Games like Swarmsign
Games like Swarmsign include Paladins®, Team Fortress 2, Marvel Rivals, The Ascent, and Deep Rock Galactic: Survivor. We matched them by the tags players give Swarmsign on Steam (Hero Shooter, Bullet Hell, Top-Down Shooter, PvE, and Shooter): closest matches first, and among equally close ones the better-known games.

Paladins®
Shared: Hero Shooter · Shooter · Action

Team Fortress 2
Shared: Hero Shooter · Shooter · Action

Marvel Rivals
Shared: Hero Shooter · Shooter · 3D

The Ascent
Shared: Top-Down Shooter · Shooter · Isometric

Deep Rock Galactic: Survivor
Shared: Bullet Hell · Top-Down Shooter · PvE

Alien Shooter 2: Reloaded
Shared: PvE · Shooter · Action RPG

Army of Ruin
Shared: Bullet Hell · Top-Down Shooter · Shooter

Predecessor
Shared: Hero Shooter · PvE · Character Customization

Apex Legends™
Shared: Shooter · Hero Shooter · Action

Warframe
Shared: Action RPG · Character Customization · PvE

ATLYSS
Shared: Action RPG · Character Customization · 3D

Overwatch®
Shared: Hero Shooter · Shooter · Team-Based

Alien Shooter
Shared: Shooter · Top-Down Shooter · Action RPG

HELLDIVERS™ 2
Shared: PvE · Shooter · Action

FragPunk
Shared: Hero Shooter · Shooter · Action

Zombieville USA 3D
Shared: Top-Down Shooter · Shooter · Action

Goobies
Shared: Bullet Hell · Top-Down Shooter · 3D

GrandChase
Shared: PvE · Action RPG · Action

Nienix: Cosmic Warfare
Shared: Bullet Hell · Top-Down Shooter · PvE

SYNTHETIK: Legion Rising
Shared: Top-Down Shooter · Shooter · Action

Shadowgrounds Survivor
Shared: Top-Down Shooter · Shooter · Isometric

SYNTHETIK 2
Shared: Top-Down Shooter · Shooter · Character Customization

Diablo® IV
Shared: Action RPG · Isometric · PvE

Plants vs. Zombies: Battle for Neighborville™
Shared: Hero Shooter · Shooter · PvE