Here is the information regarding trainers for this game:
Unlike standard cheat codes, an Ultimate Trainer offers a graphical user interface (GUI) with toggle switches, slider bars, and hotkeys. It allows you to alter the game’s core logic without needing to mod the game files directly. resident evil revelations 2 ultimate trainer
However, none combine timer freeze with raid drop rate editing quite like the Ultimate Trainer. Here is the information regarding trainers for this