(especially on Steam Deck) can resolve many "random" crashes during cutscenes.
If you are still experiencing issues like 999 not launching or black screens during cutscenes, the crackfix may not be the only thing you need: Zero Escape The Nonary Games Crackfix-CODEX
When CODEX first released The Nonary Games , users immediately reported a critical bug. During the "Novel" (text-heavy) sections of 999 , the game would hard-lock or crash to desktop. Worse, Virtue’s Last Reward suffered from save-corruption fears and audio issues during the escape sequences. (especially on Steam Deck) can resolve many "random"