Games like Swarm Universe
Games like Swarm Universe include Chippy, Deep Rock Galactic: Survivor, Nova Drift, Sky Force Reloaded, and Sektori. We matched them by the tags players give Swarm Universe on Steam (Arena Shooter, Bullet Hell, Shoot 'Em Up, Top-Down Shooter, and Twin Stick Shooter): closest matches first, and among equally close ones the better-known games.
Chippy
Shared: Arena Shooter · Bullet Hell · Shoot 'Em Up
Deep Rock Galactic: Survivor
Shared: Bullet Hell · Arena Shooter · Top-Down Shooter
Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Arena Shooter
Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter
Sektori
Shared: Shoot 'Em Up · Arena Shooter · Twin Stick Shooter
X Invader
Shared: Arena Shooter · Shoot 'Em Up · Bullet Hell
Deployment
Shared: Arena Shooter · Top-Down Shooter · Twin Stick Shooter
Nex Machina
Shared: Bullet Hell · Twin Stick Shooter · Shoot 'Em Up
Fistful of Frags
Shared: Arena Shooter · PvP · PvE
BALL x PIT
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter
Time Wasters
Shared: Bullet Hell · Arena Shooter · Twin Stick Shooter
SNKRX
Shared: Arena Shooter · Shoot 'Em Up · Top-Down Shooter
Titan Attacks!
Shared: Arena Shooter · Bullet Hell · Shoot 'Em Up
Waves
Shared: Bullet Hell · Shoot 'Em Up · Twin Stick Shooter
State of Anarchy: Master of Mayhem
Shared: Bullet Hell · Top-Down Shooter · Arena Shooter
Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Shooter
Assault Android Cactus+
Shared: Bullet Hell · Shoot 'Em Up · Twin Stick Shooter
Swarm Arena
Shared: Arena Shooter · Bullet Hell · Shoot 'Em Up
Glyphica: Typing Survival
Shared: Arena Shooter · Bullet Hell · Top-Down Shooter
Greedland
Shared: Shoot 'Em Up · Bullet Hell · Twin Stick Shooter
Revolution Ace
Shared: Shoot 'Em Up · Bullet Hell · Shooter
Rogue: Genesia
Shared: Bullet Hell · Twin Stick Shooter · PvE
Insect Swarm
Shared: Shoot 'Em Up · Top-Down Shooter · Twin Stick Shooter
Aimlabs
Shared: Shooter · Level Editor · Action