Alien Storm, a 1991 Sega Master System game, is a side-scrolling action game where players control one of two protagonists, fighting through hordes of enemies in various alien environments. The game is known for its intense gameplay, colorful graphics, and memorable soundtrack, though its difficulty can be challenging for some players. Its European release differed slightly from potential other regional versions.  Developed by Sega and released by Sega, it was part of Sega's diverse arcade-style releases for the Master System.

Alien Storm (Europe)

Alex Kidd no Miracle World (Japan)