Replacement

This engine can be used as a replacement for commercial or closed engines

Displaying 1 - 12 of 12 games in this category. All games

CorsixTH

0.30 (1 Dec 2013)
CorsixTH aims to reimplement the game engine of Theme Hospital, and be able toload the original game data files.

Zengine

Replacement engine for Zork: Nemesis & Zork: Grand Inquisitor

Frotz

Frotz is an interpreter for Infocom games and other Z-machine games.

ioquake3

ioquake3 is a game engine project which aims to build upon the id Tech 3 source code release in order to remove bugs, clean up source...

OpenMW

0.31.0
OpenMW is a new and modern engine based on the one that runs the 2002 open-world RPG Morrowind.

FreeSynd

0.7.1 (7 Apr 2013)
FreeSynd is a cross-platform, GPLed reimplementation of engine for the classic Bullfrog game, Syndicate.

CaesarIA

Git (31 Jul 2014)
CaesarIA is an open-source remake of the popular citybuilder and economic sim Caesar III, videogame by Empressions Games, written in C++ / SDL.

ResidualVM

0.1.1 (10 Feb 2013)
ResidualVM is a cross-platform 3D game interpreter which allows you to play LucasArts' Lua-based 3D adventures: Grim Fandango and Escape...

ScummVM

1.7.0 (23 Jul 2014)
ScummVM is a program which allows you to run certain classic graphical point-and-click adventure games, provided you already have their data files.

FreeSpace 2 Open

3.7.2 RC3 (8 Jun 2014)
From the time it became apparent that there would be no FS3 the most repeated complaint the community had was that Volition wouldn't...

Adventure Game Studio

Git
AGS (Adventure Game Studio) is a game engine primarily used to create graphic adventure games.

GemRB

0.8.1 (3 May 2014)
GemRB (Game engine made with preRendered Background) is a portable open-source implementation of Bioware's Infinity Engine.