Using cheat codes on top of corrupted or heavily modified older save files can break the game's logic. If the code fails to activate, try starting a brand new playthrough, skipping the introductory sequence, and entering the master code on a fresh day-one save file.
Before using the V033A2A cheat code, keep the following points in mind: deep vault 69 cheat code v033a2a full
Unlike many visual novels, Deep Vault 69 allows you to enable cheats in two key ways: Using cheat codes on top of corrupted or