Top ratedwith server-based network multiplayer tagged Open Source (27 results)
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An open source turn based strategy game.
Rated 4.8 out of 5 stars
(138 total ratings)1 – 9
Strategy
Recreates the classic Command & Conquer titles with a Free/Libre engine.
Rated 4.8 out of 5 stars
(103 total ratings)1 – 63
Strategy
Play tabletop games in a physics-based 3D environment with your friends!
Rated 5.0 out of 5 stars
(21 total ratings)1 – 10
Simulation
Open Source Pixelart Sci-Fi Real Time Strategy Game
Rated 4.7 out of 5 stars
(19 total ratings)1 – 63
Strategy
Command the forces of The Project in a battle to rebuild the world.
Rated 4.8 out of 5 stars
(13 total ratings)1 – 10
Strategy
Experimental social game. Leave messages for other players in a dead world.
Rated 4.9 out of 5 stars
(9 total ratings)Interactive Fiction
Play in browser
Strategy game with simultaneous turns where nature is a finite resource
Rated 4.3 out of 5 stars
(9 total ratings)Strategy
A game about shooting everything, anime girls, and insane movement. Welcome to the future.
Rated 4.2 out of 5 stars
(9 total ratings)1 – 32
Shooter
The Mana World's original server (active)
Rated 4.8 out of 5 stars
(5 total ratings)1 – 250
Adventure
The goal of the game is to accumulate as many points as possible before melting away.
Rated 4.0 out of 5 stars
(6 total ratings)1 – 2
Play in browser
Source of Mana is a work-in-progress open-source 2D MMORPG made with Godot, pixelart graphics and an hand-crafted world.
Rated 5.0 out of 5 stars
(3 total ratings)1 – 32
Adventure
Arcade-style 2D multiplayer team combat game with simple mechanics
Rated 5.0 out of 5 stars
(3 total ratings)1 – 32
Action
arras.io, but the tanks drank milk!
Rated 5.0 out of 5 stars
(3 total ratings)1 – 100
Play in browser
A source port of Serious Sam Classic: The Second Encounter and a complete overhaul of Serious Engine 1.10.
Rated 5.0 out of 5 stars
(3 total ratings)1 – 16
Shooter
A farming game that's fun for 30 seconds or 30 minutes at a time!
Rated 4.0 out of 5 stars
(3 total ratings)Simulation
Play in browser
A City Building Game That Is Open Source And Made In Unity2D.
Rated 5.0 out of 5 stars
(1 total ratings)The Ultimate Version of Quake 3 Clone
Rated 5.0 out of 5 stars
(1 total ratings)1 – 24
Shooter
VALHALLA is a science fiction FPS game that blends casual gameplay with a nostalgic touch of old-school charm.
Rated 5.0 out of 5 stars
(1 total ratings)1 – 128
Shooter
Multiplayer Helicopter Shooter Game
Rated 5.0 out of 5 stars
(1 total ratings)Shooter
One of the best MMORPGs to play while at work/school.
Rated 4.0 out of 5 stars
(1 total ratings)Role Playing
Play in browser