A deeply ambitious and complete Victoria II overhaul with improved map, historical and non historical flavor and new mechanics.

Symphony of the Empires is a RTS strategy game and map game.

Official download repository for Kaiserreich, the largest alternate history mod for Hearts of Iron IV.

Conquer Space! A space themed grand strategy set in the present to near future, with emphasis on economics, politics, and society, with realistic orbital mechanics.

High-performance grand strategy game engine for Unity, with deterministic simulation & GPU-accelerated rendering

The source code for the classic Civil War Strategy Game by W.R. Hutsell.

A grand strategy game set during the Cold War, open-source version of the unrealeased "East vs West"

Multiplayer 4x space game currently on hold

A fully functioning grand-strategy bot for Discord written in Node.js.

Generate 2D map based on an color coded image (paradox like)

An open source alternative to Pax Historia

The Grand Campaign is an ambitious Europa Universalis V total conversion mod that aims to move the game's entire scope to the Victorian Era by taking Victoria II and Victoria III as inspirations.

Browser-based political map and scenario editor for alternate history and grand strategy worldbuilding.

Warhammer: Geheimnisnacht lets you play as almost every faction in the Warhammer Fantasy world. featuring a massive map that extends from chilly Naggaroth and sweltering Lustria in the west to the impenetrable Mountains of Mourn in the east; From the deadly Chaos Wastes of the north to the blistering deserts of Araby and Nehekhara to the south.

a block-based RPG and trade route management game

Grand strategy game.

2d-Map generator

💰 Analyze and unlock value from autonomous orbital systems through constraint-driven economics, revealing insights on risk and value capture layers.

a grand strategy-simulation game has been set in a zombie world.

Ultimate/Ultimus/Ultimatum Battle Organization Simulator, a game about battle.