Moddable

Modern Casino Tycoon Simulation in full 3D glory. Build the casino. Set the odds. Expand into a luxury hotel/casino or go cheap & extract max profits. Keep the vault secure at all times, and beware of criminals & cheaters!!

PixPhys is a 2D engineering sandbox with huge technical possibilities and scope for imagination: design equipment from a jet-powered cart to space stations.

Create your own level with your friends online in the sandbox mode, play the mini-games, ragdoll, drive a car, fly with a Jetpack, fart to go higher, throw grenades. Access more than 45 items to build your own level.

Explore a fantasy ocean-punk world, braving the deep with steam-powered marvels. Discover mysterious underwater treasures, but scarcity and ecological crises test survival. Rise, build, confront foes in this pixel-art ocean survival journey!

Open Wheel Manager - is a management sim for open wheel racing fans.

Explore vast, forgotten lands, cryptic abandoned ruins, and mysterious caverns, in this open-world voxel action-RPG. Create your own uniquely crafted class. Build multiplayer dungeon, PvP, or siege experiences. Run, vault, and leap effortlessly across endless wilderness, or delve deep underground.

Relive the pioneering spirit of the Golden Age of Steam by establishing your own railroad empire across 19th century North America. Bring settlements together, produce and trade goods and develop new technologies to stay ahead of the competition. Want more? RAILROAD CORPORATION 2 Out Now!

A complex but not difficult voxel automation game with belts, trains, teleports, and even catapults for transport. Achieve efficiency through smart water control. Play with or without enemies. Produce materials and fuel for a spaceship. Deal with the toxic side effects. Can you Revive & Prosper?

Star Control is a space role-playing game in which you command Earth's first interstellar starship on a mission to save the Earth from hostile alien empires.

Part gunsmith part store front simulator. Restore and build guns, sell guns, don't sell guns. Punch crooks. Makes you feel like you clocked into work. Bleeding eye UI. Smallest buttons in the biz.

A fully moddable city sandbox with jobs, NPCs, apartments, garages, gangs, and more. Broke Protocol is an open-world action game focused on roleplaying and custom content. Define your goals and identity in a persistent, reactive world where you write your own story.

Space Engineers 2 is a playable Early Access Alpha sandbox focused on engineering, exploration, and colonization in a fully destructible universe. Design and build ships, stations, and planetary bases while uncovering the story of Miro and Ivan Sokol. Help shape the future of the Almagest system.