[ Bullet Fan-made ] Heartbeat: Vehement Rhythm of Unforeseen Passion

About Heartbeat (fan expansion for Bullet), from BoardGameGeek:

Bullet: Heartbeat is an unofficial fan-work, and is not endorsed or approved by Level 99 Games. Four new full-hearted heroines wish to prove their mettle! Fight with Sedatives, Portals, Fire bending and... Rubiks cubes!? Battle against each other or cooperate against a heroine's powerful boss form! This is an unoffical fan-expansion by Filip Kull (TheNiceZombie). Bullet♥︎ or Bullet★ is required to play.