Games like CHAT CHAMPIONS
Games like CHAT CHAMPIONS include Broforce, Vampire Survivors, Gang Beasts, Timberman, and UFO 50. We matched them by the tags players give CHAT CHAMPIONS on Steam (Action, Simulation, Arcade, Pixel Graphics, and Indie): closest matches first, and among equally close ones the better-known games.

Broforce
Shared: Action · Pixel Graphics · Co-op

Vampire Survivors
Shared: Pixel Graphics · Indie · Singleplayer

Gang Beasts
Shared: Action · Co-op · Indie

Timberman
Shared: Pixel Graphics · Action · Indie

UFO 50
Shared: Action · Pixel Graphics · Indie

Katana ZERO
Shared: Action · Pixel Graphics · Indie

Dome Keeper
Shared: Action · Singleplayer · Pixel Graphics

Stardew Valley
Shared: Pixel Graphics · Simulation · Indie

SANABI
Shared: Action · Pixel Graphics · Singleplayer

Pixel Gun 3D: PC Edition
Shared: Pixel Graphics · Action · PvP

Skul: The Hero Slayer
Shared: Action · Indie · Pixel Graphics

The Escapists
Shared: Pixel Graphics · Simulation · Action

War Thunder
Shared: Action · Simulation · Combat

Papers, Please
Shared: Simulation · Indie · Pixel Graphics

Exit the Gungeon
Shared: Action · Arcade · Indie

Pizza Tower
Shared: Indie · 2D Platformer · Pixel Graphics

The Escapists 2
Shared: Pixel Graphics · Co-op · Simulation

Door Kickers: Action Squad
Shared: Pixel Graphics · Action · 2D Platformer

Your Only Move Is HUSTLE
Shared: Action · Pixel Graphics · Simulation

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: Arcade · Action · Simulation

PUBG: BATTLEGROUNDS
Shared: Action · Battle Royale · Co-op

People Playground
Shared: Simulation · Singleplayer · Pixel Graphics

Terraria
Shared: Pixel Graphics · 2D · Co-op

Rhythm Doctor
Shared: Pixel Graphics · Action · Indie