Games like ATCo2
Games like ATCo2 include 911 Operator, Plants vs. Zombies GOTY Edition, Zup! S, Hook, and Incredibox. We matched them by the tags players give ATCo2 on Steam (Casual, Flight, Education, Science, and Family Friendly): closest matches first, and among equally close ones the better-known games.

911 Operator
Shared: Casual · Singleplayer · Indie

Plants vs. Zombies GOTY Edition
Shared: Casual · Singleplayer · 2D

Zup! S
Shared: Casual · 2D · Singleplayer

Hook
Shared: Casual · Minimalist · Singleplayer

Incredibox
Shared: Casual · 2D · Family Friendly

Scribblenauts Unlimited
Shared: Casual · Family Friendly · Singleplayer

Bloons TD 6
Shared: Casual · Singleplayer · Family Friendly

Superflight
Shared: Flight · Casual · Singleplayer

Mini Motorways
Shared: Casual · Minimalist · Singleplayer

Melvor Idle
Shared: Casual · Singleplayer · 2D

Strange Jigsaws
Shared: Casual · 2D · Singleplayer

Hidden Folks
Shared: Casual · Indie · 2D

Zup! F
Shared: Casual · 2D · Indie

Peggle Deluxe
Shared: Casual · Singleplayer · 2D

SpaceEngine
Shared: Casual · Flight · Science

Electrician Simulator
Shared: Education · Casual · Singleplayer

Potion Craft: Alchemist Simulator
Shared: Singleplayer · Casual · 2D

RetroMaze
Shared: Casual · 2D · Singleplayer

Hexcells
Shared: Casual · Singleplayer · Indie

Razortron 2000
Shared: Casual · Indie · 2D

Golf With Your Friends
Shared: Casual · Family Friendly · Singleplayer

A Game About Feeding A Black Hole
Shared: Casual · 2D · Singleplayer

A Dance of Fire and Ice
Shared: Singleplayer · 2D · Casual

Zup!
Shared: Casual · 2D · Indie