Games like Circle Pong
Games like Circle Pong include Vampire Survivors, Timberman, A Dance of Fire and Ice, Cyberhunt, and Planes, Bullets and Vodka. We matched them by the tags players give Circle Pong on Steam (Action, Casual, Arcade, 2D, and Isometric): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: 2D · Casual · Indie

Timberman
Shared: Casual · Action · 2D

A Dance of Fire and Ice
Shared: 2D · Arcade · Indie

Cyberhunt
Shared: Action · Casual · Indie

Planes, Bullets and Vodka
Shared: Action · Casual · Arcade

One Finger Death Punch
Shared: Action · Indie · 2D

DJMAX RESPECT V
Shared: Casual · Action · 2D

One Finger Death Punch 2
Shared: Action · Casual · Indie

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: Arcade · 2D · Casual

Ninja Kiwi Archive
Shared: Casual · Arcade · Action

Zuma's Revenge!
Shared: Action · Casual · Arcade

Streets of Rage 4
Shared: Action · 2D · Arcade

Sixtar Gate: STARTRAIL
Shared: Action · Casual · Arcade

BALL x PIT
Shared: Action · Arcade · 2D

Razortron 2000
Shared: Casual · Arcade · Indie

Rogue Legacy 2
Shared: Arcade · Action · Indie

Serial Cleaner
Shared: Action · 2D · Indie

pureya
Shared: Casual · Arcade · 2D

UFO 50
Shared: Action · 2D · Arcade

Hotline Miami
Shared: Action · Top-Down · Indie

Wolcen: Lords of Mayhem
Shared: Isometric · Action · Singleplayer

Skul: The Hero Slayer
Shared: Action · Indie · 2D

LUFTRAUSERS
Shared: Action · Arcade · Indie

Akane
Shared: Action · Indie · Casual