Freeciv is a Free and Open Source empire-building strategy game inspired by the history of human civilization.
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Planet Blupiblupi.org
Epsitec.PlanetBlupiv1.15.1
Planet Blupi (known as Planet Eggbert too) is a strategy and adventure game. It subtly blends action with thought-provoking challenges. Behind the quiet and gentle facade, you'll enjoy a fascinating diversion full of surprises.
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Colobot: Gold EditionTerranovaTeam
Epsitec.Colobotvalpha-0.1.12
Epsitec.Colobot
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Endless SkyEndless Sky
EndlessSky.EndlessSkyv0.10.16
A sandbox-style space exploration game.
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CorsixTHCorsixTH Team
CorsixTH.CorsixTHv0.69.2
A reimplementation of the 1997 Bullfrog business sim Theme Hospital. As well as faithfully recreating the original, CorsixTH adds support for modern operating systems (Windows, macOS, Linux and BSD), high resolutions and much more.
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0
0 A.D.Wildfire Games
WildfireGames.0ADv0.28.0
0 A.D. is a real-time strategy video game under development by Wildfire Games.
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WidelandsWidelands Development Team
WidelandsDevelopmentTeam.Widelandsv1.3.1
A free and open-source, slow-paced real-time strategy video game under the GNU General Public License.
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Battle for WesnothThe Battle for Wesnoth Project
Wesnoth.BattleForWesnothv1.18.4
The Battle for Wesnoth is an open source, turn-based strategy game with a high fantasy theme.
It features both singleplayer and online/hotseat multiplayer combat.
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Unknown-HorizonsUnknown-Horizons Team
Unknown-HorizonsTeam.Unknown-Horizonsv2019.1
A 2D realtime strategy simulation with an emphasis on economy and city building.
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StarborneSolid Clouds
SolidClouds.Starbornev1.3.153
A free PC Space MMORTS game set in a rich Sci-Fi world
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OpenRAOpenRA developers
OpenRA.OpenRA.Releasev2025.03.30
OpenRA modernizes the classic Command & Conquer real time strategy games.
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OpenRAOpenRA developers
OpenRA.OpenRA.Playtestv2026.02.22
OpenRA modernizes the classic Command & Conquer real time strategy games.
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OpenHVOpenHV developers
OpenHV.OpenHVv20250413
Open Source Real Time Strategy Game
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Rise of KingdomsLilith Games
Lilith.RiseofKingdomsv1.0.5.3
Experience the world's first true RTS gameplay in this epic strategy game featuring unrivaled degrees of freedom.
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HedgewarsHedgewars Project
Hedgewars.Hedgewarsv1.0.0
Hedgewars is a turn-based strategy, artillery, action and comedy game, featuring the antics of pink hedgehogs with attitude as they battle from the depths of hell to the depths of space.
