Tennix is a 2D tennis game. You can play against the computer or against another player using the keyboard. The game runs in-window at 640x480 resolution or fullscreen.

Fifechan is a lightweight cross platform GUI library written in C++ specifically designed for games. It has a built in set of extendable GUI Widgets, and allows users to create more.

In this game you pilot a combat space ship to rescue your lost "vi" .swp files avoiding OS defenses. It contains several levels and the difficulty level is configurable on the command line. It can be played with a keyboard or a joystick. It is drawn mostly with lines, and supports various display modes.

Curse of War is a fast-paced action strategy game originally implemented using ncurses user interface. An SDL graphical version is also available.

Naev is a 2d action/rpg space game that combines elements from the action, RPG and simulation genres. You pilot a spaceship from a top-down perspective, and are more or less free to do what you want. As the genre name implies, you’re able to trade and engage in combat at will. Beyond that, there’s an ever-growing number of story-line missions, equipment, and ships; even the galaxy itself grows larger with each release. For the literacy-inclined, there are large amounts of lore accompanying everything from planets to equipment.

OpenTTD is a game in which you transport goods and passengers by land, water and air. It is a re-implementation of Transport Tycoon Deluxe with many enhancements including multiplayer mode, internationalization support, conditional orders and the ability to clone, autoreplace and autoupdate vehicles. This package only includes the game engine. When you start it you will be prompted to download a graphics set.

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

Tux Paint is a free drawing program designed for young children (kids ages 3 and up). It has a simple, easy-to-use interface; fun sound effects; and an encouraging cartoon mascot who helps guide children as they use the program. It provides a blank canvas and a variety of drawing tools to help your child be creative.

Barony is a first-person roguelike role-playing game with cooperative play. The player must descend a dark dungeon and destroy an undead lich while avoiding traps and fighting monsters. The game features randomly generated dungeons, 13 character classes, hundreds of items and artifacts, and cooperative multiplayer for up to four players. This package does not provide the game assets.

The Butterfly Effect (tbe) is a game that uses realistic physics simulations to combine lots of simple mechanical elements to achieve a simple goal in the most complex way possible.

GNU Typist is a universal typing tutor. It can be used to learn and practice touch-typing. Several tutorials are included; in addition to tutorials for the standard QWERTY layout, there are also tutorials for the alternative layouts Dvorak and Colemak, as well as for the numpad. Tutorials are primarily in English, however some in other languages are provided.

vcmi is an implementation of the Heroes of Might and Magic III game engine. It requires assets and game resources to play; it will look for them at ~/.local/share/vcmi folder.

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.

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.

PipeWalker is a simple puzzle game with many different themes: connect all computers to one network server, bring water from a source to the taps, etc. The underlying mechanism is always the same: you must turn each tile in the grid in the right direction to combine all components into a single circuit. Every puzzle has a complete solution, although there may be more than one.

Odamex is a modification of the Doom engine that allows players to easily join servers dedicated to playing Doom online.

GNOME Chess provides a 2D board for playing chess games against human or computer players. It supports loading and saving games in Portable Game Notation. To play against a computer, install a chess engine such as chess or stockfish.

Quadrapassel comes from the classic falling-block game, Tetris. The goal of the game is to create complete horizontal lines of blocks, which will disappear. The blocks come in seven different shapes made from four blocks each: one straight, two L-shaped, one square, and two S-shaped. The blocks fall from the top center of the screen in a random order. You rotate the blocks and move them across the screen to drop them in complete lines. You score by dropping blocks fast and completing lines. As your score gets higher, you level up and the blocks fall faster.

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.

Pilot your ship inside a planet to find and rescue the colonists trapped inside the Zenith Colony.

Freeciv is a turn-based empire building strategy game inspired by the history of human civilization. The game commences in prehistory and your mission is to lead your tribe from the Stone Age into the Space Age.

Flare (Free Libre Action Roleplaying Engine) is a simple game engine built to handle a very specific kind of game: single-player 2D action RPGs.

Blobwars: Metal Blob Solid is a 2D platform game, the first in the Blobwars series. You take on the role of a fearless Blob agent. Your mission is to infiltrate various enemy bases and rescue as many MIAs as possible, while battling many vicious aliens.

In the grand tradition of Marble Madness and Super Monkey Ball, Neverball has you guide a rolling ball through dangerous territory. Balance on narrow bridges, navigate mazes, ride moving platforms, and dodge pushers and shovers to get to the goal. Race against the clock to collect coins to earn extra balls. Also included is Neverputt, which is a 3D miniature golf game.