Top similar games like Monster Outbreak:
Monster Outbreak $14.99
The King's dimensional orb has malfunctioned, bringing hordes of monsters into the Kingdom. Defend your safeground against the monsters by gathering resources, building defenses, upgrading your arsenal, and surviving long enough to find the source of monsters and destroy it.
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Little KeepersFREE
What are friends for if not to defend each other from mutant plants that want to hurt you? Build your enemies, destroy your defenses and restore chaos in the garden! ... Wait, it was the other way around.

Kingdom Two Crowns$19.99
In Kingdom Two Crowns, players must work in the brand-new solo or co-op campaign mode to build their kingdom and secure it from the threat of the Greed. Experience new technology, units, enemies, mounts, and secrets in the next evolution of the award-winning micro strategy franchise!

Aegis Defenders$19.99
Take on wild beasts, ruthless soldiers, and ancient gods in this 2D Action-Platformer inspired by Tower-Defense combat.

First Dwarf$24.99
If there’s one thing dwarves are better at than grooming their beards, it's engineering. Jump into your mech, build a base and explore the crumbled fantasy world in this immersive action RPG. Will you manage to survive its dangers?

Slayin 2$11.99
Engage endless hordes of monsters up close as a valiant knight, or shower them with arrows, bombs, and spells using 8 unlockable heroes with completely different skillsets and playstyles.

ZAMB! Endless Extermination$2.99
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).

No Heroes Here$14.99
No Heroes Here is a frantic co-op game for 1 to 4 players, available in local and online modes. Craft and use several items effectively whilst coordinating your ragtag band of non-heroes to defend castles and survive! ...Oh, as well as saving the Kingdom in the meantime!

Bachelairs$4.99
Race through a set of short dungeons, trying to collect the most treasures. The player that has the most coins at the end wins the game! Will you horde your coins? Invest in stronger gear? Or perhaps try to win extra gold with one of the awards? Face off against friends or play against the computer!

PixelJunk™ Nom Nom Galaxy$9.99
Welcome to SoupCo, Astroworker! In Nom Nom Galaxy, construct and automate gigantic soup factories on unexplored planets throughout the universe, harvest flora and fauna to turn them into artisanal soups, and rocket your product into the gullets of the galaxy!

Forgenator$6.99
"Forgenator" is an item crafting game where players take on the role of a forge apprentice. With the guidance of a powerful wizard, players take on exciting challenges to craft powerful weapons, armor, and items.

CastleStorm$9.99
Welcome to the world of CastleStorm, a super genre mashup of 2D physics destruction mashed with tower defense brawler! CastleStorm was born out of the fond childhood memory of building and destroying LEGO castles.

Labyrinth Legend$6.99
Labyrinth Legend is an action RPG with hack and slash elements. Explore the automatically-generated dungeons, collect powerful equipment, and battle against unknown, formidable enemies!

Folk Hero$10.99
Folk Hero is an action-slasher with rogue-lite elements set in the world of Slavic fantasy. Explore the ever-changing island, find treasures, combine weapons and artifacts to defeat mythical enemies. Challenge your skills! One life, one try.

King 'n Knight$11.99
King ’n Knight is an arcade platform game that takes place in a medieval fantasy world. Play solo or co-op in this adventure inspired by the games of the 16-bit era.

Force of Nature$7.99
Force of Nature is a Sandbox game that combines Action, Adventure, RPG, Strategy and Management genres

Bomb Fight$4.99
Bomb Fight is a local-multiplayer action party game. Destroy your friends or cooperate with them in a frenzy of bombs without destroying your self.

Dig or Die$11.99
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.

Pixel Game Maker Series DRAGON PEAK$9.99
Multiplayer support for up to four players! This is a "belt-scroll" x "free exploration" action game. Make full use of each character's individuality, solve the gimmicks hidden in the MAP, and defeat the final boss "Ancient Dragon" in all 5 stages!

ZaciSa: Defense of the Crayon Dimension!$4.99
2D Tower Defense game set in a colorful world of Crayons. Over 20 different Maps with plenty of fun Weapons at your ready to defend the Crayon Empire. Can you survive the onslaught?

Muspell$14.99
Muspell is a fantasy sandbox where you build your fortress and fight monsters in an infinite procedural world made of blocks. Collect loot and improve your base to unlock better equipment from random daily merchants.

Fate of the World$9.99
Fate of the World is a dramatic global strategy game that puts all our futures in your hands. The game features a dramatic set of scenarios based on the latest science covering the next two centuries. You must manage a balancing act of protecting the Earth’s resources and climate versus the needs of an ever-growing world population, who...

Volley Pals$4.99
A chaotic, cartoon style arcade volleyball game with local multiplayer for up to 4 people. It's designed as a party game with each level featuring different themes and mechanics.

Coffee Crisis$9.99
Coffee Crisis is an neo-rogue brawler that puts you in the shoes of the only baristas on Earth with enough heavy metal in their veins to fend off an alien assault. Play solo or join up with a friend to fight across eight locations ranging from your Coffee House HQ to the far reaches of outer space.

ChronoDojo$9.99
ChronoDojo is a cute, cooperative tower defense beat 'em up game in which humble heroes travel time to bash, build and save the world! Who among you is hero enough to learn Chrono-Fu and battle evil across time?

Super Raft Boat Together$14.99
The world's been flooded. All you have left is your Super Raft Boat… and your friends! Work together to expand your raft while fending off the strangely violent (and wealthy??) creatures of the sea in this multiplayer roguelike shooter. Will your crew survive and reach the Final Island?

Keep Keepers$17.99
Tower Defense meets Base Management. Strategically place your defenses. Craft wacky ammunition like fiery peppers and boomerang bananas. Discover amazing weapons and automate your economy while defending against waves of enemies. Can you handle the chaos?

Squeakers$0.99
Water is flooding the world. Build your own way to climb higher and higher. Maybe there is a chance of survival after all. Give yourself a try! Help those boars reach the highest level.

SquareWorld Unpixeled$9.99
Explore a randomly generated universe full of unique planets! Build whatever comes into your mind with hundreds of blocks available! Mine for precious treasures and dungeons! Play alone or with friends, create or destroy, explore or build up a home. Choose your way of playing.

BattletronicsFREE
Free-for-all (2-4 players) top-down shooter game available for free. An epic arena battleground featuring a unique blend of powerups and arena environments.

Hazelnut Hex$7.99
Rescue breakfast in this arcade-style bullet hell shoot 'em up!

Tooth and Tail$19.99
Lead the revolution with an army of flamethrowing Boars, mustard gas-lobbing Skunks, and paratrooper-puking Owls. Tooth and Tail is a Real-Time-Strategy game featuring Single Player, Online Competitive Play, Split Screen, Replays, and more. Build a base, lead your army, eat your enemies!

Brathian$1.99
Explore the land of Brathian, by yourself or with a friend, fighting guardians and using their powers to keep the magical crystal away from malicious hands in this retro action / platformer game.

It's Not Rocket Science!$3.99
Build the best rocket with your partner and race the other team through space! It’s Not Rocket Science! offers 2 versus 2 local multiplayer. It is played with controllers.

Squeakers II$0.99
Water is flooding the world. Build your own way to climb higher and higher. Maybe there is a chance of survival after all. Give yourself a try! Help those boars reach the highest level.

Dandy & Randy DX$6.99
Play either alone or with a friend on this cute adventure game!

Bass MonkeyFREE
Bass Monkey is a free Hack and Slash arcade game. Up to 4 friends can compete (or co-operate!) in this short, low-stress, musical platformer. Collect bananas, smack away hamsters, and try to get on the high score leaderboards as you battle through a 5 song EP.

Ruins Of MitriomFREE
Explore the continent in search of Mitriom, ancient energy crystals to power the various improvements of your caravan (Skills, Bonus, Cannon on the caravan etc). Dynamically manage your resources to adapt your skills according to the situation.

Voltaire: The Vegan Vampire$19.99
Rebel against your legacy in this farming action roguelite. Tend your spooky farm by day & defend your crops from enemies at night! Upgrade Voltaire, youngest son of Dracula, with devious new abilities & discover dozens of new plants to cultivate. Send dad a message: a vegan life is no missed steak!

Summer Catchers$8.99
Summer Catchers is an epic story that combines an endless runner with inventory management. Set your goals, complete tasks and stock up on gear to get as far as you can and advance this charming story full of strange and wonderful characters.

Chipmonk!$8.99
Seek vengeance on the gluttonous gray squirrel in this retro-inspired Beat 'em up starring chipmunk warriors!

Toaster Defense$4.99
Smash and shoot down robots in this challenging fast-paced game that mixes tower defense and shoot 'em up platforming. Build lamps, fans, and meat tenderizers to aid in your defenses and find the deadliest combination. Do you have what it takes to defend the world's cutest toaster?!

friends world$3.99
This is a voxel style sandbox game that focuses on survival. You can do anything inside and destroy any block. and cooperatively survive and fight with friends in a world. If you like playing Minecraft, this is a game you must not miss.

Just Sign!$3.99
Just Sign! is a dynamic tower defense for 1 to 4 players. Mine, chop, refine, build turrets and refill them with ammo.

It Takes Two$39.99
Embark on the craziest journey of your life in It Takes Two. Invite a friend to join for free with Friend’s Pass and work together across a huge variety of gleefully disruptive gameplay challenges. Winner of GAME OF THE YEAR at the Game Awards 2021.