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.

GNU XBoard is a graphical board for all varieties of chess, including international chess, xiangqi (Chinese chess), shogi (Japanese chess) and Makruk. Several lesser-known variants are also supported. It presents a fully interactive graphical interface and it can load and save games in the Portable Game Notation.

SuperTux is a classic 2D jump'n run sidescroller game in a style similar to the original Super Mario games.

Schiffbruch is a mix of building, strategy and adventure and gets played with a two-dimensional view. The game deals with the consequences of a ship wreckage. You're stranded on a desert island and have to survive. In order to do so you need to explore the island, find food, build a shelter and try to get attention, so you get found.

Learn programming, playing with ants and spider webs ;-) Your robot ant can be programmed in many languages: OCaml, Python, C, C++, Java, Ruby, Lua, JavaScript, Pascal, Perl, Scheme, Vala, Prolog. Experienced programmers may also add their own favorite language.

Solarus Quest Editor is a graphical user interface to create and modify quests for the Solarus engine.

This is an open-source port of the Serious Engine from Serious Sam: The First Encounter and Serious Sam: The Second Encounter. To run, you must put your official game data, Levels and Help in ~/.local/share/Serious-Engine/serioussam,serioussamse/gamedata/.

Mr. Rescue is an arcade styled 2d action game centered around evacuating civilians from burning buildings. The game features fast-paced fire extinguishing action, intense boss battles, a catchy soundtrack, and lots of throwing people around in pseudo-randomly generated buildings.

Barrage is a rather destructive action game that puts you on a shooting range with the objective to hit as many dummy targets as possible within 3 minutes. You control a gun that may either fire small or large grenades at soldiers, jeeps and tanks. The gameplay is simple but it is not that easy to get high scores.

Cataclysm: Dark Days Ahead (or "DDA" for short) is a roguelike set in a post-apocalyptic world. Struggle to survive in a harsh, persistent, procedurally generated world. Scavenge the remnants of a dead civilization for food, equipment, or, if you are lucky, a vehicle with a full tank of gas to get you out of Dodge. Fight to defeat or escape from a wide variety of powerful monstrosities, from zombies to giant insects to killer robots and things far stranger and deadlier, and against the others like yourself, that want what you have.

Nudoku is a ncurses-based Sudoku game for your terminal.

This package provides the game data, images, and music of the game Superfluous Returnz.

Unknown Horizons is a 2D realtime strategy simulation with an emphasis on economy and city building. Expand your small settlement to a strong and wealthy colony, collect taxes and supply your inhabitants with valuable goods. Increase your power with a well balanced economy and with strategic trade and diplomacy.

Hedgewars is a turn based strategy, artillery, action and comedy game, featuring the antics of pink hedgehogs with attitude as they battle from the depths of hell to the depths of space.

As commander, it's your job to assemble your crack team of hedgehog soldiers and bring the war to your enemy.

Badass generates false commits for a range of dates, essentially hacking the gamification of contribution graphs on platforms such as Github or Gitlab.

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

The Irrlicht Engine is a high performance realtime 3D engine written in C++. Features include an OpenGL renderer, extensible materials, scene graph management, character animation, particle and other special effects, support for common mesh file formats, and collision detection.

Seven Kingdoms, designed by Trevor Chan, brings a blend of Real-Time Strategy with the addition of trade, diplomacy, and espionage. The game enables players to compete against up to six other kingdoms allowing players to conquer opponents by defeating them in war (with troops or machines), capturing their buildings with spies, or offering opponents money for their kingdom.

Kobo Deluxe is an enhanced version of Akira Higuchi's XKobo graphical game for Un*x systems with X11.

Chroma is an abstract puzzle game. A variety of colourful shapes are arranged in a series of increasingly complex patterns, forming fiendish traps that must be disarmed and mysterious puzzles that must be manipulated in order to give up their subtle secrets. Initially so straightforward that anyone can pick it up and begin to play, yet gradually becoming difficult enough to tax even the brightest of minds.

Tux Paint Config is a graphical configuration editor for Tux Paint.

DSDA-Doom is a Doom source port and successor of PrBoom+, with extra features for demo recording/playback and quality of life. In particular, its features include support for the Heretic, Hexen, MBF21, Doom-in-Hexen and UDMF map formats, MAPINFO support, full controller support, debug and scripting features, rewinding, and a strict mode for speedrunning.

OpenRiichi is a client for playing Japanese Mahjong, and it supports singleplayer and multiplayer, with or without bots. It features all the standard riichi rules, as well as some optional ones. It also supports game logging, so games can be viewed again.

Glulx is a 32-bit portable virtual machine intended for writing and playing interactive fiction. It was designed by Andrew Plotkin to relieve some of the restrictions in the venerable Z-machine format. This is the reference interpreter, using the Glk API.