Games like TAG.IO
Games like TAG.IO include Zuma's Revenge!, A Dance of Fire and Ice, Passpartout: The Starving Artist, Bloons TD 6, and Timberman. We matched them by the tags players give TAG.IO on Steam (Casual, Action, Indie, Arcade, and Family Friendly): closest matches first, and among equally close ones the better-known games.

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

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

Passpartout: The Starving Artist
Shared: Casual · Indie · Family Friendly

Bloons TD 6
Shared: Casual · Family Friendly · 3D

Timberman
Shared: Casual · Indie · Action

WEBFISHING
Shared: Casual · Indie · 3D

SpongeBob SquarePants: Battle for Bikini Bottom - Rehydrated
Shared: Action · Casual · Family Friendly

Pumpkin Jack
Shared: Action · Indie · Collectathon

The WereCleaner
Shared: Casual · Arcade · Cartoony

Yooka-Laylee
Shared: Indie · Collectathon · Action

Megabonk
Shared: Indie · Action · Arcade

pureya
Shared: Casual · Arcade · Action

Super Hexagon
Shared: Indie · Arcade · Action

Music Racer
Shared: Indie · Action · Casual

One Finger Death Punch
Shared: Action · Indie · Casual

Spin Rhythm XD
Shared: Casual · Indie · Action

Cyberhunt
Shared: Action · Casual · Indie

Vampire Survivors
Shared: Indie · Casual · Action

Overcooked
Shared: Indie · Arcade · Casual

AudioSurf
Shared: Casual · Indie · Arcade

Razortron 2000
Shared: Casual · Indie · Arcade

Sayonara Wild Hearts
Shared: Action · Casual · Arcade

BARRIER X
Shared: Indie · Action · Arcade

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