diff --git a/docs/IMPLEMENTATION_PLAN.md b/docs/IMPLEMENTATION_PLAN.md
index 1cf4d8e..e4c3137 100644
--- a/docs/IMPLEMENTATION_PLAN.md
+++ b/docs/IMPLEMENTATION_PLAN.md
@@ -951,7 +951,7 @@ Web:        Store/GameState/, Components/Game/, Hubs/GameHub
 | ✓ | H1 | Foundation | GameState Fluxor + Enums | 6 |
 | ✓ | H2 | Components | Pin Input Components (neu schreiben) | 5 |
 | ✓ | H3 | Framework | Game Definition Framework | 5 |
-| ☐ | H4 | Games | Training Game | 5 |
+| ✓ | H4 | Games | Training Game | 5 |
 | ☐ | H5 | Games | Scheiss-Spiel + Trigger-Integration | 6 |
 | ☐ | H6 | UI | Game Setup Dialog | 4 |
 | ☐ | H7 | Integration | DayDetails Tabs | 3 |