Spider King is a free game available for iPhone users, developed by Supersonic Studios LTD. The game is set in a world where you play as a spider, and your mission is to kill all the enemies and rescue your friend. The game's controls are simple yet addictive. You tap to shoot webs and hold and swipe to throw enemies away.

The game has several levels, each with its unique challenges. As you progress through the levels, the enemies become harder to defeat, and the challenges become more complex. The graphics and sound effects are impressive, making the game even more enjoyable. Overall, Spider King is a fun and engaging game that is perfect for anyone looking for a new game to play on their iPhone.