Open Source Desktop Operating Systems Simulation Games

Simutrans is a cross-platform simulation game where players try to successfully manage transportation systems between places by land, air, and water for passengers, mail, and goods. Planes, ships, trains, trams, trucks, buses, or monorails are at your disposal, but factories operate based on contracts and passengers can only travel to their set destinations.

2025 UPDATE: we have finally moved to Git! https://forge.a-lec.org/speed-dreams/speed-dreams-code/ This SourceForge project will be kept as a read-only archive and will be eventually removed! Speed Dreams is a Motorsport Simulator featuring high-quality 3D graphics and an accurate physics engine, all targeting maximum realism. Initially forked from TORCS, it has now reached a clearly higher realism level in visual and physics simulation, thanks to its active development team and growing community. It mainly aims to implement exciting new features, cars, tracks and AI opponents to make a more enjoyable game for the player, while constantly pushing forward visual and physics realism. It is also intended for any research, study or teaching activity, around physics and AI, thanks to its GPL V2+ license, and the clear and modular architecture of its C/C++ code base.

TORCS, The Open Racing Car Simulator is a highly portable multi platform car racing simulation. It is used as ordinary car racing game, as AI racing game and as research platform. It runs on Linux (x86, AMD64, ARM and PPC), FreeBSD, OpenSolaris and Windows.

OpenTTD is an open source transport simulation game based on the popular game Transport Tycoon Deluxe by Chris Sawyer, with several additions. OpenTTD is as close to the original as you can get, but has been extended with plenty of great features. These include bigger maps (up to 64 times bigger than the original), stable multiplayer mode that allows for up to 255 players in 15 companies, in-game downloading of heightmaps, AIs, scenarios, and so much more. With its many additions and improvements players are sure to have a greatly enhanced gaming experience. Try it for yourself!

An OpenGL Billard Game based on foobillard 3.0a with patches, new features (hud, jumpshots, correct detection of lost balls, more sound and graphics etc). Optimized for touch. New designed mouse / touch-control. On Facebook: www.facebook.com/Foobillardplus Some Videos: http://www.youtube.com/user/foobillardplus/videos

CaesarIA is an open source remake of Caesar III game released by Impressions Games in 1998, it aims to expand the possibilities of the classical city-building simulators and to add new features showing the city life. Now the game work with Windows, Linux, Mac, Haiku and Android. The original Caesar3 game is needed to play openCaesar3. We start crowdfunding campaign for renew graphic set at www.igg.me/at/caesaria-game. Help us set new stage in good old Caesar.

OpenTTD is an open source clone of the Microprose game "Transport Tycoon Deluxe". For more recent versions visit our website: http://www.openttd.org

No Gravity is a fantastic and futuristic universe made of five intergalactic worlds. An arcade type game with great playability, where it is easy to plunge into space battles against spacefighters, space stations and more !

Eat the whistle GPL is a football simulation game written in C that works on many platforms (win32/linux/macosx/amigaos/morphos), it uses the SDL framework. It has a multiplayer internet playing option in alpha stage.

GLUI is a GLUT-based C++ user interface library which provides controls such as buttons, checkboxes, radio buttons, and spinners to OpenGL applications. It is window-system independent, using GLUT or FreeGLUT.

An OpenGL based 3D-game, emphasizing stunning graphics and interesting algorithms. Similiar to Rogue Squadron.

Scoreville is an interactive adult game only for Windows at Version 7. Visit bars and discos to pickup women and drive them to your apartment. Work-out at gym, make penis enlargement operations, receive cash from women, "earn" reputation points, work as security guard or bank manager and much more. Scoreville is only a game. No girls in it. You can make girlpacks with an editor. Visit our forum: http://scoreville.die-links-welt.de/board/index.php

Simulator of a one-armed bandit (slot machine) from developers from the Soviet Union. At the start, the player has 9995 monetary units, the casino - 10005. The goal is to ruin the casino. First, you need to place a bet (from 5 to 375), then press Enter, and the slot machine will start working, and so on over and over again. On the left there is a list of combinations that give different points.

RARS is the Robot Auto Racing Simulation, in which the drivers are robot programs. It is intended as a competition among programmers. It consists of a simulation of the physics of cars, a graphic display of the race, and a robot driver for each car.

spdrs60 is a graphical SRCP client to comfortably control a digital model railway. Visual appearance and usage comply to the original SpDrS60 German Federal Railway company locking table. A SRCP server (e.g. erddcd or srcpd) is needed as a hardware link. In cooperation with train controller dtcltiny (http://dtcltiny.sourceforge.net/) spdrs60 provides support for train automation.

Simulation of water waves on the X Windows desktop. Windows and mouse are like ships on the sea. Each movement of these ends up in moving water waves. You can even have rain and/or storm stirring up the water.

It´s a small project to test my Delphi-Skills... The Simulation will simulate the Mission Control of: -Mercury Atlas/Redstone -Gemini -Apollo 1/4/6/8/9/10/11/12/13/14/15/16/17 -Apollo-Sojus-Test-Program (ASTP) -Space Shuttle´s STS-Program -ISS U.S. Missions, russian Missions and Proton -and a "Easter-Egg": an ICBM test-Launch --- First it will be aviable in German, then in version 0.5 it will also be aviable in english. --- Sorry for my bad english, i am german ^^ --- UPDATE: I need ALPHA and BETA Testers!

Игра проста в управлении. Есть две режима: первый - астероиды появляются в случайном месте, и их надо сбивать. У вас есть 10 жизней и 15 пуль(за каждый сбитый астероид добавляется по 2). Чем больше астероидов сбито, тем больше скорость их появления. Второй режим отличается от первого тем, что астероиды появляются не в случайное время, а при уничтожении астероида. Чем больше уничтожил, тем больше скорость их полета.

OpenArena is a 3d game creation engine. It is a rendering system that can be used for more than just games but it is targeted at games. The basic use being create some game media textures models maps and config files for physics and rules.

You can download the Color Mod at the Biogenesis main site too (included in the main download now). You also find the sourcecode there. If you want to post a review, remember that this is only a modification, so comment on my changes, not on the simulation. Original project by Joan Queralt Molina: https://sourceforge.net/projects/biogenesis/ Includes Tyler Colemans "Features Mod": https://sourceforge.net/projects/biogenesisfeatu/ Biogenesis discussion forum: https://sourceforge.net/p/biogenesis/discussion/ Biogenesis runs faster (at least for myself) if you open a Google Chrome window (don´t know why :D)

3D Battle City is 3D remake version of classic Battle City game on NES

Come Back 64 is a software emulator for the Commodore 64 Computer running on various platforms.

Corewars is a simulation game where a number of programs try to crash each other. Corewars comes with a graphical user interface (GTK+) to display the running programs and statistics. Redcode is supported as well.

The IL-2 Selector is a tool which enhances the memory management of the game "IL-2 Sturmovik 1946". The game is written in Java, running on a J2SE 1.3.1 JVM. The standard setting utilizes less than 128MB RAM only, which was fine when the game was developed initially, but nowadays patches and mods lead to a situation where more memory is necessary to smoothly run the game. This tool gives the user the ability to easily setup different memory parameters. Additionally it features an advanced so called "wrapper" to run modded files within the game's runtime file system. This wrapper runs several hundred times faster than the initial wrapper.dll release by QTim and thus enables the users to run even heavily modded game installations without any significant performance impact. Last but not least, for fine-tuning the JVM memory usage, this selector features a dll code injection mechanism into the running JVM. This project is released under the DWTFYWWI Public Domain License.

OldSkool Gravity Game is lunar lander skillgame with twitch gameplay, it is designed to be hard, precise and unforgiving. All in glorious 70's style vector graphics.