Open Source Game Remakes
Micropolis is a free software release of the original SimCity by Maxis, and made available as part of the One Laptop Per Child project. The SimCity name could not be used due to trademark issues, but the rebrand to Micropolis and modifications to the user interface were made available under the GPL.
OpenRA is a remake of the well-known game Command & Conquer: Red Alert with some additional features from successors to the original. One of the key areas it does differ is the focus on multiplayer gaming, with only limited support for single player games. The game is available across a number of platforms including Linux, Windows, Mac OS X, and BSD.
CorsixTH is a clone of Bullfrog’s Theme Hospital, which has been under active development since 2012. The game aims for a complete re-implementation of the original, plus some extra additions to the in-game play and improvements including improved resolution support. It does however require the data from the original game to be able to play the game. The game supports platforms including Linux, Mac OS X, and Windows.
OpenTTD is a recreation of Transport Tycoon Deluxe, which started in 2004. The initial versions required the use of the original data, sound and music files however in 2007, a community effort was started to create free versions which could be distributed with the game. In 2010, 1.0.0 was released to celebrate the freely-available files. Further development continues and the game is completely cross-platform with the ability to play on Linux, Windows, Mac OS X, Solaris and BSD.
OpenRCT2 is a project which aims to remake RollerCoaster Tycoon 2. Revolving around building and maintaining a theme park, the user must carefully manage rides, shops, and staff to increase visitor numbers and profit. One requirement is to own the original game as the remake currently makes use of the original assets. The game also features both scenario and sandbox play. It is released under the GPL.
FreeCol is a turn-based strategy game and a clone of Sid Meier’s Colonization. It is released under the GPL. It is programmed in Java and cross-platform with support for Linux, Windows, and Mac OS X. The aim of the game is to lead a European power onto the shore of the New World, and claim victory via various methods. One addition over the original is the ability to play multiplayer games.
Openage is a clone of the Microsoft and Konami published Age of Empires II. Released under the GNU General Public License, it implements the game using newer technologies such as Python and Qt while using assets from the original. Regular updates continue to be made to the code repository with over one hundred contributors.