Play Altered Space: A 3-D Alien Adventure emulator game online in the highest quality available. Altered Space: A 3-D Alien Adventure is a Gameboy game that you can enjoy on Play Emulator. This GB game is the US English version that works in all modern web browsers without downloading. Altered Space: A 3-D Alien Adventure is part of the Puzzle Games and Alien Games you can play here. PlayEmulator has many online retro games available including related games like Altered Beast Classic, Alien vs Predator, and Alien vs. Predator.