Grab the demo here via IndieDB

An updated version of the demo(v1.1.0) for Danmaku Unlimited 2 is now available! Some of the new changes/additions are as follows:

-full screen vertical(tate) mode.
-added controls for screen scaling.
-some re-mastered textures for the PC version.
-improved performance/compatibility with old hardware.

note that save file for the old version of the demo will not be carried over to this new version.

Also, the game is now on Steam Greenlight, head on over and check it out!