Yu Yu Hakusho Mugen Game
Yu Yu Hakusho Mugen is a game created with the Mugen engine, created and compiled by GersonXBR.
The game in question seems to be constantly updated, so I recommend following the gersonXBR You Tube channel to stay updated.
Game Name: Yu Yu Hakusho Mugen
Author Link: Channel You Tube Gerson XBR
Playable Characters: 20
Stages Available: 19
The download link is available in the YouTube video description.