Get the app
Dev2 min reading time

Moonlight & Mayhem (Raccoon Heist by Codex + GPT-5.6 Sol Ultra)

Simon Willison's Weblog
Read the full article
Codex Desktop running GPT-5.6 Sol Ultra created a more advanced version of the Raccoon Heist game originally made with Claude Fable 5, adding complex gameplay and fixing bugs through iterative prompts.
#agentic-software-development#claude-fable-5#codex-desktop#game-development#gpt-5-6-sol-ultra

More in Dev

Dev2 min read

Moonshot releases Kimi K3.1 Pro and says it cut its hacking skills

Covered by 4 sources
Dev5 min read

Microsoft Open-Sources Agensh: A Multi-Agent Harness for 1,024 Agents

MarkTechPost
Dev5 min read

Cognition Open-Sources an Agent Plugin that Helps Secure Systems against Recent Cybersecurity Threats

MarkTechPost