King.com, which focuses on skill-based games for prizes, is migrating its web-based casual games into iPhone version. Its Amazon Survival game, which is also developed into iPhone version, is a puzzle game where you should save the Amazon jungle.

Launched in August 2003, King.com website has more than 150 games which are played by 17.5 million unique visitors a month. Every month, King.com hosts more than 200 million games played.

[via GamesBeat]