Computer games
Lux Delux
Lux Delux is a game of strategy and domination inspired by the board game Risk. Control your armies to conquer and hold strategic countries on the map. The object of the game is simple: Take over the entire world!
Lux Delux was created by Sillysoft company and can be downloaded from their site.
The game allows to plug in additional maps. Two of them with form of impossible triangle are represented below.
Tribar Assault
The Rabbit Cubes
Images were found at