Backpack Twins is an indie puzzle platformer where players control two twins simultaneously. The core gameplay involves switching between the twins to coordinate their actions and solve environmental puzzles. Players must navigate hazards, time their movements, and utilize the twins' abilities in tandem to progress through the game.
The game combines platforming challenges with environmental puzzle-solving. It includes collectibles that require skillful execution to obtain, speedrun timers for competitive play, Steam Cloud saves, and Steam Achievements. Accessibility options such as left and right-handed gamepad layouts are also provided.