Solo dev runs a Steam game on ten parallel Claude sessions, fixed fact drift with one index file

CupQualifier · reddit · 2026-10-11

A solo developer shares how he builds a Steam game across 10 parallel Claude sessions—one each for engine, Steam build, marketing, video, voice, art rigging, plus a dedicated code session—handing off via notes each session reads first. The breaking point was fact drift: one session insisted the live build was v448 for ten versions. His fix: an index file stating where each kind of fact lives (handovers point at it instead of copying), and anything figured out from scratch goes into a skill, since a doc only gets read by someone who already knows it exists.

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