Top similar games like Cartonfall: Fortress - Defend Cardboard Castle:

Build your own chain reaction machine without limitations, with various objects and as big as you want it to be.

Automate, Defend, Repeat: A combination of factory management and tower defense strategy. Build a planet-dominating factory, defend it from disgruntled resource-carrying monsters, and defeat a total of 6 bosses. Once you have done that, select a New Game + modifier and do it again!

Tower Builder is online Co-op or single player building and design game.

Embark on a captivating journey back to the roots of medieval conflict with Medieval Machines Builder - First Siege. This free-to-play simulation game offers a taste of the grandeur and challenges that await in the full game. Design, build, and destroy. Medieval lethal weapons await you!

Build a candy factory to defend against waves of candy creatures! A first-person tower defense factory building automation game. Manage productions, build candy turrets, expand the island, and beat the waves! The prologue for the full game!

Strategically build impenetrable towers & defenses, to endure the endless foes that emerge in the shroud of night. Each passing day is an opportunity to grow stronger. so take what you need from the environment. Gather, Craft, Survive, Defend, Thrive!

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!

Build a candy factory to defend against waves of candy creatures! A first-person tower defense factory building automation game. Manage productions, build candy turrets, expand the island, and beat the waves!

Build your dream Chocolate Factory among candy cane forests and gumdrop hills to produce the tastiest sweets. A delicious first-person factory automation game with a little exploration and combat. Confectionary conveyor belt heaven awaits!

Change your playground into a battlefield. Square off against an out-of-control 3D Printer with an army of your old-school toys, and stop the Plastic Rebellion!

The ultimate block building game.

Demomen Ltd. allows you to become an Outback Demolition Expert and manage your crew in some of the craziest demo jobs this continent has ever seen! Gear up, hire the most incompetent employees, have a cold one, and build your own demolition business! (Grog not included)

Bridge Constructor Studio is the latest in the best-selling series. Test your engineering skills in this physics-based puzzle game, combining the best of previous titles with a modern, charming visual style—the ultimate experience for creative builders!

Furniture World is a unique chance to become a handyman. Buy, repair and improve furnitures. Give them a second life and sell them at a profit!

Keyclash is a simple tower defense roguelike about building on keyboard keys and surviving as long as possible.

Turbo Dismount is a kinetic tragedy about Mr. Dismount and the cars who love him. It is the official sequel to the wildly popular and immensely successful personal impact simulator - Stair Dismount.

Raft™ throws you and your friends into an epic oceanic adventure! Alone or together, players battle to survive a perilous voyage across a vast sea! Gather debris, scavenge reefs and build your own floating home, but be wary of the man-eating sharks!

Darfall: Prolgue is a strategy survival city-builder with RPG elements. You lead your hero with a band of warriors to defend your settlement, explore the corrupted land and craft new items. Expand your settlement and defeat the darkness coming from everywhere.

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!

Welcome to the Red Planet! Mars Colonization Survival Simulator offers you the opportunity to take on the role of the first pioneers of Mars. You will find yourself in extreme conditions with limited resources and your mission is to build, develop, sustain and explore the mysterious Martian terrain.

Catlateral Damage is a first-person destructive cat simulator where you play as a cat on a rampage, knocking as much stuff onto the ground as possible.

3D simulator for dominoes fun! Place the dominoes on the board and hit play to watch them fall. Reset, save, or load games up to 8 slots available to show friends and family your domino designs and simulation!

Constructopia is a survival tower-defense game where you can design, build and craft your towers! Gather resources by hand or build systems aimed at automating your production! Build and maintain bases, design defense contraptions and use them to aid you in your adventure against the trolls!

Build your dream Chocolate Factory among candy cane forests and gumdrop hills to produce the tastiest sweets. A delicious first-person factory automation game with a little exploration and combat. Confectionary conveyor belt heaven awaits! The free prologue for the full game!

FIREWORKS MANIA is a small casual explosive simulator game where you play around with fireworks, create beautiful firework shows or just blow stuff up.

FortressCraft Evolved is a unique blend of Voxel Landscapes, Tower Defense, Crafting, Logistics, Exploration, Combat and Assembly lines. Players begin by crash-landing on a strange alien world, left with only a small handful of starting machines.

Super Inefficient Golf builds on top of the most inefficient game ever conceived by making it even LESS efficient. Drop your silly golf stick and start using exploding mines to guide your ball! Place them, choose the right timing, and BOOM - Birdie!

Construct charming toy towns and cities atop tiny terrain. Combine building blocks to create new megastructures. Test your skills in the physics-based Challenge stages or simply unwind and obliterate everything with an array of cute catastrophes!

Play with up to three companions and become the best shipwrights on this side of the globe! Explore and gather materials needed to build legendary ships! Soon they will call you a legend as well.

RealmCraft is the original Sandbox Game. Build Cubes & Explore 30+ Blueprint Worlds in 3D. Try to Survive & Use 100+ Types of Blocks to Build Your Unique Town.

Put together an obstacle course with wrecking balls, electrifying towers, mines, and all manner of contraptions and watch the poor contestants try their hardest to stumble their way to the finish with the most realistic humanoid physics system ever put in a video game.

The Wild Age is a micromanagement strategy game with tower defense gameplay mechanics. The game is designed mainly for a peaceful and relaxed gaming experience that offers a break from the busy realities of life.

Touch Grass is a brutal first-person parkour platformer set in a surreal, beautiful simulation created by Nova Ascension. Dash, double jump, and wall run through 13 unforgiving levels. No checkpoints. Just movement, madness, and the desperate need to escape.

Crash land on a hostile planet where you'll have to build the strongest defenses if you wish to live to escape from it. But be warned... this planet is merciless. Build strong, and smart; else physics may flood or destroy your only hopes of survival.

Force of Nature is a Sandbox game that combines Action, Adventure, RPG, Strategy and Management genres

Chaostower - Build and defend, a physics-based action puzzler. Build a tower from a whole bunch of different parts and prove it against several natural forces like earthquakes, wind and meteors. Defend your tower against artificial enemies, like robots, tanks, bomb-birds and many more.