A turn based strategy game for Linux or Windows. (Open Source)

Turn-based strategy game for Linux in which you control bases and manage fighting lords.

A multi-player clone of the worm(6). Includes, server, client, and bot. Source can be compiled for SGI, Linux, Sun or Gnuwin32.

A real-time Linux strategy game for two players. (Open Source, GNU GPL)

Turn-based empire building strategy game for Windows. (Open Source)

A clone of Rampart for Linux. Two players build castle walls, place cannons inside these walls, and shoot at the walls of their enemies.

Turn-based Civilization clone written in Java. (Open Source, GNU GPL)

Constellation is a 2D turn-based pure-multiplayer strategy / combat game for Windows with a space theme. Well suited to be played by email.

Describes tactical war game for Linux or FreeBSD in the tradition of Battle Isle. Two players command their units on a map of hexagons, trying to defend important locations to destroy all enemy forces. (Open Source)

Using negotiation and trade, one must resolve a situation involving cultists barricaded in a villa two kilometers away from town. (Windows)

A patch by Matt Caspermeyer for the turn-based game. Includes download, documentation, tutorials, and a forum.

Multiplayer real-time strategy game inspired by Railroad Tycoon and Railroad Tycoon II. Written in both C++ and Java. (Open Source, GNU GPL)

Single player, 3D, realtime strategy for Windows with up to three computer opponents.

Turn-based strategy game with some strong RPG elements, based on a game by Julian Gollop. Runs under MS-DOS, Windows and Linux by using an Atari emulator. (Open Source, GNU GPL)

Create figures out of single marbles. One-way streets, crumbling walls and portals make the task interesting. (Linux)

Overlord '44 is a 3D real-time strategy game about the D-Day landings. You will command either the Allies trying to get further inland or the Axis trying to repel the Allies.

Choose your weapon and tactics to slaughter as many of the aliens that swarm you as possible. Features stunning graphics for Windows or Linux.

Space strategy game for Windows.

Turn-based Civilization clone for Palm OS.

Contains "Santa's Snowy Workshop" available for download. [Windows All]

Combines tactics from popular game Scorch and elements from RPG games for DOS or Linux.

A turn-based game with a fantasy theme. Includes download, project information, FAQs and manual, screenshots, and a forum. (Linux, Mac OS X, Windows)

Project to create an alternative sequel to the turn-based strategy game Colonization by Sid Meier.

Turned based military strategy game for Windows in which you control a nation. Your goal is to unite the world under your rule, upon conquering all the other states.

A multiplayer remake of X-COM: UFO Defense for Windows. (Open Source)