You have to go back to 1991 to when Alien Breed was first launched, but now it has been remade by the developers Team 17 so that the owners of iOS powered devices will be able to experience what proper gaming used to be like as they can choose to play in Amiga graphics mode!
Here are the main features for the Alien Breed game for iOS;
Classic Mode – Play using the original graphics, music and controls.
Enhanced Mode – Featuring enhanced graphics, audio and controls.
4 New Levels – entirely new levels that intersect with the original Alien Breed story
6 original Alien Breed levels
12 Alien Breed Special Edition levels
Game Center leaderboards and achievements
Gametel and iCade support
This classic game is available to download from iTunes now at $4.99 and 2.99
Source [Into Mobile]