Altered Space: A 3D Alien Adventure is a 1991 Game Boy title where players control an astronaut stranded on an alien spacecraft. The objective is to navigate through various levels while evading hostile aliens and managing dwindling oxygen supplies. Notably, it is recognized as the first isometric game on the Game Boy platform.
The player is an astronaut trapped on an alien spaceship who has to try to find his way out while avoiding aliens and continually replenishing his oxygen supply. This was the first isometric view game on the Game Boy