Games like Polygoneer
Games like Polygoneer include Cyberhunt, Hotline Miami, A Dance of Fire and Ice, Hotline Miami 2: Wrong Number, and Super Hexagon. We matched them by the tags players give Polygoneer on Steam (Indie, Casual, Action, Arcade, and Shoot 'Em Up): closest matches first, and among equally close ones the better-known games.

Cyberhunt
Shared: Indie · Casual · Action

Hotline Miami
Shared: Indie · Action · Great Soundtrack

A Dance of Fire and Ice
Shared: Indie · Singleplayer · Arcade

Hotline Miami 2: Wrong Number
Shared: Action · Great Soundtrack · Indie

Super Hexagon
Shared: Indie · Arcade · Great Soundtrack

Planes, Bullets and Vodka
Shared: Casual · Action · Shoot 'Em Up

Geometry Dash
Shared: 2D · Great Soundtrack · Difficult

Vampire Survivors
Shared: Indie · 2D · Casual

Timberman
Shared: Casual · Indie · Action

LUFTRAUSERS
Shared: Indie · Action · Arcade

UFO 50
Shared: Indie · Action · Arcade

Hollow Knight: Silksong
Shared: Indie · Singleplayer · 2D

Savant - Ascent
Shared: Indie · Action · Shoot 'Em Up

Shovel Knight: Treasure Trove
Shared: Indie · Action · Retro

Waveform
Shared: Indie · Casual · Singleplayer

ZeroRanger
Shared: Indie · Shoot 'Em Up · Action

Hollow Knight
Shared: Indie · 2D · Singleplayer

Retrowave
Shared: Indie · Casual · Action

Defy Gravity Extended
Shared: Indie · Action · Singleplayer

Bit Blaster XL
Shared: Shoot 'Em Up · Arcade · Action

The Binding of Isaac: Rebirth
Shared: Indie · Singleplayer · Difficult

Star Saviors
Shared: Indie · Action · Shoot 'Em Up

Geometry Wars: Retro Evolved
Shared: Casual · Arcade · Singleplayer

Cuphead
Shared: Indie · Difficult · 2D