Beta testing is now underway for Shmusicup (Shoot Music Up), "a hybrid of a rhythm/music game and a shoot 'em up. It is a shooter where the enemy bullet patterns are generated by any mp3 chosen from your music collection." Here's word on testing: "The Beta is now playable free at http://www.shmusicup.com. Gamers who pre-order the complete game, which will include a downloadable release version, will get instant access to the full Beta immediately." This trailer offers a look at the game, and here's a feature list:

• Unique blend of rhythm/music game and shoot'em up
• Unlimited gameplay and replayability, play any mp3s
• Awesome graphics and highly polished
• Online leaderboards for every individual song
• Play online on Windows / Mac / Linux
• Multiple skill levels to cater for different players