Niki - Rock 'n' Ball (Bplus, 1-2 players, 500 Wii Points): We're actually not going to try to explain this jam to you. Instead, we've put a trailer after the jump. Watch it, and know that your guess is absolutely as good as ours.
Wonder Boy in Monster Land (Sega Master System, 1 player, 500 Wii Points): This odd little action-platformer casts you as a sword-toting, loincloth-sporting kid battling his way through, as the name would suggest, a land populated by monsters. Also, to complete the rhombus of oddness, there are some light RPG elements. God, the '80s ruled.