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

• The Incredible Machine (pictured, $2 off): Physics-based puzzler
• Amazing Breaker ($1 off): Puzzle game
• Treasure Seekers: Visions of Gold HD for iPad ($5 off): Myst-like game
• Treasure Seekers: Visions of Gold ($3 off): Myst-like game
• Nuts! ($1 off): Vertical-scrolling adventure game
• Burger Queen World ($2 off): Fast food restaurant game