Top similar games like Mech It Happen:

Real gears that don't slip in a mechanical invention sandbox. Build freely with resizable parts and shapes, overcome physics challenges, and follow kit instructions. Unleash your engineering creativity with intricate clockwork contraptions, steam-powered systems, and fully functional circuits.

Build and fly your own airplane! Complete missions to earn money, upgrade your plane, and discover new locations in an open world.

Do whatever you want in a physics sandbox full of chaotic destruction, endless player-made creations and unpredictable adventures. Build, destroy, roleplay and mess around solo or with friends!

Dumbino is a funny chaotic physics-based puzzle game where you topple dominoes with explosions, wild chain reactions, and pure madness. Embrace the epic goofy mayhem as you create and solve unhinged levels. Build and share your craziest designs and custom levels with the community!

Build the ultimate vehicle and explore a vast open world filled with challenges and adventure. Play solo or team up with friends in multiplayer to conquer the toughest obstacles. With a thrilling campaign mode and endless creative possibilities, Trailmakers is the ultimate sandbox for adventurers.

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!

Plasma is a pure engineering sandbox. Use advanced visual programming and robotics tools to create anything you can imagine.

"Falling sand" style particle sandbox, now with circuits and stickmen!

Scraps is a vehicle combat game where you can build your vehicle from functional parts, with design as your ally and physics as your accomplice. Compete against human or AI opponents in a combat arena, or build up your vehicle while fighting through Gauntlet mode.

World of Contraptions is a physics-based building game in which you build the most varied contraptions to solve the most diverse types of puzzles. Win dozens of levels with different types of obstacles. Design the best contraption for each challenge using a giant collection of blocks.

Blow stuff up! Part casual destruction simulator, part fiendish puzzle game. Destroy the structures, sink the grumpy blue blocks and save the gems to rise to the top of the tower. Physics-based puzzle solving or create and share online your own designs. 1P or online multiplayer for up to 4 friends.

Besiege is a physics building game about constructing medieval machines to annihilate armies, obliterate castles and overcome challenging obstacles. Conquer the campaign or skirmish with friends in Multiplayer!

Tinker with circuits or program a robot in your dream workshop. Open up the door of your workshop and meet your community in Wijita: City of Makers.

Your company is going global. Use big machines to demolish huge buildings or go close and personal and use your hammer. Buy land properties, upgrade your machines and hire workers in different parts of the world.

The future of flight simulation is now! X-Plane 11 is the detailed, realistic, and modern simulator you’ve been waiting for. Intuitive user interface, 3-D cockpits, new effects, 3-D sound, living airports and world-wide scenery.

Bring to life anything you can imagine from rockets and airplanes to cars and more. Automate them with a visual programming language. Explore 3D planets and make your own. Share your creations online. Complete contracts, conquer milestones, and unlock technology in the newly added Career Mode.

Physics based combat game where you design a robot and fight in the arena. Crush, flip, pierce, burn and cut your opponents till the last part. Create superior fighting machines and dominate the arena.

Balsa is a detailed Model Flight Simulator with a powerful editor where you can design, build, fly and battle with model aircraft. Developed by the creator of Kerbal Space Program, Balsa is a virtual flight experience like no other.

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!

Physics-based sandbox game where you build wacky machines to solve environmental puzzles. Create alloys from a mix of metals to reinforce your builds, recruit koalas to operate your weapons, solve puzzles to get rewarded with parts and weapons, and save the island from the erupting volcano!

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!

Build your robot. Battle your robot. Robot Rumble 2 is the premier robot combat building simulator, where you create your robot from real-world inspired parts, then drive it in the arena to defeat other robots.

HoverCraft combines vehicle crafting and base-building. Play solo or team up, create unique hovercrafts, explore a large world for resources, refine them into valuable goods for higher profits, and upgrade your base. Defeat enemies guarding rare resources and keep your base safe!

Crazy physics and high-speed races! Craft vehicles cleverly by combining building blocks and mechanical parts to create powerful drivetrains. Unlock new parts, race for the gold, and challenge your friends in multiplayer.

Build incredible machines with scrap parts, navigate the wildest Amusement park rides and challenge iconic creepy Neighbor and his evil bots! Become a true Engineer, solo or with friends!

Mine resources, build your spaceship, and soar through the skies in this immersive space sandbox. Wire complex machinery to survive the elements, and craft the StellarDrive: a powerful engine that lets you travel faster than light.

Craft the most epic marble runs you can imagine! Create crazy chain reactions with physics, pinballs, and tons of other gadgets. Invent your own trigger-based contraptions and watch your marbles race!

Car racing game with soft-body damage, race track builder, track database and multiplayer

Make your own games in this powerful sandbox building engine. Vehicle simulators, first person shooters! No coding knowledge required, create games using blocks and then publish them online for others to play. BUILD IT, PLAY IT, SHARE IT!

Become a ragdoll and create your own environments in Sandbox Mode, explore worlds created by others, or just flop around your destructible sets! Fun with Ragdolls®: The Game lets you enjoy everything you love about ragdolls!

Destructive Contraptions is a physics sandbox where you build crazy machines out of dominoes, cannons, and pivots to trigger massive chain reactions. Design chaotic inventions and demolish giant cities, all without worrying about real world laws or life threatening liabilities.

A pixel-physics sandbox. Fifty materials, and every one of them is physics: sand finds its angle, water freezes, lava crusts into stone, gunpowder blows. Build your own materials and worlds, and share them in the Workshop.

You’re the designer, engineer and architect if you can imagine it you can create it! Construct robots of any shape or size from eight-legged spider bots to eerie UFO contraptions.

Reactonix is a flexible and enjoyable simulation sandbox where every force is at your command. Create ecosystems alone or with friends, experiment with physics and watch life evolve—or start an apocalypse for the sake of science. Complete freedom to create and destroy is in your hands.

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?

Design a structure, choose your materials, and put it through earthquakes, heavy loads, and brutal impacts. Protect the objective, find the weak points, and rebuild after every spectacular collapse. The only question is: Will It Stand?