dhewm3 is described as 'Dhewm 3 is a Doom 3 GPL source port, known to work on at least Windows, Linux, macOS and FreeBSD' and is an app. There are more than 10 alternatives to dhewm3 for a variety of platforms, including Windows, Linux, Mac, Web-based and BSD apps. The best dhewm3 alternative is Doom. It's not free, so if you're looking for a free alternative, you could try GZDoom or Freedoom. Other great apps like dhewm3 are Anarch, fhDOOM, Chocolate Doom and LZDoom.
Doom is a science fiction horror-themed first-person shooter video game in which players assume the role of a space marine, popularly known as "Doomguy", who must fight his way through the hordes of invading demons from Hell.
ZDoom is a family of enhanced ports of the Doom engine for running on modern operating systems. It runs on Windows, Linux, and OS X, and adds new features not found in the games as originally published by id Software.
GZDoom is a source port for the classic Doom games, as well as games that use the classic Doom engine. It cannot run Doom 3. dhewm3 is a source port for Doom 3, not the classic Doom games.
Freedoom is a WIP a complete free content game based on the Doom engine. It's not an engine, but it's replacement game data with entirely original content, Compatible with a majority of game mods made for Doom. Comes in Three Flavors~.
Freedoom is a total conversion mod for Doom and Doom 2, while dhewm3 is a source port for Doom 3.
Anarch is a standalone, Doom-inspired game, not a source port for Doom 3.
1998 saw the public release of the Doom source code by its original authors, id Software. Since then, a large number of Doom "source ports" have been created by programmers, who have extended the code, adding new features and removing some of the limitations of DOS...
Chocolate Doom is a source port for the classic Doom games, as well as games that use the classic Doom engine, not for Doom 3. dhewm3 is a source port for Doom 3 and Resurrection of Evil only.
LZDoom is based on an older version of GZDoom. It does not provide all features currently supported by GZDoom but in turn is capable of running the hardware renderer on older hardware which does not support modern OpenGL features.
LZDoom is a source port for the classic Doom games, as well as games that use the classic Doom engine. It cannot run Doom 3. dhewm3 is a source port for Doom 3, not the classic Doom games.
UQE Doom 3 is a source port for Doom 3 that primarily focuses on quality of life improvements such as wide-screen support.
RBDOOM-3-BFG is based on DOOM-3-BFG and the goal of this port is to bring DOOM-3-BFG up to the latest technology in 2021 making it closer to Doom 2016 while still remaining a DOOM 3 port regarding the gameplay.
D3wasm is an experiment to port the id Tech 4 engine (aka. “Doom 3 Engine”) to Emscripten / WebAssembly and WebGL, allowing to run games such as Doom 3 inside modern Web Browsers.
Risen3D is an advanced Doom port by Graham Jackson based on Jaakko Keranen's Doomsday port. Risen3D should be used as a stand alone port as it does not require any of the Doomsday binaries.
Risen3D is an advanced source port for the classic Doom games, and not for Doom 3.
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Doom is a video game series. dhewm3 is a source port for Doom 3.