Basically just Space Invaders with a new logo and no extra frills. Some slight differences like more frequent and erratic UFOs. Nobody knows who produced this game, a sequel was made in Japan only by Banpresto, but the original creator is lost to time.

Part of the Gotta Run Em All Arcade series - Game #668

Start (Player Appears) - 00:07

End Stage 2 (Last Alien Killed) - 03:14

Total Stage 2 - 3:07