The Frog is a game for the Commodore 16 made by Jens Engel. The game is written in machine code and can be used on a C16 or a Plus/4. You can also use a level editor to make your own levels in the game.
Download: the_frog.zip
16k version: the_frog_16k.prg
Website: http://plus4world.powweb.com