The best genre bending games

[Leynos]

Astebreed merges hack n slash with shmup and it's amazing.
Hi Fi rush merging DMC with Rythm games.
REZ. Merges Panzer Dragoon with music games.
Dungeon and Dragons Tower of Doom/Mystara/Dragon's Crown and Gaurdian Heroes merging beat 'em ups with Action RPGs.