Top similar games like Formic Fortress:

Beat your friends in Brister! A fast paced combination of the classic Pong and Turf War.

Get a grip, it’s Heave Ho 2! The insane 2-4 player party game sequel takes the couch co-op mayhem online for the first time. Grab what you can and swing to win!

In this casual multiplayer Co-Op game, play as a squad of prideful lifeguards and work together to keep your chaotic beach safe, clean, and most importantly famous! Experiment with game-changing Gear & many passive-effects to create the highest fame-generating strategies with friends!

You are a blob. Prove your worth as the greatest blob to ever live by solving puzzles or vanquishing your squishy brethren.

Farm together, fight together! Join with friends locally or online to grow fantastical crops, brew powerful potions, and defend your farm.

A frantic party tag game for 1–4 players. Play as a Treasure Hunter racing for loot—or a Shadow Hunter chasing them down. Fast rounds, surprise potions, and semi-procedurally generated arenas. Light your way, outrun, outsmart, out-hunt!

A casual co-op game about coloring with friends! Form a party of up to 8 players in local and online multiplayer and try to beat crazy levels by coloring procedurally-generated paintings. Expect fast-paced, chaotic fun with plenty of twists and turns to keep you entertained!

"Luminleaf Chronicles" is a local multiplayer game for 1 to 4 players that combines elements of survival, adventure, and roguelike genres. Acquire items, upgrade your skills, and defeat the continuously appearing bosses to survive tooth and nail in the game world, ultimately face the Skeleton King!

Dino Galaxy Tennis is a 2D side-view action Tennis game set in space on the surface of various planets with all sorts of dinosaurs. Choose from exciting single-player tournaments, challenges and multi-player modes.

RePair in the Space is a game where an alien and a robot must repair their ship. Whether playing with a friend or embarking on this journey alone, you’ll have to craft and use items to fix every sector of the ship, battling against time, haste... and sometimes against your friend or even yourself!

Maki: Paw of Fury is a beautifully animated fighting game in the style of retro arcade gems. Use your martial arts skills to stun and defeat your opponents and kick the main villain’s ass!

Mini Matches is a 1 to 4 player party game. Race, shoot, golf, jump, and compete with your friends across a series of frenetic rounds. Level up to unlock new characters and power up your abilities.

Diagnose and (mis)treat patients to meet tight deadlines and high expectations in this wacky medical co-op adventure. Wear many hats, master numerous tools, multitask, manage the chaos: do no harm by any means necessary! Play solo or with up to 4 friends, locally or online.

Patch and Pray is chaotic 1–4 player couch co-op about flying a falling-apart space station home. Charge cells, weld solar panels and bolt them on during frantic EVAs to feed a hungry engine — all while patching hull breaches, fires and power shorts before the timer runs out.

A physics-based party brawler for 1-4 players where clumsy, half-boiled eggs beat each other senseless with yolk missiles, fish slaps, and whatever hazardous nonsense the arena throws at you. Scramble your way to victory in hilarious, chaotic brawls!

Glob is a bouncy blob on a rescue mission! Squash gophers, dodge birds, and bounce through colorful handcrafted levels to find the missing globbies. A charming physics platformer with local co-op, versus modes, Steam Achievements, and Steam Cloud saves.

The world’s dumbest party game is here! Play as your favorite Bean, and go head-to-head with up to three other players to become the Dumbest of the Dumb. Will you use skill, sabotage or sheer dumb luck to win?

"Throw A Life!" is a chaotic party survival game for up to four players! Work together to mine, craft, build, and hunt on a dangerous island. Divide roles to survive efficiently—or embrace the chaos and have fun with friends!

As the driver pits, your crew takes over in this fast-paced couch co-op game for up to 4 players. Every second counts - and any mishap may lead to a disaster.

Paint Rumble is a fast-paced party game where strategy and reflexes matter! Cover the most area in 2-minute battles, playing solo, in teams, or against friends locally or online. Choose Wolfy, Quacky, Tigro, or Lucky, grab power-ups, and use your agility to dominate the battlefield!

Topple Tactics is a physics-based multiplayer tower defense game where one huge player controls the map by placing towers and using abilities, whilst the little players level up their stats and equipment to reach the end of the map and defeat the huge player!

Step into a chicken-themed tower-defense roguelike where you build and upgrade your coop, think up strategies during the day, and hope to survive when night falls. Wild predators lurk in the dark, ready to tear down your defenses! COTS is action, strategy, collectible cards…and of course, CHICKENS!

LUNAR//DRILL is a Couch-Coop Bossfight for two players! Play Luna & Drillian, two aliens with unique spaceships and abilities. Work together to defeat the Mecha-Spider attacking your moon!

Gather your friends and guide a team of mischievous babies as they tackle household tasks like baking, washing the car, or mowing the lawn. Carry and drag objects, solve physics puzzles, and try not to make a mess (you will definitely make a mess). Try to finish before daddy's done doomscrolling!

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?

Purrfect Alchemy is a "purrfect" blend of twin stick shooter, wave survival, tower defender. Craft defenses at the center cauldron with a variety of ingredients you may find. Upgrade spells, defeat bosses and reach the end with up to 3 other friends in this Co-Op adventure

Have you ever raced with sheeps, poked noses, or battled against pirate cats? Welcome to FUFUFU, an absurd co-op roguelite for all ages, full of wacky situations. Get ready for some Fu-lish action!

PopTag is a wild multiplayer party game for up to 8 players! Play as a beatboxing balloon dog, crash outrageous parties, and pop your friends! Collect gummy beans, unleash wacky powerups, and survive hilarious parties you weren’t invited to!

Cook Fest is a unique combination of tower defense and cooking genres. Create and design your own complex maze. Cook and serve dishes to satisfy your customers & unlock new recipes. With unexpected roguelite elements & fast-paced gameplay, you can play solo or in chaotic co-op with your fellow chef!

Limbot is a super silly, 3D platformer where you individually control the limbs of a giant cardboard robot! Master all four limbs in solo or embrace the chaos (and camaraderie) with friends, using Steam Remote Play Together or local co-op, in this fully destructible cardboard world!

Rogue together! OrbWars is a fast paced, action oriented party game featuring easy to learn high intensity gameplay. Featuring seamless local and online multiplayer, gather your friends and lead the charge against dungeons filled with traps and foes as up to 4 players!

Spook-A-Boo is a ghost hunting couch co-op game for 1-4 players. Play with friends and family to seek out and capture ghosts hiding in plain sight. Detect, scan, hook and trap all the troublemaking ghosts and have a spook-tacular time.

Beat all the trials to escape the Fort with the treasure!

The Quarry's treasure is up for grabs in this fast-paced, physics-based party game! Compete in 2v2 action to collect and deposit the most gems. Kick bombs, sabotage your opponents and survive chaotic environments. When every second counts, can you emerge from the rubble as the richest team?

A hybrid strategy Action-Strategy game with a bright and unique art style. Harvest resources, build defences and rescue survivors.

Out Of Shape is a physics-based party game for 1-4 players. Pick up and play through the coop puzzle game show on a clock! Will you make it all the way to the show finale?