Games like Gun Paradise
Games like Gun Paradise include Warframe, Risk of Rain 2, Hades II, The Killing Antidote, and The First Descendant. We matched them by the tags players give Gun Paradise on Steam (Third-Person Shooter, Roguelite, Shooter, Action RPG, and Roguelike): closest matches first, and among equally close ones the better-known games.

Warframe
Shared: Third-Person Shooter · Action RPG · RPG

Risk of Rain 2
Shared: Third-Person Shooter · Roguelite · Roguelike

Hades II
Shared: Roguelite · Roguelike · Female Protagonist

The Killing Antidote
Shared: Third-Person Shooter · Female Protagonist · Shooter

The First Descendant
Shared: Third-Person Shooter · Shooter · RPG

HELLDIVERS™ 2
Shared: Third-Person Shooter · Shooter · Action

Tomb Raider Game of the Year
Shared: Female Protagonist · Third-Person Shooter · Third Person

ELDEN RING NIGHTREIGN
Shared: Roguelike · Roguelite · Action RPG

Soulstone Survivors
Shared: Roguelite · Action RPG · Roguelike

Mass Effect™ Legendary Edition
Shared: Third-Person Shooter · RPG · Action RPG

LORT
Shared: Third-Person Shooter · Roguelite · Roguelike

Stellar Blade™
Shared: Female Protagonist · Action RPG · Third Person

Black Myth: Wukong
Shared: Action RPG · RPG · Action

Mass Effect (2007)
Shared: Third-Person Shooter · RPG · Shooter

Grand Theft Auto V Legacy
Shared: Shooter · Third-Person Shooter · Third Person

Marvel Rivals
Shared: Third-Person Shooter · Shooter · 3D

Gunfire Reborn
Shared: Roguelite · Roguelike · Shooter

STAR WARS™ Battlefront™ II
Shared: Shooter · Third-Person Shooter · Action

Snowbreak: Containment Zone
Shared: Third-Person Shooter · Shooter · 3D

PRAGMATA
Shared: Third-Person Shooter · Funny · Action

The Callisto Protocol™
Shared: Third-Person Shooter · Shooter · Third Person

SULFUR
Shared: Roguelite · Shooter · Action RPG

Binary Domain
Shared: Third-Person Shooter · Shooter · Cyberpunk

Little Witch Nobeta
Shared: Female Protagonist · Third-Person Shooter · Funny