Coverage initially included Atari ST, Amiga, C64, ZX Spectrum and Amstrad CPC, but also included newer machines as they were released. Although games features were the mainstay, other articles on graphics and computer music were featured. A cover cassette, and later a floppy disk, was included with the magazine featuring games demos. Regular editorial features included Interface; News, Letters, The Blitter End. The Specials; features and Gameplay; Screen Test, Arcades, Tricks 'n' Tactics, Adventures.

Screen Test was the games review section. Games were rated (out of ten) on Visual effects, Audio, IQ Factor, Fun Factor and an overall rating. Games were seen by all the reviewers and the overall rating, and was notable for scoring games out of 1000 rather than the usual percentage or mark out of ten. Also introduced was the Predicted Interest Curve graph where the game was given a line graph predicting the long term interest in the game over many months.

The first issue of ACE was October 1987, and the final issue was April of 1992.