Cat & Rat is a single-player roguelike game in which players manage and upgrade an army, making strategic decisions to strengthen their forces and influence the outcome of battles. In this game, the storyline revolves around a conflict where players lead a military force through various challenges, with choices impacting the narrative's direction and ending. It stands out with its combination of strategic army management, deckbuilding elements, and roguelike mechanics, offering a mix of tactical combat, resource management, and replayability across different playthroughs.