A hack for the game Paradroid (1985):
(watch in full-screen)
This game is set on a spaceship with 20 decks. There is an off-screen with a full deck, somewhere in the RAM, but only a small part of it is visible on the display while playing. ICU64 reads directly from the off-screen and visualizes it whole in a custom display.
This case wasn't so trivial as was the 'Boulder Dash':
(read more on this and other future applications at lemon64)
Paradroid uses sprites (in a swap mechanism) and splits the screen using raster effects. But it's done now, proving that any game can be hacked like this.
(During this hack several missing features from ICU64 were pointed out and they are on their way now)