If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Beat Chaser 2 is a combination of bullet hell and rhythm game. You can choose your own mp3 file or use prepared song, the music will affect on the motion of bullets. The game has 4 game modes, 14 bullet patterns in 12 phases and 4 difficulty settings. Inspiration from Beat Hazard, Touhou and Audiosurf, if you are fan of these game, try this one!