The iTunes App Store offers downloads of several applications for Apple iPhone and iPod touch for free, as listed below. At up to $3 off, each is at the lowest price we've seen. The deals:

• War of wool: Puzzle game (pictured)
• RoboSockets: Link Me Up: Drop-down puzzle game
• 90°: Orientation-based puzzle game
• Thunder Tank: Platforming game
• RealCover: Magazine cover creation tool
• FeelingPicture: Photo decoration tool