Vault

Genghis Khan (NES)

Design clock 1987; Famicom port 1989-04-20. The title that introduces cheap round simulation to the family.

Links: system → NES · toolchain → KOEI tools · thesis → KOEI AI & combat evolution

Field	Value
Logical name	`gk-decompiler` (private) · `github.com/chrisaacson69/gk-decompiler`
Sibling path	`../gk-decompiler` (resolved via `.claude/local-paths.md`)
Scope	full bytecode decompilation + architecture docs; ROM not included
Depends on	`koei-nes` → `nes-render`

⚠️ Not cloned on this machine (2026-07-21).

Off-screen combat: strategy (2) — cheap round simulation. resolve_battle $947C runs a day-budget loop (−3/round) over resolve_battle_round; power sum feeds win_probability_percent.
Casualties are quadratic in the loser’s share — muldiv(swing, e², s²+e²) — so the side losing the odds bleeds disproportionately. A markedly different curve from the one-shot comparisons on either side of it in the lineage.
Sits between two one-shot titles on the design clock, which is the core evidence that KOEI’s off-screen model alternates rather than climbs.