Playgama AI Game Index: Claude builds 54% of AI games, OpenAI wins players

Playgama launched the AI Game Index, a daily ranking of AI models and coding agents based on real player behavior across 4,200 AI-built games and 1.1M launches. Claude Opus 5.5 powers 54% of new builds (62% last week), but games built on OpenAI Astra and Sol earn up to 58% more likes per play.

• Claude Opus 5.5 powers 54% of new AI games, hitting 62% last week
• OpenAI Astra gets 65 likes per 1,000 plays vs 39 for Claude Opus
• Astra's share of new builds fell from 11–17% in September to 4% in October
• OpenCode leads playtime at 5 min 14 sec, DeepSeek follows at 4 min 32 sec