
The crab king needs your help to protect his treasure in this underwater tower defense!
60+ similar titles based on shared tags and player behavior. Themes include Strategy, Tower Defense, Singleplayer, Indie.

The crab king needs your help to protect his treasure in this underwater tower defense!

PixelJunk™ Monsters Ultimate
Tikiman the Forest Defender is in trouble. Hordes of monsters are sweeping through his realm, hoping to chow down on his offspring – and it’s up to you to defend them. By placing weapon towers at strategic points around the landscape, you can destroy the invaders and save the little ones.

Operation Sheep Defense
Operation Sheep Defense is a fast paced tower defense game. Featuring dynamic levels and intelligent enemy behavior. Shape the enemy path or defend maze-like levels. Levels are short and intense.
Tikiman the Forest Defender is in trouble. Hordes of monsters are sweeping through his realm, hoping to chow down on his offspring – and it’s up to you to defend them. By placing weapon towers at strategic points around the landscape, you can destroy the invaders and save the little ones.
Why similar: Tower Defense 66.4%, Local Co-Op 17.5%, Strategy 10.2%, Co-op 4.1%, 2D 1.4%
Operation Sheep Defense is a fast paced tower defense game. Featuring dynamic levels and intelligent enemy behavior. Shape the enemy path or defend maze-like levels. Levels are short and intense.
Why similar: Tower Defense 61.7%, Local Co-Op 25.1%, Strategy 12%, Singleplayer 1.2%
Plant trees, defeat enemies, and collect coins to defend your basket. Play solo or couch co-op in this playful tower defense.
Why similar: Tower Defense 36.2%, Local Co-Op 22.9%, Co-op 8.7%, Strategy 8.3%, Cartoony 6.4%
Play as an Octopus scientist fighting off sunken skeletons in this frantic aquatic Tower Defense! Discover sea life turrets from unique biomes: Pistol Shrimp! Navy Seal! Death Ray! Deploy turrets whilst dodging enemy bullets as you venture the seven seas!
Why similar: Underwater 46.5% ★, Tower Defense 35.5%, Cartoony 7.6%, Strategy 7.2%, 2D 2.3%
The rogue-like strategy game Offcoast takes place in a subterranean, underwater landscape.
Why similar: Underwater 79.9% ★, Strategy 12.4%, 2D 7%, Singleplayer 0.7%
Defend the galaxy against a slimey pandemic in this classic Tower Defence game. Build towers to defend these planets and strategize against the infection.
Why similar: Tower Defense 51.8%, Strategy 16.8%, Cartoony 12%, Resource Management 9%, 2D 6%
A tower defense but instead of towers you have a buzzing ecosystem of plants and creatures with needs : your organisms need to eat in order to evolve and survive! Try to maintain balance of the food chain until you annihilate the very last invader!
Why similar: Tower Defense 66.1%, Strategy 12.2%, Cartoony 10.6%, Resource Management 7.9%, 2D 2.3%
Five-star tower defense with unrivaled depth and replayability. The Bloons are back in full HD glory and this time they mean business! Build awesome towers, choose your favorite upgrades, hire new Special Agents, and pop every last invading Bloon in the most popular tower defense series in history.
Why similar: Tower Defense 70%, Strategy 11.6%, Co-op 10.7%, Multiplayer 4.7%, 2D 2.1%
Wave after wave of enemy shapes are looking to break through your defenses and ravage the land of Language. Build your defenses, all made of ASCII characters, to repel the invaders!
Why similar: Tower Defense 66.1%, Strategy 16.9%, PvE 8.7%, 2D 6.8%, Singleplayer 1.5%
Immerse yourself in an epic yet whimsical journey to defend the crystals from hordes of enemies, each more broken-down than the next, with a whole arsenal of tricks! Fight on the plains, mountains, swamps, deserts and many others by adapting your strategy.
Why similar: Tower Defense 63.3%, Strategy 18%, Resource Management 16.9%, Singleplayer 1.7%
Take on wild beasts, ruthless soldiers, and ancient gods in this 2D Action-Platformer inspired by Tower-Defense combat.
Why similar: Tower Defense 51%, Local Co-Op 26.4%, Strategy 9.4%, Co-op 8.3%, 2D 2.4%
Bring your toys to life in this action-packed, Toy Soldiers game bundle which includes the original Toy Soldiers, Toy Soldiers: Cold War, and all four DLC’s – Kaiser’s Battle, Invasion, Napalm and Evil Empire.
Why similar: Tower Defense 68.4%, Strategy 12.3%, Local Co-Op 7.5%, Co-op 6.2%, Multiplayer 5.2%
Just Updated! Version 1.1 now has 6 New online Mayhem levels, Character Customization, 35 Defense levels, 25 Skirmish levels, and more!
Why similar: Tower Defense 77.3%, Strategy 16.3%, Multiplayer 5.6%, Singleplayer 0.8%
Humans & Vampires is a cooperative tower defense game for 1-8 players set in a dark medieval fantasy age, where an eternal conflict between humans and vampires lives. Manage your base, defend it with towers and upgrade buildings to defeat your enemies and survive.
Why similar: Tower Defense 46.1%, Strategy 15.9%, Cartoony 11.1%, Resource Management 10.5%, Co-op 6.7%
Defense Technica is the next evolution in hardcore tower defense strategy games. Protect the core from an onslaught of unrelenting biomechanical terrors with a powerful range of tower defense units – each with their own upgradable features and methods of attacks.
Why similar: Tower Defense 88.8%, Strategy 11.2%
A tower defense roguelike about robots and ooze. Play solo or local multiplayer, protect the Glorp, and defeat the creeps.
Why similar: Tower Defense 47.4%, Local Co-Op 29.1%, Co-op 11.2%, Strategy 9.2%, Multiplayer 2.6%
Ringo TD is a tower defense game with a unique twist—only one movable tower, a magical flower you need to water to recharge. Utilize your melee attacks and adapt to different enemy types in this dynamic and strategic adventure.
Why similar: Tower Defense 40.8%, Local Co-Op 20.8%, Cartoony 11.2%, Strategy 8.9%, Co-op 8.9%
The biggest installment of the award winning Sentinel sci-fi tower defense series now on PC!Take the fight to the alien homeworld and unleash a massive arsenal of weaponry. Get up close and personal on the battlefield in your power armor to execute devastating attacks and support your defenses! * An epic campaign across 20 levels.
Why similar: Tower Defense 88.1%, Strategy 11.9%
Modo Defense is a strategy tower defense game. Spin yut, similar to dice, to obtain various resources and summon or strengthen towers. You can customize your tower however you like. Specialize in multi-attack or strong one-by-one! And we have to stop the demons coming in. How far can you stop it?
Why similar: Tower Defense 71%, Strategy 19.3%, 2D 8%, Singleplayer 1.8%
In Seagulls: Crappy Situation, you're stranded at sea, surrounded by angry seagulls. Armed with a slingshot and water hose, your goal is simple: survive. This game tests your multitasking and strategy skills, with local split-screen co-op, quirky humor, rogue-lite elements, and bizarre seagulls!
Why similar: Underwater 41.4% ★, Tower Defense 25.3%, Local Co-Op 21.6%, Co-op 7.5%, Multiplayer 4.2%
An epic, challenging tower defense game with an emphasis on strategy and replayability. Summon gems of immense magical potency and harness their unique abilities against a seemingly endless horde of monsters. The archdemon seeks to swallow the world, and you must journey to stand against her.
Why similar: Tower Defense 85.8%, Strategy 11.8%, 2D 1.4%, Singleplayer 1.1%
A Chinese underworld-themed TD game. Alter paths with anchors, build towers freely. Boost tower stats/effects by brewing the Pot of Oblivion with herbs. Place talisman traps on paths. Features varied maps, initial path challenges, and strategic obstacles.
Why similar: Tower Defense 68.9%, Strategy 13.7%, Resource Management 8.5%, 2D 6.9%, Singleplayer 2%
Warstone is a Tower Defense game, with RPG, Strategy, and even city building elements. Detailed Hi-res graphics and beautiful illustrations combine with a deep storyline to draw you into the world.
Why similar: Tower Defense 71.9%, Strategy 14.3%, Co-op 9.4%, Multiplayer 4.4%
Stunning detail of levels, in-depth gameplay, finely tuned balance of all levels and turrets. The new, engaging levels are even more stunning and impressive.
Why similar: Tower Defense 84.3%, Strategy 15.7%
Tower Wars combines elements of tower defense, RTS, and all-out multi-player mayhem to bring you a completely unique experience, delivered with a fun and funny not-so-old world style!
Why similar: Tower Defense 78.1%, Strategy 10.2%, Co-op 6%, Multiplayer 5.4%, Singleplayer 0.3%
Get ready to DEFEND THE WORLD! The biggest sequel in tower defense history is finally here: Fieldrunners 2 has arrived! From Subatomic Studios, creators of the award winning classic strategy game comes an all new adventure that was years in the making.
Why similar: Tower Defense 88.8%, Strategy 11.2%
You are an archer tasked with defending a castle from invading monsters. Inside the castle, you can manage resources and harvest crops, gather experience points to level up, and learn new skills and abilities to face stronger enemies.
Why similar: Tower Defense 77.6%, Strategy 15%, 2D 5.8%, Singleplayer 1.6%
Defeat hordes of imps in the very first Tower Defence game about the order of monks! All this to defend humankind from hordes of demons!
Why similar: Tower Defense 76.9%, Strategy 23.1%
Yavalanche is a tower defense game in which you take control of a courageous yeti that lives on top of the mountain to repel waves of the sinister goblins coming to get you. Place your pins, strategize your attacks, upgrade your fortifications, and send those pesky green goblins down!
Why similar: Tower Defense 66.3%, Strategy 13.4%, Cartoony 9.5%, 2D 6%, PvE 3.8%
3D Tower Defense! Run! Build it yourself! Connect power yourself! You should build your tower manually!
Why similar: Tower Defense 52%, Strategy 18.3%, Resource Management 12.5%, Co-op 6.5%, PvE 5%
iBomber Defense combines classic tower defense gameplay with intense action and strategy. Keep enemies at bay all over the world using a variety of weapons and tactics, from rattling Machine guns, explosive cannons and awesome anti-aircraft artillery!
Why similar: Tower Defense 82.3%, Strategy 17.7%
Build your towers of paper before they get out of the box and make a big mess in the room. Manage the turrets, upgrade and be careful where you put them... every decision can be fatal! Watch out for the air units, they have a different route!
Why similar: Tower Defense 82.3%, Strategy 17.7%
A hybrid card game and tower defence where the hands you play become the towers you build. Defeat the enemies approaching the bear's den and find modifiers that support the elements of your defensive strategy.
Why similar: Tower Defense 94.1%, Strategy 4.5%, PvE 1.1%, Singleplayer 0.3%
Tower Defense meets magical action. Fire cat cannons. Build, repair, and upgrade your defenses. Master multiple mage classes. Mage Fort puts the focus on co-op action with a heavy defensive theme!
Why similar: Tower Defense 48%, Local Co-Op 32.2%, Co-op 7.7%, Multiplayer 6%, Strategy 5.3%
An economy focused tower defense where you play as an Egyptian pharaoh seeking to reclaim his lost wealth in modern times.
Why similar: Tower Defense 56.5%, Resource Management 17.2%, Strategy 15%, Linear 6.2%, PvE 3.3%
Fieldrunners is now available on Steam! Download it now to play the hit tower defense game critics and fans have been raving about. Descend into the world of Fieldrunners, the most anticipated and visually stunning game in tower defense history!
Why similar: Tower Defense 87.5%, Strategy 12.5%
Evil Defenders is a fun, frenetic defense game: build and upgrade your towers, сast spells to repel enemy forces, use special landmarks and defend the Lands of Evil from invaders! Feel free to play the game in many different ways through unique tower upgrades, a deep skill tree and 100 in-game achievements.
Why similar: Tower Defense 85.5%, Strategy 14.5%
Terrorhedron is the 3D, cooperative tower defense game for the PC. Unmatched challenge and complexity is introduced to the genre through 3 dimensional gameplay, micro-strategy through programmable turrets and 'edge of seat' gameplay is extended to multiplayer with up to 8 players online co-op.
Why similar: Tower Defense 86.4%, Strategy 10.6%, Multiplayer 3%
Defense Grid: The Awakening is a unique spin on tower defense gameplay that will appeal to players of all skill levels. A horde of enemies is invading, and it's up to the player to stop them by strategically building fortification towers around their base.
Why similar: Tower Defense 88.9%, Strategy 10.1%, Singleplayer 1%
Dead TD is a tower defense game that was inspired by the old school original maps from WC3. It features a wide range of towers that upgrade into more powerful types and features a range of different abilities that can be used to create the ultimate defense.
Why similar: Tower Defense 71.2%, Strategy 19.9%, 2D 7.4%, Singleplayer 1.5%
Rush for Glory is featuring challenging and rewarding Tower Defense battles, in which players are defending their base against an alien invasion. By strategically building towers and upgrading them, the player can keep his base safely and further progress through the extensive singleplayer campaign.
Why similar: Tower Defense 81.4%, Strategy 18.6%
Tasty Blue is an underwater side-scrolling eat 'em up game. You start as a small goldfish with an insatiable appetite. After being overfed by your owner, you'll escape into the ocean and eat everything that you encounter. The more you eat, the bigger you get!
Why similar: Underwater 58.3% ★, Local Co-Op 29.4%, Multiplayer 6.1%, 2D 4.7%, Singleplayer 1.4%
A tower defense game about about 10 guardians who protect crystals.Anyway, It's Simple!But it's a bit challenging!Defend the crystal from a large number of demons and become a legendary guardian!
Why similar: Tower Defense 72.3%, Strategy 19.4%, 2D 6.7%, Singleplayer 1.5%
Stunning detail of levels, in-depth gameplay, finely tuned balance of all levels and turrets. During the game you will hold your defense with your turrets against the massive hordes of enemies.
Why similar: Tower Defense 81.1%, Strategy 18.9%
You’ve tossed, burned and sliced them by the thousands – now orcs must die more than ever before! Grab a friend and slay orcs in untold numbers in this sequel to the 2011 AIAS Strategy Game of the Year from Robot Entertainment.
Why similar: Tower Defense 68.3%, Co-op 13.1%, Strategy 7.9%, Cartoony 6%, Multiplayer 3.9%
The Bloons are back and better than ever! Get ready for a massive 3D tower defense game designed to give you hours and hours of the best strategy gaming available.
Why similar: Tower Defense 61.4%, Strategy 10.9%, Co-op 10.2%, Multiplayer 7.3%, Cartoony 6.4%
ZAMB! Endless Extermination is a mash-up of a twin stick shooter and a tower defence game. Play in local co-op or online with a friend, sibling or partner as two space agents, Cye (the brawler) and Chrome (the tactician).
Why similar: Tower Defense 48.6%, Local Co-Op 37.7%, Co-op 7.7%, Cartoony 2.4%, Strategy 1.9%
CREEPS CRUMBLE. HEROES RISE. Command a team of renegade heroes and impale, slash, tear and burn through legions of undead hell-bent on world domination. Your mission: to defeat the world’s most powerful vampire, Count Necrosis.
Why similar: Tower Defense 81.5%, Strategy 9.9%, Co-op 4.7%, Multiplayer 3.4%, Singleplayer 0.6%
Protect the streets from the living trash.
Why similar: Tower Defense 60.5%, Strategy 16.1%, Linear 8.7%, PvE 8.1%, 2D 5.9%
Co-op tower defense where you don't have to build towers and just watch the battle. Get directly involved in combat. Team up with you friend in the war against the great evil that seized the kingdom!
Why similar: Tower Defense 40.8%, Local Co-Op 25%, Cartoony 8.7%, Strategy 8.2%, Co-op 7.2%
Ragnarök TD is a 2D top-down tower defense game created as a case study of Ninja Kiwi's Bloons TD 6 by the University of Michigan's WolverineSoft Studio. Follow the story of a small village in the North as they fend off the beasts of Ragnarök in this revamped Steam iteration of the original project.
Why similar: Tower Defense 64.6%, Strategy 23.4%, Multiplayer 10.1%, Singleplayer 1.9%
Fire with Fire is an online player vs player tower defense strategy game about ascendant fireball creatures fighting over the last remaining fuel sources of a dying planet. Save the trees and rise up the leader boards. New unique towers, creeps and arenas in development.
Why similar: Tower Defense 79.3%, Strategy 15.7%, Multiplayer 5%
You think Tower Defense games are all about building? You thought wrong. Sanctum is not your average Tower Defense title. When the havoc starts, you get to join the fray! As one of the world’s first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an epic, one-of-a-kind experience.
Why similar: Tower Defense 76.3%, Co-op 10.6%, Strategy 9.1%, Multiplayer 3.4%, Singleplayer 0.5%
Quick to start, learn, and play tower defence! Use 7 unique towers to squash waves of 10 unique enemy types. Dynamically change the maze by raising and lowering dirt to block off parts of the path. Enjoy endless replayability with map customizers to allow for a personalized tower defence experience!
Why similar: Tower Defense 55.3%, Strategy 19.4%, Cartoony 13.6%, 2D 6.7%, PvE 4.1%
Cubemen 2 is a fast paced, action packed, original 3D Strategy game where you use your little Cubemen units to defend and attack enemies in a range of awesome game modes including CTF, Skirmish, Territory and more.
Why similar: Tower Defense 72.7%, Strategy 21.5%, Multiplayer 5.8%
Defend the solar system from fearsome aliens by sending satellites into orbit in revolutionary tower defense action!
Why similar: Tower Defense 88.1%, Strategy 11.9%