Zezenia Online - Free to play 2D MMORPG inspired by the classics
Left 4 Dead - Left 4 Dead is an Engaging, Action-Adventure, Horror-Survival, FPS (First-person Shooter), Co-op, Single and Multiplayer video game created and published by Valve.
Open Tibia - Open Tibia is a loose collection of Open Source (FLOSS) alternative software to run your own customized Tibia (2D MMORPG) game and server.
Rust Game - Rust’s world is harsh. The environment is not kind. Bears and wolves will chase and kill you. Falling from a height will kill you. Being exposed to radiation for an extended period will kill you. Starving will kill you. Being cold will kill you.
Stendhal - Stendhal is an Action-Adventure, Massively Multiplayer Online, Role-playing, Browser-based and Fantasy-themed video game that provides you with old school visuals style.
7 Days to Die - 7 Days to Die is a post-apocalyptic survival game, during which players must craft shelters and horde resources in order to survive waves of undead enemies. Read more about 7 Days to Die.