Garry's Mod

Team Fortress 2

Cortex Command

Starbound

Age of Empires II (2013)

Sid Meier's Civilization VI

Counter-Strike 2

Age of Empires II: Definitive Edition

Age of Empires® III (2007)

Starbound - Unstable

Fistful of Frags

Half-Life 2

Soundpad

Arma: Cold War Assault Remastered

Cities: Skylines

Tabletop Simulator

PAYDAY 2

I Am Bread

Unturned

Half-Life 2: Deathmatch

Blender

Imperator: Rome

Mitos.is: The Game

Victoria II

EVE Online

Life is Strange™

SCP: Containment Breach Multiplayer

Hearts of Iron IV

SCP: Secret Laboratory

Synergy

Business Tour - Online Multiplayer Board Game

Counter-Strike: Source

Rogue Agent

Company of Heroes 2

Half-Life Deathmatch: Source

Half-Life

Kandidatos

Left 4 Dead 2