Rainchaser's demo consists of just its Stage 1, but it's a WHOPPING 7 MINUTES! For now, no commentary. It's reserved for the full release.
From its Stage 1, it's no doubt a solid bullet hell shmup with meticulous attention to scoring, primarily its caravan waves. It's a combination of Ikaruga's and Dodonpachi's method though, where the latter just, don't give you extra waves to keep your combo. You need to remember which that spawns extra enemies and not.
So far the game provides you 3 weapons: Forward shot, the classic, back shot, at spread it fires at a reverse V pattern and on focus it's a cross pattern with a much concentrated fire power downwards (I'm having Alzadick flashbacks here......