[1][2] The company specialised in the development and publishing of games for the ZX Spectrum home computer.

With over 40 titles published,[3] its most successful including the platform game Towdie and puzzle games Atomix and Hexagonia – Atomix 2.

Ultrasoft also acted as an exclusive distributor within the territory of Czechoslovakia for Domark and Ocean Software[4] game software houses based in the UK.

Apart from computer games, the company also published a dozen or so non-game titles, mostly for learning foreign languages, as well as text, image, sound and music editors.

Between 1991 and 1994 Ultrasoft also published a specialised monthly magazine, Bit, aimed at owners of home computers and dealing with computer games in particular.