The goal of this game is to PLAY ROCK PAPER SCISSORS REALLY FAST.

Made in an hour or two for Pirate Cart V.

"Grey Aliens playing some kind of game."

Turn-based sport game for two players.
You have a team of three aliens.
On your turn, a random alien on your team is selected. You have 3+1d6 moves.
Press LEFT and RIGHT to turn and UP to move forward.
Press DOWN to switch to another random alien on your team.
Push the ball into either goal to score a point.
Score 5 points to win.

edit: forgot to mention anywhere; WASD is mapped to same as arrow keys, so you can have one player use WASD other player use arrows, or alternate on the same whatever.

A sort of strategy/tactics/tower defence/offence game. Project tentacles to spawn various deadly nodes and assimilate all living beings into yourself. Reading the instructions with F1 is highly recommended.
Largely inspired by the film 'Tetsuo The Iron Man'.

"Make a game based on the title of any talk scheduled for GDC (http://schedule.gdconf.com/)."
Several other people have already done this by now..
It's a gardening game.

a game of high strategy.