Some of the Halfbrick's most successful iOS games are free right now, but you'll have to act fast.

In the spirit of giving, Halfbrick announced today that the company's highly popular iOS titles like Fruit Ninja, Monster Dash, Age of Zombies, and Jetpack Joyride will be free at the iTunes store for the next 24 hours. The sale is already underway, so get to downloading.

Here's a complete list of the titles that are a part of the free sale, with links to their iTunes store pages:

Fruit Ninja

Fruit Ninja HD

Fruit Ninja: "***" in Boots

Fruit Ninja: "***" in Boots HD

Monster Dash

Age of Zombies

Age of Zombies: Anniversary

Blast Off

Jetpack Joyride