This teeny-tiny article needs some work. You can help us by expanding it.
Wally wo Sagase! (ウォーリーをさがせ！) is a 1992 arcade game by Sega for the Sega System 18 tying into the Where's Wally? (Where's Waldo? in the US) media franchise. It is only known to have been released in Japan, however most people use the translated name Where's Wally!; whether or not there was an overseas release is unknown.
You use a trackball to find Wally in a number of different ways (catching him in an animation, finding him in a door, finding him with only a small portion of the screen visible at a time, etc.).