - when:
+          - os: windows
+            store: steam
+  steam:
+    id: 1585220
 Melbits World:
   installDir:
     Melbits™ World: {}
@@ -489778,6 +489792,8 @@ Symphony of Stars:
   steam:
     id: 973310
 'Symphony of War: The Nephilim Saga':
+  gog:
+    id: 1081193936
   installDir:
     SoW1 Project: {}
   launch:
diff --git a/data/missing.md b/data/missing.md
index b2aa7ca1..06b22c33 100644
--- a/data/missing.md
+++ b/data/missing.md
@@ -19312,6 +19312,7 @@
 * [Mekabolt](https://www.pcgamingwiki.com/wiki/?curid=141019)
 * [Mekside VR](https://www.pcgamingwiki.com/wiki/?curid=60067)
 * [Melancholy Republic](https://www.pcgamingwiki.com/wiki/?curid=39490)
+* [Melatonin](https://www.pcgamingwiki.com/wiki/?curid=183902)
 * [Melbits World](https://www.pcgamingwiki.com/wiki/?curid=154721)
 * [Meld](https://www.pcgamingwiki.com/wiki/?curid=43091)
 * [Melee](https://www.pcgamingwiki.com/wiki/?curid=125581)
diff --git a/data/steam-game-cache.yaml b/data/steam-game-cache.yaml
index 07c3800f..e4a7fe76 100644
--- a/data/steam-game-cache.yaml
+++ b/data/steam-game-cache.yaml
@@ -87417,6 +87417,17 @@
     - arguments: '-game EntropyZero2'
       executable: hl2.exe
       type: none
+'1585220':
+  installDir: Melatonin
+  launch:
+    - config:
+        oslist: windows
+      executable: Melatonin.exe
+      type: default
+    - config:
+        oslist: macos
+      executable: Melatonin.app
+      type: default
 '1585330':
   installDir: Survival Z
   launch:
diff --git a/data/wiki-game-cache.yaml b/data/wiki-game-cache.yaml
index 1461365e..f97d14ba 100644
--- a/data/wiki-game-cache.yaml
+++ b/data/wiki-game-cache.yaml
@@ -94151,6 +94151,9 @@ Mekside VR:
 Melancholy Republic:
   pageId: 39490
   steam: 436240
+Melatonin:
+  pageId: 183902
+  steam: 1585220
 Melbits World:
   pageId: 154721
   steam: 1202820
@@ -148293,6 +148296,7 @@ Symphony of Stars:
   pageId: 125833
   steam: 973310
 'Symphony of War: The Nephilim Saga':
+  gog: 1081193936
   pageId: 178226
   steam: 1488200
 Symphony of the Machine: