Platform Atari 400 / 800 / XL / XE Game Name Timeslip Description NTSC - Overall score (Skill level = Normal) Score Type Points Int Rules This is the 1986 original version released by English Software (alternatively, player may use the Byte Back re-release). The overall score is displayed in the top left corner of the screen. Timeslip has three selectable difficulty levels (Novice, Normal, and Expert).