diff --git a/app/modules/flappybird/endpoints_flappybird.py b/app/modules/flappybird/endpoints_flappybird.py
index 074116a6e..ecaff2ab8 100644
--- a/app/modules/flappybird/endpoints_flappybird.py
+++ b/app/modules/flappybird/endpoints_flappybird.py
@@ -1,3 +1,4 @@
+import hashlib
 import uuid
 from datetime import UTC, datetime
 
@@ -14,6 +15,17 @@
 )
 from app.types.module import Module
 
+
+def genKey(score: int) -> int:
+    """Generates a key based on the score of the player."""
+    data = f"{score}"
+
+    hash_bytes = hashlib.sha256(data.encode()).digest()
+    key = int.from_bytes(hash_bytes[:4], byteorder="big")
+
+    return key
+
+
 module = Module(
     root="flappybird",
     tag="Flappy Bird",
@@ -91,6 +103,12 @@ async def create_flappybird_score(
     # And get the current date and time
     creation_time = datetime.now(UTC)
 
+    if genKey(flappybird_score.value) != flappybird_score.key:
+        raise HTTPException(
+            status_code=400,
+            detail="Invalid key for the provided score",
+        )
+
     db_flappybird_score = models_flappybird.FlappyBirdScore(
         id=score_id,
         user_id=user.id,
diff --git a/app/modules/flappybird/schemas_flappybird.py b/app/modules/flappybird/schemas_flappybird.py
index 37f752cff..f30bd18b6 100644
--- a/app/modules/flappybird/schemas_flappybird.py
+++ b/app/modules/flappybird/schemas_flappybird.py
@@ -8,6 +8,7 @@
 
 class FlappyBirdScoreBase(BaseModel):
     value: int
+    key: int
 
 
 class FlappyBirdScore(FlappyBirdScoreBase):