Top similar games like Monster Outbreak:

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!

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?

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.

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!

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.

Steelbreakers is a breakneck-fast top-down fighter for 1-4 players. Select your arsenal, hack, slash and shoot your way to victory in competitive, cooperative and solo modes. Fend off waves of monsters, defeat your rivals, or work together to explore dungeons and become the ultimate hero!

Explore, Build, Farm, Craft and Fight in this vast procedurally generated survival adventure for up to 4 players. What you do is up to you, but the deeper you delve, the more you uncover the hidden truth. Could you be the hero to restore stability to the land and put an end to the invading "Faults"?

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.

Chaotic co-op fun meets deep strategic decisions. Fortify your keep while balancing income and defense to expand your arsenal and to automate your economy. Every run changes enemies, challenges, tools and weapons. Hire up to 3 friends – or defend alone!

Citywars TD is a cute multiplayer third person Survival Tower Defense. Build towers, gather resources, craft tools, upgrade weapons, level up buildings, expand your city with your friends and work under pressure before the next incoming wave of monsters.

Build, quest, and conquer across an infinite procedurally generated world. Play alone or with friends as you establish a settlement and explore deep dungeons, fight monsters and bosses, mine rare ores, craft magical equipment, recruit specialists for your colony, and more!

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.

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

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.

Layer Hunt is a multiplayer, survival sandbox game where the goal is to survive and hunt down all the bosses. To reach your goal you will have to mine, craft, build, farm, fight and explore for new abilities and resources.

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.

A minimal 2D strategy game. Build a base, defend your throne and conquer your enemies.

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?!

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.

Faraway Lands: Rise of Yokai is an immersive base-building survival strategy game set in mystical Feudal Japan. Build and fortify your town, gather resources, explore new lands, trade with other cities and defend your town against the risen Yokai threat!

Metroidvania Survival Co-op Game in which you have to explore to survive, earn abilities to survive, play well-design characters to survive, cooperate with your firends to survive and survive to survive.

Strategically build your base & defend it from players and bots; in a world where anyone can meet up.

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!

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.

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.

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.

An open-ended factory management game with RTS and tower defense elements.

Join the Calorie Defenders, brave veggies defending inside the body against the Candy Army using tower defense combat and Metroidvania-style exploration. Strategically place defenses to defeat enemies and unlock new powers. For fans of action defense games like Orcs Must Die and Dungeon Defenders.

The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.

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?

Wild Woods is a couch co-op game full of action, teamwork and woodland critters. One to four players take on the role of brave little cats defending their wooden wagon on its way through a dangerous forest. Clever cooperation is key - their way is full of obstacles!

The Riftbreaker™ is a base-building, survival game with Action-RPG elements. You are an elite scientist/commando inside an advanced Mecha-Suit capable of dimensional rift travel. Hack & slash countless enemies. Build up your base, collect samples and research new inventions to survive.

Realm Of Cubes is a voxel-based action adventure RPG. It takes place in a handcrafted voxel fantasy world! Go quest, Level up, and get loot!

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?