Rival Megagun is a split-screen PVP battle shmup (or shoot 'em up, shooting game, STG) where you transform into a huge boss ship - your "Mega Gunship" - to invade your opponent's screen.
- Classic shmup action with a competitive twist
- Multiple playable heroes, each with their own special weapons and Mega Gunship boss form
- Intense 2-player "couch-competitive" local versus battles
- Online battles - challenge your friends or find opponents via matchmaking
- Unlockable gear and weapons for customizing your ship
- A single-player arcade mode