Prism Launcher is a custom launcher for Minecraft that focuses on predictability, long term stability and simplicity.Features:Easily install game modifications, such as Fabric, Forge and QuiltEasily install and update modpacks from the LauncherControl your Java settings, and enable Mangohud or Gamemode with a toggleManage worlds and resource packs from the launcherSee logs and other details easily through a dashboardKill Minecraft in case of a crash/freezeIsolate Minecraft instances to keep everything cleanInstall and update mods directly from the launcherCustomize the launcher with themes, and moreAnd cat :3

Prism Launcher

A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once

Minetest is an infinite-world block sandbox game and game engine.Players can create and destroy various types of blocks in a three-dimensional open world. This allows forming structures in every possible creation, on multiplayer servers or in singleplayer.Minetest is designed to be simple, stable, and portable. It is lightweight enough to run on fairly old hardware.Minetest has many features, including:Ability to walk around, dig, and build in a near-infinite voxel worldCrafting of items from raw materialsFast and able to run on old and slow hardwareA simple modding API that supports many additions and modifications to the gameMultiplayer support via servers hosted by usersBeautiful lightning-fast map generator

Minetest

Multiplayer infinite-world block sandbox game

Welcome To Veloren!Veloren is a multiplayer voxel RPG written in Rust. Veloren takes inspiration from games such as Cube World, Minecraft and Dwarf Fortress. The game is currently under heavy development, but is playable.DevelopmentCurrently the communication of contributors happens mainly on our official Discord server (https://discord.gg/kjwJwjK). You can join it to keep up with the development, talk to us or contribute something yourself. Anyone who shows genuine effort to help is welcome in our team. You don't have to know how to program to contribute!

Veloren

Veloren is a multiplayer voxel RPG written in Rust. It is inspired by games such as Cube World, Legend of Zelda: Breath of the Wild, Dwarf Fortress and Minecraft.

OpenRCT2 is an open-source re-implementation of RollerCoaster Tycoon 2 (RCT2). The gameplay revolves around building and maintaining an amusement park containing attractions, shops and facilities. The player must try to make a profit and maintain a good park reputation whilst keeping the guests happy. OpenRCT2 allows for both scenario and sandbox play. Scenarios require the player to complete a certain objective in a set time limit whilst sandbox allows the player to build a more flexible park with optionally no restrictions or finance.OpenRCT2 features many changes compared to the original RollerCoaster Tycoon 2 game. A few of them are listed here.User Interface theming.Fast-forwarding gameplay.Multiplayer support.Multilingual. Improved translations.OpenGL hardware rendering.Various fixes and improvements for bugs in the original game.Native support for Linux and macOS.Added hacks and cheats.Auto-saving and giant screenshots.Original RollerCoaster Tycoon 2 or RollerCoaster Tycoon Classic game files are required in order to play OpenRCT2.

OpenRCT2

A construction and management simulation video game that simulates amusement park management

Have you ever wanted to blow something up? Or maybe you always dreamt of operating an atomic power plant? Do you have a will to develop your own CPU? The Powder Toy lets you to do all of these, and even more!The Powder Toy is a free physics sandbox game, which simulates air pressure and velocity, heat, gravity and a countless number of interactions between different substances! The game provides you with various building materials, liquids, gases and electronic components which can be used to construct complex machines, guns, bombs, realistic terrains and almost anything else. You can then mine them and watch cool explosions, add intricate wirings, play with little stickmen or operate your machine. You can browse and play thousands of different saves made by the community or upload your own – we welcome your creations!There is a Lua API – you can automate your work or even make plugins for the game. The Powder Toy is free and the source code is distributed under the GNU General Public License, so you can modify the game yourself or help with development.

The Powder Toy

Explore other star systems. Earn money by trading, carrying passengers, or completing missions. Use your earnings to buy a better ship or to upgrade the weapons and engines on your current one. Blow up pirates. Take sides in a civil war. Or leave human space behind and hope to find some friendly aliens whose culture is more civilized than your own...Endless Sky is a sandbox-style space exploration game similar to Elite, Escape Velocity, or Star Control. You start out as the captain of a tiny spaceship and can choose what to do from there. The game includes a major plot line and many minor missions, but you can choose whether you want to play through the plot or strike out on your own as a merchant or bounty hunter or explorer.

Endless Sky

FlightGear allows you to control over 400 aircraft, small and large in a range of situations, types of weather, seasons, day and night cycle. This includes single-engine propeller aircraft, large 4-engine passenger liners, experimental aircraft, classic and vintage aircraft and helicopters.The FlightGear landscape covers the entire world and is downloaded as you fly. Visit any of the 20,000 airports with an accurate representation of airport buildings on many of the larger, international airports.Most popular flight control hardware, such as yokes and sticks are supported. Multiple monitor setup and multiplayer is also featured.

FlightGear

A free and highly sophisticated flight simulator

OpenTTD is an open source simulation game based upon the popular Microprose game "Transport Tycoon Deluxe", written by Chris Sawyer. It attempts to mimic the original game as closely as possible while extending it with new features.

OpenTTD

Open source simulation game based upon Transport Tycoon Deluxe

Do you love playing billiards, or have you ever wanted to learn how to play? This game lets you have the experience of playing pool and other similar games right from your home. It’s simple to learn and use, yet highly realistic. This app is a great tool for both playing for fun and improving your game.

Billiards

Free Train Simulator for everyone - Licensed under GPL 3.0

Libre TrainSim

Augustus is an open source re-implementation of Caesar III with changes to gameplay.The aim of this project is to provide enhanced, customizable gameplay to Caesar 3 using project Julius UI enhancements.Support for widescreen resolutionsWindowed mode support for 32-bit desktopsSeveral small in-game quality of life improvementsZoom controlsRoadblocksMarket special ordersPartial warehouse storageIncreased game limitsAugustus requires the original assets (graphics, sounds, etc) from Caesar 3 to run. It optionally supports the high-quality MP3 files once provided on the Sierra website.

Augustus

Augustus is an open source re-implementation of Caesar III with changes to gameplay

Pioneer is a space adventure game set in our galaxy at the turn of the 31st century.The game is open-ended, and you are free to eke out whatever kind of space-faring existence you can think of. Explore and trade between millions of star systems. Turn to a life of crime as a pirate, smuggler or bounty hunter. Travel through the territories of various factions fighting for power, freedom or self-determination. The universe is whatever you make of it.Pioneer is under constant development and has a friendly community of players, modders and developers around it. We'd love for you to try it and make part of the galaxy your own!

Pioneer

Julius is an open source re-implementation of Caesar III.Julius is a fully working open-source version of Caesar 3, with the same logic as the original, but with some UI enhancements, that is able to be played on multiple platforms. The same logic means that the saved games are 100% compatible, and any gameplay bugs present in the original Caesar 3 game will also be present in Julius.Support for widescreen resolutionsWindowed mode support for 32-bit desktopsSeveral small in-game quality of life improvementsJulius requires the original assets (graphics, sounds, etc) from Caesar 3 to run. It optionally supports the high-quality MP3 files once provided on the Sierra website.

Julius

Julius is an open source re-implementation of Caesar III

CorsixTH aims to reimplement the game engine of Theme Hospital, and be able to load the original game data files. This means that you will need a purchased copy of Theme Hospital, or a copy of the demo, in order to use CorsixTH. After most of the original engine has been reimplemented in open source code, the project will serve as a base from which extensions and improvements to the original game can be made.

CorsixTH

Unknown Horizons is a 2D real-time 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.

Unknown Horizons

Open Source Real-Time Economy Simulation Game

A sand simulation gameFor a list of keyboard controls visit https://github.com/JMS55/sandbox#controls

Sandbox

Construo is a programm for constructing wire-frame objects and let them react to physical forces, it is neither a real simulation nor a real game, it is just a little toy app which can be a nice way to waste time.

Construo

You drive a toy wood engine in many levels and you must collect all the coaches to win. Full-featured: Colorful animated wood engine, 50 levels, 3 beautiful music tracks and many sound effects.Ri-li is translated in 19 languages: Arabic, Breton, Chinese, Dutch, English, Esperanto, French, German, Hungarian, Italian, Japanese, Korean, Polish, Portuguese, Russian, Slovak, Spanish, Swedish and Turkish.

Ri-li

Windstille is a cinematic platformer in which the player will be placed in a foreign alien world and has to find its way back into safety.This edition is a short, but fully playable, early version of the game.

Simulation