How about a game of tennis. Can get frustrating until you get the timing right.
Snowboard down the hill doing tricks and trying not to biff it in the snow. Land the tricks or crash
Take aim to line up your shot, then release at just the right time to make the hoop.
BMX around on jumps in free run mode or try a little competition.
Snowboard down the kill grabing tokens and gaining points. Watch out for logs and other items.
Surf the waves and do the best tricks you can without wiping out.
Move your team so they don't get hit by the enemy balls, then throw your own at them.
Play a fun game of soccer with robots against humans. Some of the better auto player switching.
Click the button to decide where the soccer ball will get kicked and then how much power.
Click the button at the right time to swing and hit the ball. Some funny / somewhat adult commentary