Alien Menace
Original title: River Raid
Platform: Atari 2600
Region: Update Hack
Media: Cartridge
Controller: Joystick
Gametype: Hack
Hacked by: neotokeo2001
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Aliens are afoot! It's your job to blow them to smithereens! But to do that you'll have to fly through their defenses and hit them where it hurts! This River Raid hack opens up a lot of new options in the game play and adds more targets for you to shoot at!
 
What's New:

Playfield layout and colors have been changed. "Scenery" sprites have been changed to viable targets. Sprite graphics have been changed.

http://www.atariage.com/hack_page.html?SystemID=2600&SoftwareHackID=277
