Top similar games like Kobold Underground Agency:

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.

Improvise fuel efficient trajectories to keep your rusty ship running. Break into a space station with an asteroid. Tow a sofa into a black hole. Experience the perils and intrigue of space exploration with 1-4 players.

I love ragdolls and I love physics, so I thought I would mush the two together with a level editor and make a cool sandbox game for people to play around in. Currently, there is a very basic JSON-based level editor and 20 pre-built levels.

A 2D space agency simulator where every object follows the same orbital physics. Land on moons, build colonies, deploy satellites, and reshape entire planetary systems. Deorbit a moon if you want.

Build rockets and fly them around the Solar System in this realistic aerospace sandbox. Attempt landings, build space stations, drive rovers, perform spacewalks, explore alien worlds, and get your crew home safe.

Unleash your engineering creativity with an engaging and fresh bridge-building simulator with all the bells and whistles. Enjoy hours of physics-based puzzle solving in the Campaign and then jump in the Sandbox to create your own bridge designs and puzzles!

Create and destroy on a scale you’ve never imagined!

A hero thing, a monster thing, a robo thing… in Mini Maker, you can make any ‘thing’! Use an arsenal of plastic limbs, wonky tools, rainbow stickers and googly eyes to assemble creations, please demanding clients, and laugh in the face of perfectionism.

Marble World is a physics sandbox simulator with marbles. Create your own marble races, runs and machines. Customize a variety of tracks, decorations and marbles to create a beautiful world.

A bright afternoon, perfect weather. With your parents away, you’re left with a rocket toy you received as a birthday gift. Build your own rocket and launch it high into the sky! Enjoy delicious homemade meals and work part-time jobs to upgrade your rocket. Can your rocket reach outer space?

In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.

Enter the Aperture Science Enrichment Center and experience Bridge Constructor Portal – the unique merging of the classic Portal™ and Bridge Constructor™ games.

Take part in a space program. Design spacecrafts and send them off to explore the vast expanses of space. Experience the real scale of the Solar system and the size of its celestial bodies.

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?

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.

Become a pioneer of spaceflight. As an engineer in the Soviet Space Program you will be responsible for repairing, fixing and building the iconic spacecraft and rockets from the R-7 family.

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!

Physics sandbox game that uses a graphics card as a supercomputer. Change the laws of physics, design mechanisms, create A-Life worlds and inhabit them with living beings, experiment with evolution and AI.

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.

The acclaimed bridge-building indie-hit is back! More levels, more features, more physics fun!

I Am Cat - a unique virtual reality game, there's nothing like it in the world! A sandbox adventure centered around a Cat protagonist bearing. A captivating journey where you embrace the role of a Cat. Immerse yourself in a world brimming with diversity and excitement, awaiting your exploration.

Explore Earth in stunning detail! Fly through realistic atmosphere, discover landmarks with AI guide, and experience our planet like never before.

Meco Rocket Simulator is a realistic physics game where you play as an underpaid rocket scientist working for Mecodyne to design and test rocket engines without regard for your safety.

The world's most accurate goblin simulation! Run and jump a ragdoll goblin through this hilarious physics adventure! Gobland is in trouble! Find the lost cogs, restore power, and become goblin royalty! Alone- or with a friend in split-screen, there's no stopping the BIG GOBLIN ENERGY!

Star Paws is a space simulator with sandbox elements. In this game, you play as an astronaut cat. Your goal is to develop your own space program. Build a spacecraft from a variety of components and venture in search for a strange signal coming from a distant deep corner of the Solar System!

Build your own vehicles or download one of the more than 200,000 creations already uploaded to the Workshop and experience the dynamic driving and destruction physics of Brick Rigs!

Bloxiti is a photorealistic builder where you snap and stack blocks to craft cozy cabins, massive megastructures, or peaceful dioramas.

As an Ethereal Estate agent, your job is to make a mess out of a mansion and its helpless inhabitants. Never before has a ghost unleashed such devastating chaos... until now!

Master spaceflight and progress through realistic orbital mechanics challenges of increasing complexity. Plot maneuvers to coordinate transfer orbits, gravity assists, and high-stakes rendezvous.

You are a Scraponaut, create your own spaceplane with unique parts each affecting the way your plane behaves. Collect scrap while exploring procedurally generated islands, unlock and discover unique new parts to upgrade your spaceplane.

Blast your enemies, extinguish fires, clean up, repair, recycle and explore where no one has screwed up before! Team up and face swarms of foes as you pilot your way through a procedurally generated galaxy. Save the Multiverse in Hyperspaced, a chaotic co-op space action game for 1-4 players!

Build your way to the sun in this cozy, creative sandbox platformer! Stack blocks, unlock powers, wear silly hats, and play solo or in 2-player couch co-op.

Play as Peep, a mischievous pigeon exploring a chaotic sandbox city while searching for your lost flock and causing maximum bird-brained mayhem.

Rocket Engineer is a simulation game about designing and launching your rockets to explore and colonize other worlds. Rocket Engineer offers a gameplay focused on orbital mechanics and colony building.

The ultimate physics-based party / sandbox game for you and up to 4 friends! Steal your friend's limbs as they hobble after you, strap balloons to NPCs and watch them fly away, or even land a plane on a moving train! Explore fun minigames from skating, cooking, racing, to farming and mining!

Embark on an epic journey through uncharted galaxies. Build new space civilizations, and fight for the future of the species in this pixel art space strategy game.