Moddable

Shoot, stab, burn, poison, tear, vaporise, or crush ragdolls in a large open space.

Feeling like the computer desktop is too dull? Need something cute to heal oneself? Come and try this new completely free and open source V-Pet simulator. A cute and adorable pet that supports various feeding interactions to accompany you in game learning is definitely your best choice!

Honk, blow, & toot your way through over 60 songs, collect all 50 unique Tromboner Cards, and uncover the mysteries of the Trombiverse. Do you have what it takes to become the true Trombone Champ?

Extensions for Dwarf Fortress, including bugfixes, interface improvements, automation agents, design blueprints, modding building blocks, and other tools.

The Powder Toy is a classic physics sandbox game, which simulates air pressure and velocity, heat, gravity and a countless number of interactions between different substances

Set in the zombie apocalypse, Left 4 Dead 2 is a co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.

Travel across Europe as king of the road, a trucker who delivers important cargo across impressive distances! With dozens of cities to explore, your endurance, skill and speed will all be pushed to their limits.

A dynamic soft-body physics vehicle simulator capable of doing just about anything.

A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.

Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. Experience the landmark first-person shooter packed with immersive world-building, boundary-pushing physics, and exhilarating combat.

Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world. Use your imagination to design your factory, combine simple elements into ingenious structures, and finally protect it from the creatures who don't really like you.

Experience legendary American trucks and deliver various cargoes across sunny California, sandy Nevada, and the Grand Canyon State of Arizona. American Truck Simulator takes you on a journey through the breathtaking landscapes and widely recognized landmarks around the States.