Games like Modbox

Developed by the creator of the original Kerbal Space Program, KitHack Model Club is a physics-based model building sandbox that offers limitless freedom for you and your friends. Design, build, battle, fly (and crash!) your very own RC vehicles, or experiment with over 2,400 ready-made vehicles!

Dive into a sandbox full of action and customization! Choose from different game modes like deathmatch, conquest, king of the hill, zombie survival and many more. Create your own scenarios and content in the easy to use in-game editors or use one of the 50k+ workshop items from other players...

Do you like hot dogs? How about horseshoes? Hand grenades? (everyone likes hand grenades) Anyway, we've got all that, and guns. SO MANY GUNS. So if you like ordnance, meat, and far too many groan-worthy puns, this is the VR sandbox game for you.

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.

A VR sci-fi sandbox game where you can put your skills to the test to build crazy inventions, with mechanics analogous to real-life electrical engineering.

Put your engineering and problem solving skills to the test in this sandbox physics building game! Enjoy the freedom of completely gridless 3D sandbox building combined with hilarious ragdoll third person controls, offering a truly unique and hilarious "Enjeniring" experience!

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.

BattleWorks is an online PvP game where everything is physically simulated. Your body is animated by virtual muscles in a physics simulation. Use physical weapons to defeat your opponents in dynamic environments. Upload your own custom avatar and create or discover amazing community mods.

Ultimate Ragdoll Game is a Sandbox game without any limits. Have fun with ragdolls available in Steam Workshop and build your very own constructions using wide variety of blocks.

UNDERGROUND MECH FIGHTS! Wrap yourself in 5 tons of metal & go smashing through a dark scene of full-on metal-on-metal violence!

Build and fly realistic aircraft. Use free-form fuselage and wing editor tools and tune your engines to recreate aircraft from any era or design your own.

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!

POWDR is a high performance interactive particle sandbox featuring realistic fluids, sands, solids, interactions, and more! Every pixel is simulated. Every material interacts. Every experiment can become a catastrophe.

Gather resources, craft components, build vehicles, and code their logic in a physics-driven engineering sandbox and full scale space sim.

DAVIGO is a VR vs. PC physics-based battle game. Become the GIANT in VR or a small KNIGHT on PC and fight your friends in local or online matches. KNIGHTS play for free with DAVIGO KNIGHT'S PASS.

Raise a city from the ground up and transform it into a thriving metropolis with the most realistic city builder ever. Push your creativity and problem-solving to build on a scale you've never experienced. With deep simulation and a living economy, this is world-building without limits.

Send it your way in VMX. Ride BMX, MTB, or scooters, throw down gesture-based tricks, session parks with friends, take on challenges, and customize your ride and style in an immersive multiplayer VR playground.

Adorable spider chaos! Swing around the house, weave crazy structures, play with physics-based objects, and pull off chores with nothing but your webs and your wits in this madcap sandbox adventure.