Best Games software in 2026

0 A.D.

play0ad.com

Open source

Cross-platform real-time strategy game of ancient warfare.

A Dark Room

github.com

Open source

Minimalist text adventure game for your browser.

DDraceNetwork

ddnet.org

Open source

Cooperative platformer version of DDRace, a Teeworlds modification featuring unique cooperative gameplay.

Digibuzzer

digibuzzer.app

Open source

Create a virtual game room around a connected buzzer (documentation in French).

Hypersomnia

github.com

Open source

Competitive top-down shooter blending Counter-Strike with Hotline Miami. Runs on Linux, Windows, MacOS and the Web.

Lila

lichess.org

Open source

Ad-less chess server powering lichess.org, with official iOS and Android client apps.

Luanti

luanti.org

Open source

Voxel game engine (formerly Minetest). Play one of our many games, mod a game to your liking, make your own game, or play on a multiplayer server.

Mindustry

mindustrygame.github.io

Open source

Factorio-like tower defense game. Build production chains to gather more resources, and build complex facilities.

MTA:SA

multitheftauto.com

Open source

- Add network play functionality to Rockstar North's Grand Theft Auto game series, in which this functionality is not originally found.

OpenTTD

openttd.org

Open source

Transport tycoon simulation game.

piqueserver

github.com

Open source

Server for openspades, the first-person shooter in a destructible voxel world.

Posio

github.com

Open source

Geography multiplayer game.

Razzia

github.com

Open source

Quiz game platform, designed for smaller self-hosted events (alternative to Kahoot!).

Red Eclipse 2

redeclipse.net

Open source

Arena first-person shooter similar to Unreal Tournament.

Scribble.rs

github.com

Open source

A web-based pictionary game.

Suroi

suroi.io

Open source

An open-source 2D battle royale game inspired by surviv.io.

The Battle for Wesnoth

github.com

Open source

The Battle for Wesnoth is an Open Source, turn-based tactical strategy game with a high fantasy theme, featuring both singleplayer and online/hotseat multiplayer combat.

Veloren

veloren.net

Open source

Multiplayer RPG. Open-source game inspired by Cube World, Legend of Zelda, Dwarf Fortress and Minecraft.

Zero-K

zero-k.info

Open source

Open Source on Springrts engine. Zero-K is a traditional real time strategy game with a focus on player creativity through terrain manipulation, physics, and a large roster of unique units - all while being balanced to support competitive play.