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The space station Sigma 7 has a problem: all robots have gone havoc. Now the player has to set things right by using the central controls inside the station - but of course it is not that easy. He first have to solve three levels with different gameplay mechanics:

The first is a diagonally scrolling shooter which plays very basic: don't getting hit by the mines which come in formations of three. It is best to shoot them, however, because surviving mines may come back from the side, which is deadly. After reaching the station, the game becomes a Pac-Man variant. In a maze-like field the player needs to pick up glowing balls on the floor without being touched by the enemies. But there are two important differences: the player controls a tank, i.e. he can shoot the foes, and he doesn't have to pick up all balls. If he got enough, he can simply use the exit. However, a few balls can't be picked up and the pattern needs to be remembered,

During the last mini game the player gets presented with a panel of buttons. He bounces a ball on those buttons to recreate the pattern from before. He needs to look after a force field which follows the ball's movements - touching it results in losing a life. The buttons also flash in different colours and the bouncing only gets registered when the right colour is active. After finishing this level the game loops with faster enemies.


Sigma 7 ZX Spectrum Stage 3: Phase 3.<br>
Tiles in cyan represent "0" possibility. The other changing spectrum represents potentially "1".
Sigma 7 ZX Spectrum Stage 3: Phase 3.<br>
Notice that the 6th sphere, the one the player controls (one is out of view), is returning to the orbiting of the puzzle. This means the combination was properly inserted.
Sigma 7 ZX Spectrum Stage 4: Phase 1.<br>
The armadas are increasingly getting more unpredictable.
Sigma 7 ZX Spectrum Stage 3: Phase 1.<br>

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Alternate Titles

  • "Sigma Seven" -- In-game title

User Reviews

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Critic Reviews

Your Sinclair ZX Spectrum Nov, 1989 75 out of 100 75
Zzap! Commodore 64 Feb, 1987 70 out of 100 70
ASM (Aktueller Software Markt) Commodore 64 Jan, 1987 7.8 out of 12 65
Commodore User Commodore 64 Jan, 1987 6 out of 10 60
Computer and Video Games (CVG) Commodore 64 Nov, 1989 55 out of 100 55
Computer and Video Games (CVG) ZX Spectrum Nov, 1989 51 out of 100 51
Computer and Video Games (CVG) Amstrad CPC Jul, 1987 5 out of 10 50
Computer and Video Games (CVG) Amstrad CPC Nov, 1989 49 out of 100 49
Happy Computer Commodore 64 1987 45 out of 100 45
Computer Gamer Amstrad CPC May, 1987 30 out of 100 30


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Contributed to by Patrick Bregger (265753)