Games like Underwater DuO
Games like Underwater DuO include Megabonk, Brotato, Deep Rock Galactic: Survivor, Arms of God, and 20 Minutes Till Dawn. We matched them by the tags players give Underwater DuO on Steam (Action Roguelike, Bullet Heaven, Top-Down Shooter, Bullet Hell, and Arena Shooter): closest matches first, and among equally close ones the better-known games.
Megabonk
Shared: Action Roguelike · Bullet Heaven · Bullet Hell
Brotato
Shared: Action Roguelike · Bullet Hell · Bullet Heaven
Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Heaven · Bullet Hell
Arms of God
Shared: Action Roguelike · Bullet Heaven · Top-Down Shooter
20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Top-Down Shooter
Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite
The Spell Brigade
Shared: Bullet Heaven · Action Roguelike · Bullet Hell
BALL x PIT
Shared: Action Roguelike · Action · Bullet Hell
Yet Another Zombie Survivors
Shared: Bullet Heaven · Action Roguelike · Top-Down Shooter
Soulstone Survivors
Shared: Action Roguelike · Bullet Heaven · Bullet Hell
Death Must Die
Shared: Action Roguelike · Bullet Hell · Bullet Heaven
Halls of Torment
Shared: Action Roguelike · Bullet Hell · Roguelite
Nordic Ashes: Survivors of Ragnarok
Shared: Action Roguelike · Bullet Heaven · Bullet Hell
FatalZone
Shared: Action Roguelike · Bullet Hell · Top-Down Shooter
Tower of Babel: Survivors of Chaos
Shared: Action Roguelike · Bullet Heaven · Bullet Hell
Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Top-Down Shooter
Vital Shell
Shared: Action Roguelike · Bullet Heaven · Bullet Hell
Nova Drift
Shared: Bullet Hell · Action Roguelike · Roguelite
Time Wasters
Shared: Action Roguelike · Bullet Heaven · Bullet Hell
Atomicrops
Shared: Bullet Hell · Action Roguelike · Action
Pathogenic
Shared: Top-Down Shooter · Bullet Hell · Bullet Heaven
Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Roguelike
Army of Ruin
Shared: Action Roguelike · Bullet Hell · Top-Down Shooter
Tiny Rogues
Shared: Action Roguelike · Bullet Hell · Top-Down Shooter