Like other publishing houses, PopCap has discounted their will discount their iOS games this weekend in order to raise money for Japan Earthquake relief. Here are the titles:

Bejeweled
Bookworm
Chuzzle
Peggle
Plants vs. Zombies
Escape Rosecliff Island

That last one, Escape Rosecliff Island, might not be on sale. The deals start Saturday. [Kotaku]