Games like Poly Frenzy
Games like Poly Frenzy include Risk of Rain 2, Shape of Dreams, Megabonk, ELDEN RING NIGHTREIGN, and Warhammer 40,000: Space Marine 2. We matched them by the tags players give Poly Frenzy on Steam (Action Roguelike, Roguelite, PvE, 3D, and Third Person): closest matches first, and among equally close ones the better-known games.

Risk of Rain 2
Shared: Action Roguelike · Roguelite · Action

Shape of Dreams
Shared: Action Roguelike · PvE · Roguelite

Megabonk
Shared: Action Roguelike · Roguelite · Action

ELDEN RING NIGHTREIGN
Shared: PvE · Roguelite · Third Person

Warhammer 40,000: Space Marine 2
Shared: PvE · Action · Third Person

LORT
Shared: Action Roguelike · PvE · Roguelite

Hades
Shared: Action Roguelike · Roguelite · Action

Vampire Survivors
Shared: Action Roguelike · Roguelite · Action

HELLDIVERS™ 2
Shared: PvE · Action · Third Person

Roboquest
Shared: Action Roguelike · Roguelite · Post-apocalyptic

Gunfire Reborn
Shared: Roguelite · Action Roguelike · Action

Risk of Rain Returns
Shared: Action Roguelike · PvE · Action

ARC Raiders
Shared: PvE · Post-apocalyptic · Third Person

Teenage Mutant Ninja Turtles: Splintered Fate
Shared: Action Roguelike · PvE · Action

Deep Rock Galactic: Rogue Core
Shared: PvE · Roguelite · Action Roguelike

The Spell Brigade
Shared: Roguelite · Action Roguelike · 3D

Sephiria
Shared: Action Roguelike · Roguelite · Action

Ravenswatch
Shared: Action Roguelike · Roguelite · Action

Undisputed
Shared: 3D · Third Person · Controller

Deadzone: Rogue
Shared: PvE · Roguelite · Action Roguelike

Streets of Rogue
Shared: Action Roguelike · Roguelite · Action

Orcs Must Die! 3
Shared: PvE · Third Person · Action

Windblown
Shared: Action Roguelike · Roguelite · PvE

Touhou Dystopian
Shared: Action Roguelike · Roguelite · 3D