Medieval Engineers is a sandbox game about engineering, construction and the maintenance of architectural works and mechanical equipment using medieval technology. Players build castles; construct mechanical devices and underground mining. There is an entire planet to explore!

Lay of the Land is a sandbox adventure game set in a fantasy world where everything is physically simulated. Use the environment to your advantage and Explore, Fight, Loot and Build your way through mysterious lands.

Bum Simulator is a sandbox game bursting with inappropriate humor and memorable characters. You live on the streets of Bumsville. Do you have what it takes to adapt, survive and become an urban legend?

Use the Nimbatus Drone Creator to construct physically simulated drones and try them out in a virtual testing environment. Do you have what it takes to become a drone engineer?

Hello! Captain! “Sea Of Craft” is a sandbox ocean-building game with realistic physics simulation. In “Sea of Craft”, you can build your exclusive ship with hundreds of materials, and explore intriguing stages on planet Beella as well as adventures of wonders in the great ocean!

Stranded on a desert island, explore, craft, build and fight in this action survival game!

Deliver At All Costs is a thrilling action game where destruction, absurdity and intrigue collide! Step into the shoes of Winston Green — a down-on-his-luck courier with a fiery temper and a mysterious past — as he delivers highly unconventional cargo, leaving a trail of havoc and chaos behind him.

Welcome to Keplerth! Try to survive on a hostile alien planet in this 2D sandbox RPG, where you can choose to live alone or fight side by side with your friends in the online multiplayer mode. Survive, build, farm, fight, and explore your way to victory in this open-world adventure!

3030 Deathwar is a unique mix of Adventure and Space Sim. Explore star systems, mine and hunt pirates in top-down mode. Leave your ship and switch into classic Adventuring mode, where you explore derelicts, talk to shady characters or head over to the space bar for a drink.

Dieselpunk Wars: Prologue is a free version of an epic vehicle building game, focused on combat with advanced physics and damage simulation. Use over 140 elements to build an awesome war machine. Build vehicles that ride on the ground, soar through the skies, or dive underwater. Prepare for combat!

Enter the creative paradise of Scrap Mechanic! Build fantastic machines, go on adventures with your friends and defend against waves of evil Farmbots in this imaginative multiplayer survival sandbox. With Scrap Mechanic’s powerful creation tools you can engineer your own adventures!

Open world multiplayer sandbox/RPG game. Explore, gather, build, research, and fight to protect what's yours -- by yourself or together with your friends.