09 · playtest evidence
A player circled one tile. It changed the AI program.
Why readable game records and public tactical receipts became research infrastructure.
OverGrid / AI Field Notes
Two ways to read the board.
Choose a behind-the-scenes account of the game AI, or a player-facing strategy story drawn from the same concrete problems.
2 notes for Game records.
Behind the AI
For game makers: engineering, evaluation, tooling, and failed experiments.
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12 · game records
We did not want a replay button. We wanted a game record.
Why OverGrid introduced OGN beside verified replays—and what each format is designed to make possible.