Panic! (known as Switch! in Japan) is a point-and-click video game for the Sega CD. A computer virus has affected all machinery in the world. A boy named Slap and his dog Stick are tasked with bringing the antidote to the central system. To get there, they must hit switches that will either transport them or do something random. There is no indicator of which one does what.
At one point, Stick might ingest a potion that briefly turns him large and fat.