Codex Pet ArenaA fast, colorful platform arena where animated pets collect tokens, grow, and bonk rivals
Codex Pet Arena is a single-player browser game where players choose an animated pet and race CPU rivals for tokens across a side-scrolling arena. As players collect glowing tokens, their pet grows in size and power, battling across rotating maps with unique physics like low gravity.
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- Models
- Strong
The creator explicitly credits GPT-5.6 Sol in the source social media post, while the showcase page lists the Codex and ImageGen families.
post says 'I built with 5.6-Sol... 5.6-Sol also edited this video, and added the audio'
- Evidence
- Strong
The page is an official OpenAI showcase and provides a direct live link to the playable game.
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- Source post
- First posted
- Published on X Jul 12, 2026
- Listed
- Added to Dropday 7h ago · model released Jul 9, 2026