Glest is an entirely free real time strategy (RTS) game and a 3D strategy game production engine. In this open source title, players command powerful armies from one of two unique factions: the Tech faction, which uses mechanical units, warriors, and advanced technology, or the Magic faction, which relies on mages, elementals, and summoned creatures. These factions clash in visually engaging, fast-paced battles that challenge both skill and creativity.

With its customizable engine, community mods, and portable version, it delivers one of the best free RTS experiences for players looking for something fresh, flexible, and completely open.

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Glest: One of the Best Free Real Time Strategy Games

This completely free, portable real time strategy game is set in a richly detailed fantasy-meets-steampunk world. Developed as an open source project, it offers both engaging gameplay and a flexible 3D engine that modders and developers can build upon.

Players can choose between two core factions: Tech and Magic. The Tech side relies on craftsmanship, weaponry, and machinery, while the Magic side wields elemental power, mystical summons, and arcane energy.

Thanks to OpenGL-powered 3D graphics, the game delivers immersive visuals that rival many commercial RTS titles. Its modding capabilities, powered by XML configuration files and community-created content, make it endlessly customizable. Players can adjust everything from unit stats and art assets to maps and AI behavior, turning this RTS into both a fun strategy game and a creative sandbox for modders.

Key Features

Two Unique Factions: Choose between the Tech and Magic factions. Tech units excel in physical strength and mechanical power, while Magic units dominate with spells, mana, and summoned allies. Each faction offers a distinct approach to strategy and resource management.
Immersive 3D Graphics: Built with OpenGL, this engine delivers smooth and detailed 3D visuals that enhance the battle experience, even on modest hardware.
Resource Management: Gather key resources like gold, wood, and stone to build bases, create units, and unlock advanced technologies. Efficient resource control is crucial for long-term success.
Diverse Unit Types: Both factions include a wide range of units, from swordsmen and catapults to dragons and elementals. Each unit type plays a critical role in tactical combinations.
Open Source and Modding Support: As an open source RTS, it encourages community development. Many mods have expanded the universe with new factions, maps, AI improvements, and campaigns.
Multiplayer Mode: Challenge friends or online opponents in real-time battles. Multiplayer adds new depth as players must adapt to unpredictable strategies.
Cross-Platform Compatibility: Available on Windows, Linux, and macOS, ensuring accessibility for players on multiple systems.

Glest Gameplay Overview and Tips

Gameplay focuses on strategic base building, technology advancement, and tactical combat. Players start by constructing essential buildings, training units, and collecting resources. As progress continues, new technologies and magical powers become available, allowing powerful unit combinations and advanced strategies.

Early Game Tip: Balance resource gathering and defense. Building too many offensive units too soon can leave your base exposed.
Mid-Game Tip: Explore the map and secure additional resource points to support continued growth.
Late Game Tip: Combine the Tech faction's siege engines or the Magic faction's summoned creatures for devastating final assaults.

How to Make a Glest Portable RTS Game

Download the Make Glest Portable script and run it to create a portable folder.
Download the installer and move the file (glest_3.2.2.exe) into the newly created folder.
Run the MakePortable.bat file and follow the on-screen prompts to complete setup.
Once ready, launch glest.exe directly from your USB drive to play anywhere, no installation required.

This process makes it one of the few portable RTS games that can run on any Windows computer, perfect for LAN parties or gaming on the go.

Additional Specifications

Extracted File Size: 113 MB
Author's Website: Official Project Page
License: Open Source (GPL)
First Release Date: 2004
Supported Operating Systems: Windows 11, 10, 8, 7, Linux, macOS
Price: Free
Application Category: Games, Real Time Strategy, Utilities
Editor's Rating: ★★★★☆ (4/5)

Why This Free Real Time Strategy Game Still Stands Out

Even after two decades, this classic RTS continues to thrive thanks to its open source nature, active community, and lasting gameplay depth. Projects like MegaGlest (a popular fork of the original) have kept it alive with new factions, smarter AI, and enhanced visuals. Whether you're a fan of Age of Empires or Command & Conquer, this strategy game remains a must-try for anyone who enjoys tactical combat and creative freedom.

Recommended Alternatives

If you like this game, you might also enjoy:

WarZone 2100 – A free, open source RTS similar to Command and Conquer with deep tech-tree progression and portable play support.
0 A.D. – A historically inspired open source RTS with ancient civilizations, detailed visuals, and active community updates.
OpenRA – A modern reimagining of classic Command & Conquer titles offering improved performance and online multiplayer.

The combination of strategy, creativity, and accessibility makes Glest one of the best free RTS games available today. Whether you're new to real-time strategy or a seasoned player, it's an open source gem worth adding to your portable gaming collection.