Games like Swarmbound
Games like Swarmbound include Vampire Survivors, Death Must Die, Halls of Torment, Dead Cells, and Enter the Gungeon. We matched them by the tags players give Swarmbound on Steam (Action Roguelike, Action, Bullet Hell, Roguelite, and 2D): closest matches first, and among equally close ones the better-known games.
Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite
Death Must Die
Shared: Action Roguelike · Bullet Hell · Roguelite
Halls of Torment
Shared: Action Roguelike · Bullet Hell · Roguelite
Dead Cells
Shared: Action Roguelike · Adventure · 2D
Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Pixel Graphics
UnderMine
Shared: Action Roguelike · Roguelite · Action
BALL x PIT
Shared: Action · Roguelite · Bullet Hell
Megabonk
Shared: Action Roguelike · Roguelite · Bullet Hell
Skul: The Hero Slayer
Shared: Action · Action Roguelike · 2D
Magicraft
Shared: Action Roguelike · Bullet Hell · Roguelite
The Binding of Isaac
Shared: Action Roguelike · Action · Procedural Generation
Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Action
I Am Legion: Stand Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite
Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Roguelite
20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Roguelite
Deep Rock Galactic: Survivor
Shared: Action Roguelike · Roguelite · Bullet Hell
Cultivation Story: Reincarnation
Shared: Action Roguelike · Bullet Hell · Roguelite
Noobs Want to Live
Shared: Bullet Hell · Action · Action Roguelike
Hero Siege
Shared: Action Roguelike · Pixel Graphics · Action
Heroes of Hammerwatch
Shared: Action Roguelike · Roguelite · Action
Star of Providence
Shared: Action Roguelike · Bullet Hell · Roguelite
Nordic Ashes: Survivors of Ragnarok
Shared: Action Roguelike · Bullet Hell · Roguelite
ScourgeBringer
Shared: Action · Action Roguelike · Roguelite
Heroes of Hammerwatch II
Shared: Action Roguelike · Action · Roguelite