Free/F2P Single-player RTS Games for Windows

List of free-to-play or free single-player RTS (real-time strategy) games for PC (Windows) including online / offline, browser or desktop Windows single-player RTS games, ordered by (full) release date. This list may also include multiplayer games which have a major single player PVE component (a single-player campaign or a substantial single-player mode).

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Lambda Wars Beta is a free single-player and multiplayer real-time strategy MOD game for PC. Lambda Wars Beta is set in the Half-Life 2 universe and was made as a Source Engine modification for Alien Swarm over a period of 15 […]

Windows
87

Kingdom Wars is a free to play 3D MMORTS with real-time siege combat, without the pay to win element so common in the genre. Kingdom Wars offers beautiful 3D online world, where players construct strongholds, direct citizens, complete quests and eventually […]

Windows
69

Airmech Strike is a free-to-play Action Multiplayer RTS game that can be played online competitively or cooperatively. Earn Kudos and Experience in battle and unlock a wide collection of AirMechs, Pilots, Units and Items to customize your army to suit […]

Windows
83

Dwarfs – F2P is an addictive, fast paced arcade-like game, with plenty of difficulty levels and game modes to play, in the tradition of great games such as “Lemmings” and “Dwarf Fortress”. As the new overseer for your underground Dwarf base, […]

WindowsMac
83

Crusader Kings II is a free-to-play strategy game for Windows, Max and Linux PCs by Paradox Interactive. The game is set in the Dark Ages and features both single-player and multiplayer modes. Crusader Kings II became free-to-play on October 17, 2019 […]

WindowsMacLinux
88

The Settlers Online is a free-to-play browser-based MMORTS, based on the popular PC game series The Settlers by Ubisoft. Build your city from the first brick up and lead it to glorious prosperity! Join thousands of gamers already online […]

WindowsMacLinux
75

MegaGlest is a free, open source cross-platform 3D real-time strategy (RTS) game with both single-player and multiplayer game modes, where you control the armies of one of seven different factions: Tech, Magic, Egypt, Indians, Norsemen, Persian or Romans. The game is […]

WindowsMacLinux
86

Twisted Insurrection is a free retro RTS (real time strategy) game for PC (Windows), and a critically acclaimed standalone modification based on the Command & Conquer™ Tiberian Sun™ game and engine. It features a complete redesign of the original game, […]

Windows
89

0 A.D. is a free real-time strategy game under continuous development by Wildfire Games (currently in alpha). Originally a mod concept for Age of Empires II: The Age of Kings, 0 A.D. has become an ambitious and very promising project, now […]

WindowsMacLinux
88

Tiberian Sun Online is a server relaunch of turn-of-century classic 90s game, Command & Conquer: Tiberian Sun, a real-time strategy video game developed by Westwood Studios and released in 1999. The main storyline is a follow-up to the original game Command […]

WindowsMacLinux
80

Dune 2000 is (now) a free sci-fi real-time strategy video game, originally developed by Intelligent Games and released by Westwood Studios in 1998 for Microsoft Windows and later PlayStation. It was a partial remake of Dune II, which was more or […]

WindowsMac
80

Red Alert Online is a server relaunch of Command & Conquer: Red Alert, a real-time strategy video game of the Command & Conquer franchise, produced by Westwood Studios and released in 1996. The second game in the C&C franchise, Red Alert […]

WindowsMacLinux
80

Command & Conquer Online is a server relaunch of turn-of-century classic, Command & Conquer, developed by Westwood Studios and released worldwide in 1995, and is one of the earliest RTS in the history of gaming. The sci-fi plot is set sometime […]

WindowsMacLinux
80