Big Fish Games has this great coupon for new customers. Makes any game on their site $4.99 unless it’s a collectors edition.
The site is pretty legit. There’s a downloader program and it’s pretty simple to use. They’ve got a ton of casual games on their site.
Coupon code is: NEW50
Some recommendations:
– World of Goo
– Plants vs. Zombies
– Bejeweled 2 Deluxe