Start building on Google Cloud with $300 in free credits. No commitment, no credit card required until you're ready to scale.
Launch your next project with $300 in free Google Cloud credits—no strings attached. Test, build, and deploy without risk. Use your credits across the entire Google Cloud platform to find what works best for your needs. After your credits are used, continue with always-free tier services. Only pay when you're ready to scale. Sign up in minutes and start exploring.
Start Free Trial
Stop vibe-debugging.
Plug Claude into your app's actual errors.
AppSignal's MCP server hands Claude, Cursor, or Zed your real errors, traces, and the deploy that shipped them. AI writes the fix; you review the diff.
Clockwork Universe is a generic "distributed-virtual-universe" game development and hosting platform, biased towards adventure games (rather than e.g. 3D shooters). It's mainly an integration and service abstraction framework (without gfx., physics et
pSmunli is another opensource Physics SiMUlatioN LIbrary in 3D environment. To perform more realistic simulation on your application(such as game and scientific simulation). It supports OpenGL and DirectX.
Transit Network is a 3Dgame written in Java. The gameplay is based on a game by Chris Sawyer called Transport Tycoon Deluxe. The aim of the game is to build a network of trains, vehicles, aircraft, and ships to carry passengers and distribute cargo.
Portable game engine intended for game development.
Include portable 3D-engine for at least DirectX and OpenGL, physics and sound simulation engines, and scripting engine for AI.
A 3D space exploration game that will give you the chance to explore a solar system, develop trade routes between planets and more. The game is powered by the GLScene 3D engine for Delphi.
World Foundry is a 3D level game engine and asset production pathway with over 170,000 lines of code. Originally a commercial product, now released under the GPL. Designed from the beginning to be cross-platform, runs on windows, working on linux port.
Based on a C++, crossplatform (Linux and Windows for now) OpenGL 3D engine, this game aims to combine the intellectual interest of open-ended space simulations with the action-oriented fun of first person shooters.
The Labyrinth-Game implemented in OpenGL using PyOpenGL. Your goal is to maneuver a metall-ball through a parcour made up of walls and holes. Winner is who manages the parcour quickest without falling into a hole!
OpenMatrix is going to be a universal game engine that will allow for unlimited map sizes, the more servers there are the bigger the map can be. Users will be able to drive fly walk shoot etc all in the same game. There will also be an editor.
Coronasphere is an open-source multiplayer 3D space combat simulation game with strategic elements, running both under Win32 and Linux.
Major 3D features include hardware-accelerated multitexturing, particle effects, bump maps and t&l.
"Pigs Might Fly" is a 3D flying game for a motion pod, which we are developing as part of our 3rd year Computer Science game project at the University of Bristol, UK.
The game is basically a flying racer, but with a comedy/cartoon style.
Panzer is a game where you command a tank and try to take out your enemies. It uses an advanced physics simulation model and is playable over the internet (2-4 players recommended).
Basicaly gar3d is a RTS... but you don\'t have control over your smaller units, but you can order your officers with high level commands like fallback and rush. Also this game is a RPG with your officers gaining stats and levels.
Massive Online Role Playing game in a massive 3D space universe.
The ability for players to trade, land on planets and talk with virtually anyone you meet. Also the ability to completly customize your ship down to the smallest detail offers a new flexibi
Robugs are 'robotic bugs' whose behaviour is controlled by user-designed circuits. It's an educational tool as much a game, and provides a richer simulation than other similar programs. The project is being written in Java (JDK 1.5/J3D 1.3)
Our goal is creating an Open Source, freely distributable game env for designing and playing RTS and turn based games. Our engine will have 2D and 3D viewers. Maps will be 2D w/terrain but can link forming a larger simultaneous playing environment.
VTSystem is a 3D (Action) Adventure engine where each character can go about his(her) own affairs independent of your actions, where you can experience 'real world' environments! Uses the Nebula Device. For more information, take a look at the homepage
The SquadX Turn-Based Engine is a game engine for aiding the development of tactical turn-based combat simulations (like the XCOM(tm) series). The project is being developed in C++, using OpenGL, GLUT, and SDL. It will have versions in Linux and Windows.
3D space trade / action / colonization game seen from eyes of your player/cockpit . longterm : complex features in all aspects of game,
multiplayer. Generally every can join , more good people = better.
Big Iron is (or will be) a real-time, 3D, first person game of mechanized combat set in the far future. Players build, customize and operate massive anthropomorphic robots on realistic large scale battlefields in single or multiplayer mode.