You Don't Know Jack, the "irreverent party trivia game", features hundreds of hilarious questions in a fast-paced game show format, complete with cash and prizes, a wise-cracking host, and ample carpentry hardware. While released on multiple platforms last week, we're taking a look at the Steam release.

50 Comedies asks you to identify the titles of fifty movies (of the comedic variety) based on visual puns. Despite some interface issues, we found ourselves addicted to the clever puzzles and the challenge to our cinemaphile sensibilites. Good for movie buffs, trivia toughs, and fans of fun, light-hearted stuffs.

Step into another surreal world created by Amanita Design (Samorost). With eight totally separate environments, Questionaut feels like a cohesive whole. It's like stepping into a story book and becoming one of its characters. And thanks to Questionaut's powerful imagery, it feels like a living universe that continues to exist even after you've shut down your browser. Just delightful.

File this one under brain training games: Math Mountain is an addictive arithmetic game wherein you climb a mountain, competing against another person or the computer, by answering math questions correctly. If you're not very good at arithmetic, Math Mountain is a fun way to practice; if you're already good, then why not give your brain some exercise?

More than just Dis or Dat questions, the quiz show with attitude has recently gone through an upgrade to feature complete rounds similar to the You Don't Know Jack CD-ROM games. Expect strange topics, off-beat humor and tons of backtalk from our favorite narrator. Brought to you by Jellyvision.

The popular desktop quiz show game makes the leap to the Web with You Don't Know Jack online, containing all the top quality entertainment that is packaged in the CD-ROM games. Each day a new DisOrDat puzzle is featured with full narration and some really wacky topics. Brought to you by Jellyvision.

No Brainer is a fast-paced quiz game that asks what seems to be a never-ending string of questions, all of of which require a simple yes or no answer. It's a fun and hilarious game that is sure to put a smile on your face, and even more fun when playing with some friends.