Another World (Out of This World in the US) combines shooting, platforming, and puzzle-solving elements. The game is divided into stages; some of them are straightforward and can only be accessed one time, while others are connected to each other, constituting a larger environment. Exploration and problem-solving are emphasized. Many levels include challenges not seen in the previous ones. Tasks may involve environmental puzzles, timed sequences, precise jumping, and combat.
Typically, enemies are defeated by using an energy gun found in an early stage. The gun's regular function is shooting energy projectiles. By pressing down and holding the fire button the player can activate an energy shield which protects Lester from regular attacks, allowing him to fire from relative safety until it evaporates. Finally, by holding the fire button even longer the player creates powerful bombs which can disrupt shields. Most enemies are equipped with similar guns and are able to perform the same actions as Lester. Fighting enemies therefore requires tactical usage of regular attacks, shields, and bombs, as well as learning enemy patterns.