Create me a 3d vampire survivor game. The game spec is in the project root.
GPT 5.6 Sol·
Implemented NIGHTBOUND: LAST DAWN.
Main scene:res://scenes/main/main.tscn
Controls: WASD/arrows or left stick; Space/A for Blood Surge; Escape/Start to pause; F3/F8/F9/F10 debug tools.
Systems: six weapons, six passives, six evolutions, six enemy types, elite, four bosses, progression, chests, Blood Surge, menus, settings, saves, unlocks, Legacy upgrades, results, pooling/caps, and KayKit visuals.
Tests: 8 passed, 0 failed.
Smoke tests: 21-second interactive test passed without runtime errors; 90-second automated simulation completed; accelerated integration reached all bosses and victory.
Simplifications: condensed boss patterns, registry scans instead of a spatial hash, static KayKit rigs, and no damage-number popups or audio.