It has a "moving wall" feature that was removed from the released version.
This version was typed in from screen-grabs from episode 1 of The Computer Programme, originally broadcast in 1982.
More Info here
|Title||Wall Game [pre-release] (AKA Breakout)|
|Release Type||Unreleased Game|
|Primary genre||Bat And Ball|
|Compatibility||A:✘ B:✔ Master: Untested|
Click the link below to see the canonical version of the game, plus any variants.