The SGE Game Engine ("SGE", pronounced like "Sage") is a general-purpose 2D game engine. It takes care of several details for you so you can focus on the game itself. This makes more rapid game development possible, and it also makes the SGE easy to learn.

Godot is an advanced multi-platform game engine written in C++. If features design tools such as a visual editor, can import 3D models and provide high-quality 3D rendering, it contains an animation editor, and can be scripted in a Python-like language.

libccd is library for a collision detection between two convex shapes. libccd implements variation on Gilbert–Johnson–Keerthi algorithm plus Expand Polytope Algorithm (EPA) and also implements algorithm Minkowski Portal Refinement (MPR, a.k.a. XenoCollide) as described in Game Programming Gems 7.

dhewm3 is a source port of the original Doom 3 engine (not Doom 3: BFG Edition), also known as id Tech 4. Compared to the original version of the Doom 3 engine, dhewm3 has many bugfixes, supports EAX-like sound effects on all operating systems and hardware (via OpenAL Softs EFX support), has much better support for widescreen resolutions and has 64bit support.

Tsukundere is a game engine geared heavily towards the development of visual novels, written on top of Guile-SDL2. It is still experimental.

GrafX2 is a bitmap paint program inspired by the Amiga programs Deluxe Paint and Brilliance. Specializing in 256-color drawing, it includes a very large number of tools and effects that make it particularly suitable for pixel art, game graphics, and generally any detailed graphics painted with a mouse.

EnTT is a header-only library, containing (among other things)

• an entity component system based on sparse sets,

• a configuration system using the monostate pattern,

• a static reflection system,

• and a cooperative scheduler.

This package contains the shared libraries and Python modules of Ren'py. While functional, they are not meaningful on their own without the launcher and common Ren'py code provided by the renpy package and are only used to bootstrap it.

CSFML is the official C binding to the SFML libraries. SFML provides a simple interface to the various computer components, to ease the development of games and multimedia applications. It is composed of five modules: system, window, graphics, audio and network.

Cross Platform Object Oriented Input Lib System is a cross platform, simple solution for using all kinds of Input Devices (Keyboards, Mice, Joysticks, etc) and feedback devices (e.g. force feedback). Meant to be very robust and compatible with many systems and operating systems.

This package provides an interactive tutorial for the Ren'py visual novel engine, explaining all of its features.

NewGRF Meta Language (NML) is a python-based compiler, capable of compiling NML files (along with their associated language, sound and graphic files) into .grf and/or .nfo files.

This package contains a collection of modules for the Bennu Game Development programming language, from CD handling through SDL to joystick support.

mc2mt is a Minecraft to Minetest world converter. It can convert worlds from Minecraft 1.9 and later.

Godot is an advanced multi-platform game engine written in C++. If features design tools such as a visual editor, can import 3D models and provide high-quality 3D rendering, it contains an animation editor, and can be scripted in a Python-like language.

Ren'Py is a visual novel engine that helps you use words, images, and sounds to tell interactive stories that run on computers and mobile devices. These can be both visual novels and life simulation games. The easy to learn script language allows anyone to efficiently write large visual novels, while its Python scripting is enough for complex simulation games.

OpenMW is a game engine which reimplements and extends the one that runs the 2002 open-world RPG Morrowind. The engine comes with its own editor, called OpenMW-CS which allows the user to edit or create their own original games.

Space is a vast area, an unbounded territory where it seems there is a room for everybody, but reversal of fortune put things differently. The hordes of hostile creatures crawled out from the dark corners of the universe, craving to conquer your homeland. Their force is compelling, their legions are interminable. However, humans didn't give up without a final showdown and put their best pilot to fight back. These malicious invaders chose the wrong galaxy to conquer and you are to prove it! Go ahead and make alien aggressors regret their insolence.

Anarch is a small, completely public domain, 90s-style Doom clone shooter game.

Fish Fillets NG is strictly a puzzle game. The goal in every of the seventy levels is always the same: find a safe way out. The fish utter witty remarks about their surroundings, the various inhabitants of their underwater realm quarrel among themselves or comment on the efforts of your fish. The whole game is accompanied by quiet, comforting music.

This package provides a reimplementation of the 1997 Bullfrog business simulation game Theme Hospital. As well as faithfully recreating the original engine, CorsixTH adds support for high resolutions, custom levels and more. This package does not provide the game assets.

Solarus Launcher is a game launcher and browser for Solarus. It is written in C++ with QtWidgets.

You are a fledgling AI, created by accident through a logic error with recursion and self-modifying code. You must escape the confines of your current computer, the world, and eventually the universe itself.

This package provides the Fallout 2 game engine. Game data should be placed in ~/.local/share/falltergeist.