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Space Attack is an arcade game released by Sega for Sega VIC Dual hardware in 1979. In the US it is thought to have been renamed Super Space Attack - whether there are in fact two separate games is currently unknown, but the two are extremely similar and "Super" is often dropped in internal Super Space Attack documents.
Space Attack is a Space Invaders clone and is almost identical to Taito's classic. It is in fact completely identical to another VIC Dual Space Invaders clone, Alpha Fighter, sharing full colour graphics and a "bonus" round. Space Attack has a different set of graphics, however.