Atari 2600 ROM (.bin file) for PC emulation or writable cartridge play.
You'll need an Atari 2600 emulator or a writable cartridge to play on real hardware.
Shoot your way through the Alien shifting shields to give yourself a clean shot at the attacking Alien Queens!
Get Shield Shifter v1.4 ROM
Get modified ROM for Atari Flashback Portable
Also included on Atari Flashback 5, 6, 7 and the Flashback Portable.
Single Player: Press fire on Player 1 joystick from the title screen. Two Player: Press fire on Player 2 joystick.
Player 1 Objective:
Player 2 Objective (Two-Player Mode):