Hero of the Kingdom (Series) Alternatives

0 A.D. is a free, open-source, cross-platform real-time strategy (RTS) game of ancient warfare. In short, it is a historically-based war/economy game that allows players to relive or rewrite the history of Western civilizations, focusing on the years between 500 B.C. and 500 A.D.

Real-time strategy series where players guide civilizations from small tribes to empires across millennia, managing resources, researching technologies, building military strength, exploring, and choosing strategic paths to victory in campaigns and multiplayer modes.

Join "The Project" to restore humanity's synaptic-link technology after nuclear war has devastated Earth, rendering it a Warzone 2100.

Command the exiled Terrans, the relentless Zerg, and the abiding Protoss, in the world's most longstanding RTS. (Released in 1997.).

OpenRA is an open-source reimplementation of Westwood’s Command & Conquer Red Alert game engine, updated to use the hardware acceleration of modern video cards using OpenGL.

Widelands is a free, open source real-time strategy game with singleplayer campaigns and a multiplayer mode. The game was inspired by Settlers II™ (© Bluebyte) but has significantly more variety and depth to it. Still, it is easy to get started through playable tutorials.

Empire Earth, also known as EE, is a real-time strategy video game developed by Stainless Steel Studios and released on November 23, 2001. It is the first game in the Empire Earth series: Empire Earth, Empire Earth II, Empire Earth III.

Free (as in freedom) open-source RTS Age of Empires engine. Written from scratch in C++, Python, Cython, Qt/QML, OpenGL/GLSL, Vulkan, ...

Age of Mythology is based on building towns, gathering resources, creating armies, and ultimately destroying enemy units and buildings. In this way, players are able to defeat and conquer rival towns and civilizations.

Join the famous expert strategy game with thousands of real players, directly in your browser.

MegaGlest is an open source 3D-real-time strategy game, where you control the armies of one of seven different factions: Tech, Magic, Egyptians, Indians, Norsemen Persian or Romans. The game is setup in one of 14 naturally looking settings, which -like the unit models- are...

Tropico is a series of construction and management simulation computer games developed by PopTop Software and published by Gathering of Developers in April 2001. Feral Interactive has developed and published a number of the games.