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Lessons from building a SIMA2 style agent in Roblox

Lessons from building a SIMA2 style agent in Roblox

by ymaws·May 20, 2026·2 points·0 comments

AI Analysis

●●SolidBig BrainNiche Gem

Reverse-engineering DeepMind's SIMA2 with a budget Gemini stack.

Strengths
  • Dual-loop architecture separates fast reflex actions from slow strategic reasoning.
  • Video overlay debugging visualizes the agent's internal plan versus actual keys.
Weaknesses
  • Agent struggles with basic collision avoidance despite complex reasoning loops.
  • Specific to Roblox API constraints, limiting direct applicability to other engines.
Category
Target Audience

AI researchers, game developers, agent infrastructure engineers

Similar To

Google DeepMind SIMA · Voyager

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AI/ML●●●Banger

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