side-scrolling dogfighting game

triplane

side-scrolling dogfighting game

Triplane Classic is a side-scrolling dogfighting game featuring solo missions and multiplayer mode with up to four players. It is a port of the original Triplane Turmoil game for DOS and aims to match the original game exactly so that high scores remain comparable to the original.
Extended TicTacToe game for GNUstep

gomoku.app

Extended TicTacToe game for GNUstep

Gomoku is an extended TicTacToe game for GNUstep. You win the game if you are able to put 5 of your pieces in a row, column, or diagonal. You lose if the computer does so before you. You can play the game on boards of different size. The game has 6 different difficulty levels.
The title screen of the game.

geneatd

Multi-touch tower defense game

crayon based physics puzzle game

numptyphysics

crayon based physics puzzle game

Numpty Physics is a drawing puzzle game in the spirit (and style?) of Crayon Physics using the same excellent Box2D engine. It melds cute schoolbook-style graphics with a kind of realistic physics engine.
In-game

anagramarama

fast paced anagram puzzle game using SDL

Multiplayer online game set in a fantasy world

runescape

Multiplayer online game set in a fantasy world

This software is a simple script that downloads and runs the Old School Runescape client file on unofficial GNU/Linux distributions.