GTA4.

Metroid clone:
There is La Mulana and Cave Story coming up, how about you make a sort of similar, metroidesque game but in a fantasy setting to make it different from the others.

Zelda clone:
a top down zelda clone but maybe a futuristic take on it. with lasers and a space suits etc.

Balance board + Wii Motion Plus = Hoverboard jousting.

Balance board + Wii Wheel + Wii Zapper = Gas and brakes and steering, co-op racer, 2nd player shoots in 3-D on-rails-style drive-by.

Dual Wii remotes = One hand is a pistol, one hand is a flashlight, you're lost in the woods at night, and there are werewolves out there. Adds more spookiness than having a fully automatic assault rifle with a flashlight already on it, like most other shooters.

Dual Wii remotes = rocketbelt from Pilotwings 64, OR Pod Racing style rocket racing game. Each hand controls a jet.

I haven't finished this idea yet, but something involving shooting different types of food, like burritos and pizza, into outer space, possibly to shoot down spaceships. I'm not sure if the character needs a good motive or not. But this game revolves around the physics of burritos exploding when they hit things in outer space, and then beans floating around without gravity. Maybe aliens are invading and their only weakness is food, and you work at a restaurant with a food cannon?

I'd be fine with 1% or so of the profits after all the costs are accounted for.

Since someone already brought up Malstrom, I recall he once proposed a Gauntlet-esque game with Motion+. One player is the swordsman, someone else is the archer, etc. Rounding up the group with a wizard (i.e. what we want Harry Potter games to control like) and one last class (Spearman? Javelineer?) would make for some tiring, yet incredibly frantic fun. I don't how practical that would be, though, especially with the memory cap.

On further thought, I vote for Rubang's ideas.

All of them.

Holy shit.  These two ideas are just fucking awesome.

I'd like a Risk-like game. No need for dice, just have it turn based. Include four or five types of warfare options...maybe set it in the Mongol era so you can have cavalry (horsey-archers), biological warfare (launch plague-infected bodies into cities with a catapault like the Mongols did), spies (try to sabotage strong enemies), technology options (i.e. fireworks/cannon/navy building), and say public works options (tax/farm/build bridges) to make the others possible.

Yeah, I understand that much. The RPG idea sounds great, as people enjoyed games like Secret of Mana alone (more people is even better). I'm not so sure about split-screen though (for the Zelda idea), I'd avoid it if you can help it.

Cool how a few people agree with me on the co-op thing (Gauntlet, Secret of Mana), it really is an underserved genre though.

As for controls, I'd enjoy anything, as long as it feels natural. I'd think the Gauntlet-like co-op game would be done best with mainly traditional controls (possibly with some motion here and there, like NSMBWii).

Rubang's ideas sound great, though most sound a bit intensive for a WiiWare game. I'd seriously love a game with some dual Wii-mote action, though.

A survival horror game would be awesome. Lit was cool, but it was just puzzles, a survival adventure would be a definate must buy

I think either 2-D top-down co-op or 2-D sidescrolling platformer co-op are great and sadly under-represented genres, and would be great for WiiWare.

I like either idea, making a Zelda meets Gauntlet, or making a Muramasa meets Contra.