Invaders

Year of release: 1982
Publisher: Artic Computing Ltd (UK)
Producer/Author(s): William Wray

Listed on: WorldOfSpectrum , Wikipedia

Controls:
Fire - SPACE
Left - CAPS SHIFT
Right - Z
Abandon Game - A
Stop Game - S

The Planet Earth once more is being invaded by Alien Forces. You must fight to the death to protect your threatened planet.

There are 9 difficulty levels which you select by pressing 'left' or 'right' buttons, then press 'fire' to select.

There are then 4 game options:
1 - Ordinary Invaders;
2 - Bombs from various angles;
3 - Mutant Invaders;
4 - Combination of 2 and 3.

You select these the same way as difficulty level. You then select 1 or 2 player game. You are now ready to play!