That no good Donkey Kong is up to his old tricks (wasn't he a good guy for awhile? I guess he got sick of it and turned heel again). At any rate, the big ape has gone and stolen a bunch of Mario toy robots. As robots go, Mario robots are none too bright. They just sort of walk in a straight line. Doesn't matter if there's a pit, falling spikes, etc. Your job is to keep them safe!