The player progresses through the game by finding items and clues which, when used in the appropriate locations, allow access to new areas. The key difference to Resident Evil is that Galerians does not employ gun-based combat, but instead features the use of psychic powers, which make it difficult to fight more than one enemy at a time.
This passage describes how players navigate a game by using items and clues to unlock new areas. It highlights the unique feature of Galerians' gameplay compared to Resident Evil, which emphasizes psychic abilities over guns for combat.