Update app.py

app.py

@@ -1,13 +1,10 @@
 """
-Text-to-Game Generator - Google AI Studio Edition (Truly Free)
-- Code  : Gemini 2.5 Flash via Google AI Studio (1,500 req/day free, no credit card)
+Text-to-Game Generator - Groq Edition (Truly Free)
+- Code  : llama-3.1-8b-instant via Groq API (free, no credit card)
 - Images: canvas-drawn graphics only (zero API, zero quota, zero cost)
 
 No GPU needed. No compilation. No HF quota. No credit card.
-Just a Google account and 2 minutes to get a free API key.
-
-Setup: go to ai.google.dev, sign in with Google, click Get API key.
-Then add it as a Space secret named GOOGLE_API_KEY.
+Setup: add GROQ_API_KEY as a Space secret.
 """
 
 import os
@@ -22,26 +19,26 @@ from openai import OpenAI
 # Google AI Studio client (OpenAI-compatible endpoint)
 # ---------------------------------------------------------------------------
 
-CODE_MODEL     = "gemini-2.5-flash-preview-05-20"
-GOOGLE_API_KEY = os.environ.get("GOOGLE_API_KEY", "")
+CODE_MODEL    = "llama-3.1-8b-instant"
+GROQ_API_KEY  = os.environ.get("GROQ_API_KEY", "")
 
 
 def _check_key():
-    if not GOOGLE_API_KEY:
+    if not GROQ_API_KEY:
         raise ValueError(
-            "GOOGLE_API_KEY is not set.\n"
-            "1. Go to ai.google.dev\n"
-            "2. Sign in with any Google account\n"
-            "3. Click Get API key (free, no credit card, takes 2 minutes)\n"
-            "4. Add it as a Space secret: Settings > Variables and secrets > Name: GOOGLE_API_KEY"
+            "GROQ_API_KEY is not set.\n"
+            "1. Go to console.groq.com and sign in\n"
+            "2. Click API Keys > Create API Key\n"
+            "3. Copy the key (starts with gsk_)\n"
+            "4. Add it as a Space secret: Settings > Variables and secrets > Name: GROQ_API_KEY"
         )
 
 
 def get_client():
     _check_key()
     return OpenAI(
-        base_url="https://generativelanguage.googleapis.com/v1beta/openai/",
-        api_key=GOOGLE_API_KEY,
+        base_url="https://api.groq.com/openai/v1",
+        api_key=GROQ_API_KEY,
     )
 
 
@@ -191,9 +188,9 @@ def generate_game_code(game_type: str, theme: str, temperature: float, max_new_t
         traceback.print_exc()
         err = str(exc)
         if "401" in err or "api_key" in err.lower():
-            err = "Invalid GOOGLE_API_KEY. Check your key at ai.google.dev."
-        elif "429" in err or "rate" in err.lower() or "quota" in err.lower():
-            err = "Rate limited - wait a few seconds and try again (1,500 free requests/day)."
+            err = "Invalid GROQ_API_KEY. Check your key at console.groq.com."
+        elif "429" in err or "rate" in err.lower():
+            err = "Rate limited by Groq - wait a few seconds and try again."
         else:
             err = "Error: " + str(exc)
         return "", err, _placeholder_html(err)