The Worms series is 50 and 75 percent off this week on Steam until 10:00am PT on Friday. 17 games can be purchased in one collection for $22.49 or individually for their respective discounted prices. The Worms Collection includes Worms ($1.99), Worms: Armageddon ($7.49), Worms: Blast ($1.99), Worms: Crazy Golf ($2.49), Worms: Pinball ($1.99), Worms: Reloaded ($4.99) along with its Forts, Puzzle, Time Attack and Retro packs for $1.24 each, Worms: Revolution and its season pass for $7.49 each, Worms: Ultimate Mayhem ($3.74) and the game's single player DLC ($4.24) as well as its multiplayer pack and customization pack, each discounted to $1.49.

One game that isn't part of the pack is the latest from Team17, Worms: Clan Wars, which is $12.49 on its own. The game is free to play until 1:00pm PT on Sunday, so players that act fast can get a taste of the game before buying it at a discount. Team17 recently announced that it would publish its first third-party game in nearly two decades, a stealthy game called Light by Just a Pixel.

This article was originally published on Joystiq.