game controls are 5 (turn left), 7 (forward) and 8 (turn right). I managed to find 3D Monster Maze bundled with vb81 , a ZX81 emulator . Unfortunately, I couldn't install vb81 on my ASUS U30Jc-b1 running 64-bit Windows 7 so I then turned to my ASUS 1005HA netbook running Linux,