Wii Tennis
Rackets are replaced with giant clubs with spikes on them. The ball is the head of the previous losers Mii. Miis are replaced with alien marine robots. Gamespot 9/10

Wii Bowling
The pins are now enemy drug barons that you must destroy with an ancient bomb from your homeworld. Miis are replaced with alien marine robots. 1-up 10/10

Wii Fit
Skijump is replaced with the magic space warp drive which you must levitate through to reach a far way galaxy to save from alien overlords. Miis are replaced with alien marine robots.

actually they would be rape anyway.

Duck Hunt:
Rapid-fire is achieved by holding down the button. The backdrop is now a post-apocalyptic alien invasion with Nazi aliens in an alternate history timeline. Ducks are now alien ducks that explode with about 20 gallons of blood each. Some of the ducks are also naked women due to weird alien-duck-human crossbreeding experiments.

Animal Crossing:
The game is exactly the same, but you are an alien spy trying to fit in and study these "city folk." You collect and analyze their furniture to try to get a good score in their interior decorating competitions, so you can gain their trust, before you start the invasion from the inside. The game takes about 5 years and the invasion is a 5 minute movie, a high score, a congratulations, and then you start over in nightmare mode.

Carnival Games:
You and all your friends are at a carnival having a good time, when the nearby insane asylum has a power outage. The convicts escape, and led by their insane genius mastermind they take over the carnival and hold it hostage. Your friends and family are forced to play carnival games for their delight, and for survival. The winners are forced to kill and eat the losers (which is the new bonus minigame).

Wii Sports: Every round of boxing ends with a bloodbath mode, where you must punch your opponents heads off (he keeps growing more untill you time out, each head adds a few seconds but each head also takes more hits to knock off)

LOL, Wicked thread.

Cooking Mama literally, chop, dice, slice and fry Mama's brains and flesh. Then the children come over looking for Mama, etc.

Nintendogs, expansion pack gives you wild dogs, pitbulls and dog fighting capabilities.

GTA4: You play as Ryu Hayabusa, who is fighting Link on top Luigi's Purple Coins galaxy. If you win, you get to level 1-2, which is a city without bugs, Crysis like graphics and realistic physics. You have no continues.

alien marine robots? what?

Anyway Wiifit, naked yoga instructor with generous toned breasts and ass. Running, stalker edition, chase a girl till you catch her and hot coffee her.

Your in the Porno Movies, self explanatory (japanese edition is banned worldwide except in japan)

Well if hardcore is described by nakedity, violence and all the male characters having biceps the size of a truck

Mario and Sonic at the Ancient Greek Olympic Games

Dr Kawashima's Brain Washing: How Much Do You Love Hitler? (1,000,000,000 Papiermarks due to hyperinflation)

Let us MARCH TO THE NAZI DEATH CAMPS with a few simple maths problems!

Your Aryan Quotient is: Jew.

Boom Blox
Take turns in throwing axes and spears at suicide bombers before they are able to detonate themselves. Extra points for one-shot beheadings.

Raymans Cyborg Rapist Rabbits
Stop the evil Rayman and his army of cyborg rapist rabbits from violating your people and over populating your planet.