Games like Cartonfall: Fortress - Defend Cardboard Castle
If Cartonfall: Fortress - Defend Cardboard Castle is your kind of game, the closest matches are Idle Towers, Acucalypse and Dig or Die — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About Cartonfall: Fortress - Defend Cardboard Castle: Build your own cardboard fort and defend it against swarms of enemies. Gather resources, craft weapons and set traps. Be creative, improvise and experiment to win.

Players who liked Cartonfall: Fortress - Defend Cardboard Castle also play
Steam players who put hours into Cartonfall: Fortress - Defend Cardboard Castle also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
Idle Towers
WHY THIS
Top pick for Cartonfall: Fortress - Defend Cardboard Castle fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Cartonfall: Fortress - Defend Cardboard Castle.
An idle survival game with tower defense mechanics. Build your own perfect defese and face infinite waves of enemies!
Acucalypse
WHY THIS
Second-strongest match for Cartonfall: Fortress - Defend Cardboard Castle fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Cartonfall: Fortress - Defend Cardboard Castle.
Acucalypse is a management & strategy game where you will have to manage your resources in order to destroy the bunkers of your enemies and face their attacks. Build your bunker & planes with remains of human civilization and fill them with bombs to destroy your friend-emies!
Dig or Die
WHY THIS
Third-strongest match for Cartonfall: Fortress - Defend Cardboard Castle fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Cartonfall: Fortress - Defend Cardboard Castle.
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.
Medieval Engineers
WHY THIS
Ranked #4 for Cartonfall: Fortress - Defend Cardboard Castle fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Cartonfall: Fortress - Defend Cardboard Castle.
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!
The Riftbreaker
WHY THIS
Ranked #5 for Cartonfall: Fortress - Defend Cardboard Castle fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Cartonfall: Fortress - Defend Cardboard Castle.
The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.
Broken Universe - Tower Defense
WHY THIS
Ranked #6 for Cartonfall: Fortress - Defend Cardboard Castle fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Cartonfall: Fortress - Defend Cardboard Castle.
Get ready to rethink all your defense strategies! Build barricades to stop monsters, or lure them into a maze and attack. A variety of stages that change each time depending on how you play them.
Wooden Battles
WHY THIS
Ranked #7 for Cartonfall: Fortress - Defend Cardboard Castle fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Cartonfall: Fortress - Defend Cardboard Castle.
Build a wooden fort, place your units, watch the mayhem!
Conan Unconquered
WHY THIS
Ranked #8 for Cartonfall: Fortress - Defend Cardboard Castle fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Cartonfall: Fortress - Defend Cardboard Castle.
From the Command & Conquer veterans at Petroglyph comes the first ever survival RTS set in the savage world of Conan the Barbarian. Play solo or team up in multiplayer in Conan Unconquered’s action-packed co-op Mode where you build a shared stronghold and fend off the hordes together.
Cheaper alternatives
Games in the same vein priced at least 40% below Cartonfall: Fortress - Defend Cardboard Castle at current Steam store prices.
POSTAL 2
WHY THIS
Priced ~80% under Cartonfall: Fortress - Defend Cardboard Castle on Steam right now. Shares Action and Indie with Cartonfall: Fortress - Defend Cardboard Castle.
Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?
The Test
WHY THIS
Priced ~60% under Cartonfall: Fortress - Defend Cardboard Castle on Steam right now. Shares Indie and Simulation with Cartonfall: Fortress - Defend Cardboard Castle.
You will answer a series of questions that will reveal truths from deep within. These questions may make you uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and if you do, are you sure you want the answers you seek?
Milk inside a bag of milk inside a bag of milk
WHY THIS
Priced ~70% under Cartonfall: Fortress - Defend Cardboard Castle on Steam right now. Shares Indie with Cartonfall: Fortress - Defend Cardboard Castle.
A short story about what sort of challenges everyday little things can be. Help the girl buy milk, be the first not to disappoint her.
Blood and Bacon
WHY THIS
Priced ~80% under Cartonfall: Fortress - Defend Cardboard Castle on Steam right now. Shares Action and Casual with Cartonfall: Fortress - Defend Cardboard Castle.
This Co-op Shooter , has Day and Night levels, multiple maps, players will take on 25 enemy types and numerous bosses, like Gargantuan Monsters and Minibosses every 10 days as you explore, shoot and run for your life against the onslaught of porcine monstrosities.
Placid Plastic Duck Simulator
WHY THIS
Priced ~60% under Cartonfall: Fortress - Defend Cardboard Castle on Steam right now. Shares Simulation and Casual with Cartonfall: Fortress - Defend Cardboard Castle.
The ultimate high-tech rubber duck simulation, Placid Plastic Duck brings you dangerous levels of relaxation. With chill music, dreamy 3D graphics, and many different happy ducks, your only priority is to float around. Zero Ducks given.
Peggle Deluxe
WHY THIS
Priced ~80% under Cartonfall: Fortress - Defend Cardboard Castle on Steam right now. Shares Casual with Cartonfall: Fortress - Defend Cardboard Castle.
Take your best shot with energizing arcade fun! Aim, shoot, clear the orange pegs, then sit back and cheer as 10 whimsical teachers guide you to Peggle greatness.
STAR WARS™ Republic Commando™
WHY THIS
Priced ~50% under Cartonfall: Fortress - Defend Cardboard Castle on Steam right now. Shares Action with Cartonfall: Fortress - Defend Cardboard Castle.
You are the leader of an elite squad of Republic Commandos, your mission is to infiltrate, dominate, and ultimately, annihilate the enemy. Your squad will follow your orders and your lead, working together as a team - instinctively, intelligently, instantly. You are their leader. They are your weapon.
shapez
WHY THIS
Priced ~80% under Cartonfall: Fortress - Defend Cardboard Castle on Steam right now. Shares Strategy and Indie with Cartonfall: Fortress - Defend Cardboard Castle.
shapez is an easy-going, minimalistic factory building game about the automation of shapes through extraction and satisfying production lines. Adapt to increasingly complex shapes and grow your factory across an infinitely expanding map. Your only limitation is your creativity!
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
Doki Doki Literature Club!
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Cartonfall: Fortress - Defend Cardboard Castle.
The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.
Life is Strange - Episode 1
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Cartonfall: Fortress - Defend Cardboard Castle.
Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.
Ultimate Custom Night
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Cartonfall: Fortress - Defend Cardboard Castle.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
Bongo Cat
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Cartonfall: Fortress - Defend Cardboard Castle.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
ENA: Dream BBQ
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Cartonfall: Fortress - Defend Cardboard Castle.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
The Murder of Sonic the Hedgehog
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Cartonfall: Fortress - Defend Cardboard Castle.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
Indigo Park: Chapter 1
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Cartonfall: Fortress - Defend Cardboard Castle.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
The Looker
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Cartonfall: Fortress - Defend Cardboard Castle.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
Narrow it down
Head-to-head comparisons
More from kuklam studios
Other recommendable Steam games by kuklam studios, ranked by review count so the studio's hits land first.
Cartonfall
WHY THIS
Another title from kuklam studios, the studio behind Cartonfall: Fortress - Defend Cardboard Castle. Shares Indie and Simulation with Cartonfall: Fortress - Defend Cardboard Castle.
It was another night shift at your job in a warehouse, when a madman with a box on his head, took control over the complex. Now you are under his control, to get out of here you have to solve his wicked riddles and smash through his weird cardboard structures by using anything you find in the boxes.
Shape of America: Episode One
WHY THIS
Another title from kuklam studios, the studio behind Cartonfall: Fortress - Defend Cardboard Castle. Shares Indie with Cartonfall: Fortress - Defend Cardboard Castle.
Shape of America is a story-driven, non-linear, turn-based role-playing game about politics. The story is set the United States in the late 1990s, you are a young man who unwittingly finds himself tied up in all the important economic and political changes of the period.
Cryospace - survival horror in space
WHY THIS
Another title from kuklam studios, the studio behind Cartonfall: Fortress - Defend Cardboard Castle. Shares Action and Indie with Cartonfall: Fortress - Defend Cardboard Castle.
You are not a soldier. Not a fighter. Just an ordinary maintenance guy. Yet you have to fight. And you are forced to run. But chiefly: you must help the frozen crew survive on a spaceship. You are the only one who can save others. You are made a hero against your will. You become a leader. A slayer.
Cryospace: Prologue
WHY THIS
Another title from kuklam studios, the studio behind Cartonfall: Fortress - Defend Cardboard Castle. Shares Action and Indie with Cartonfall: Fortress - Defend Cardboard Castle.
You are not a soldier. Not a fighter. Just an ordinary maintenance guy. Yet you have to fight. And you are forced to run. But chiefly: you must help the frozen crew survive on a spaceship. You are the only one who can save others. You are made a hero against your will. You become a leader. A slayer.
Frequently asked about Cartonfall: Fortress - Defend Cardboard Castle
- How much does Cartonfall: Fortress - Defend Cardboard Castle cost?
- Cartonfall: Fortress - Defend Cardboard Castle is listed on Steam at 4.99 USD (current store price; Steam sales may reduce this temporarily).
- What games are most similar to Cartonfall: Fortress - Defend Cardboard Castle?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Cartonfall: Fortress - Defend Cardboard Castle are Idle Towers, Acucalypse, Dig or Die.
- Who developed Cartonfall: Fortress - Defend Cardboard Castle?
- Cartonfall: Fortress - Defend Cardboard Castle was developed by kuklam studios.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Cartonfall: Fortress - Defend Cardboard Castle.
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