As apparently it's Freedom Day or something somewhere, Blizzard is celebrating with a little freedom of its own. Until Monday, all the StarCraft II custom maps Blizzard has singled out to be Featured in the Arcade will be playable by everyone who only has the demo.
Seventeen Arcade games are open in all, ranging from tower defense and spaceship battles to clones of Bomberman and ChuChu Rocket. If you don't already have the Starcraft II Starter Edition--still a damned silly name for a demo, if you ask me--hit up Blizzard to download it.
Here's a peek at those games: