Mr. Do!'s Castle [Model 9420]
Emulated in MAME !
[CONSOLE] Atari 5200 Game
Mr. Do!'s Castle © 1984 Parker Bros.
To keep MR. DO! safe and moving to the next scene in his castle. To do this, help him eliminate as many unicorns as possible by either whacking them directly on the head with his hammer, or by hammering out floor blocks from above so they land directly on top of the unicorns.