Top similar games like Knockback Knockout:
Knockback Knockout $4.99
KNOCKBACK KNOCKOUT is a 2D online party game for 2-6 players.
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Squarena$4.99
Blast, teleport, shrink and outsmart your friends in Squarena, the fast-paced 2D arena shooter where damage makes you smaller, harder to hit, and harder to control! With chaotic physics and unique abilities, every match is a battle of skill and strategy.
Plasma Spheres$2.99
An arcade platformer where up to four players can battle it out with plasma, tractor beams, and dozens of power-ups! Multiple game modes and online and local multiplayer make for intense dynamic match ups!
Soldat 2$7.99
Soldat 2 is a 2D deathmatch shooter with real guns, ragdoll violence and physics-based movement. Based on classic Soldat with team game modes, ranked multiplayer, bots and built-in customization and level editing. Made by MM - creator of the original.
BlastFortFREE
A free-to-play multiplayer side-scrolling shooter, where you use weapons and items in endless PvE modes, against your friends in PvP modes, or in a quick game of soccer using the unique game mechanics!
Squish$14.99
A spoopy, squishy, and fast-paced party game where you and up to three gooey friends rave it up in an underground crypt as it collapses down on you. You must push blocks, dodge, and jump to survive the rave and squish your opponents. Last Skelegoo standing takes it all!
Super Bunny Man$14.99
A physics-based co-op platformer about a guy in a rabbit costume! Team up with a friend or three (local or online) to beat levels, find hidden carrots and race against the clock. Experience bunny madness. Embrace carrot chaos. Become Super Bunny Man.
Jump Gunners$12.99
Jump Gunners is the definitive couch local multiplayer combat game for 1 to 4 players, matching fast paced hilarious recoil jumping mechanics, with core gameplay that is easy to learn but hard master. Become the champion among friends, as you fight alone, or team up together against your foes.
Rivals of Aether II$29.99
Rivals of Aether II is the sequel to the hit indie fighting game, Rivals of Aether. Play as both new and returning elemental fighters in the next generation of platform fighters.
Abacus$5.99
Explore a mysterious and whimsical world in this retro 2D platformer-shooter, featuring cute pixel graphics, a catchy original soundtrack and swarms of explosive bees!
Don't Touch the Purple$5.99
Don't Touch the Purple ("DTTP") is an endless side-scrolling arcade platformer where you make your way through a randomly generated assortment of levels and get as far as possible before dying.
Counterpick LabsFREE
Counterpick Labs is a free platform fighter where you mix and match gear to build your perfect loadout. Featuring a single player story mode, a roguelike PvP mode where you earn powerful upgrades as you fight, and a classic no-frills PvP mode.
Citrus Rampage$4.99
Call up your buddies and enjoy the acidic chaos of Citrus Rampage, a physics-based multiplayer shooter with silly guns and destructible environments. Play with up to 4 players in local multiplayer or online using Steam Remote Play Together.
Vengeance$7.99
Old-modern-school shooter with a focus on the player. Play one of the fastest multiplayer games out there with dozens of weapons and a challenging recoil. Play fast. Play the past!
Plunder Panic$9.99
Plunder Panic is a team-based pirate fighting game for up to 12 local or online players! Grab your crew to steal treasure, defeat the enemy captain, or sink their ship. The first team to capture an objective wins! 🏴☠️ Purchase the game and your friends play for FREE using the DEMO with crossplay.
Dash RealmFREE
Dash Realm is a 2D multiplayer top down action shooter, ideal for those boring breaks between two games. Compete against your friends in the arena and claim victory!
Straima$4.99
Straima is a devilishly difficult pulse-pumper platformer for 1-4 players. It includes several game modes, selectable powers and gameplay mutators, as well as a full feature level editor with Steam Workshop support so you can design and share your weird creations with chums for immense joy.
Growers$3.99
Growers is a chaotic platformer multiplayer PvP game in which players compete with each other to reach the light on a dark map, to transform into a monster and devour the others. Be the last standing to win!
Dojo Masters$14.99
DOJO MASTERS is a 2-button martial arts indie fighting game. Battle against your friends or head online to challenge warriors from around the world!
Chronac: Escape$4.99
CHRONAC! The roguelike action game where you shoot, slash, blast your way out the facility that created you. Gain powerful upgrades, face unforgiving enemies. Together.
RoboSquareFREE
Want to assert your dominance with other robots? Why not try pushing them off a giant floating platform! RoboSquare is a quick action-packed PVP game, where you strive to become number one! Jump in and start throwing others around!
Partition Sector$3.99
Blow up your friends - and snakes - in 7 game modes including Battle Royale, Capture the Flag, King of the Hill, Snake Hunter and "EVERYTHING" - all modes at once! Up to 20 players in local multiplayer, with online play via Steam Remote Play Together - only one player needs to own the game!
Superfighters Deluxe$9.99
Superfighters Deluxe is a unique action game that combines brawling, shooting and platforming in dynamic sandboxy 2D levels. Lots of weapons and fun gameplay systems interlock to create absurd action-movie chaos.
RecoiledFREE
Join a friend in this free-to-play online multiplayer PvP game with insane 2D physics. Select from several unique game modes, such as Free-for-all, Racing mode, and Target mode. Note: both players must have a Steam account to play.
Boring Man - Online Tactical Stickman CombatFREE
Battle other 2D stickfigures online while jumping around like a lunatic and getting blown up into smithereens. With over 70 weapons, Boring Man is the most chaotic and hilarious 2D online shooter on the internet.
Hero of war$0.99
Hero Of War is a platform game where each move must be carefully thought out, as a single mistake can put your mission at risk. Get ready to face relentless challenges and fight for your destiny with every accurate shot and precise jump. Join Hero Of War now and become a true hero of war!
Cosmula$5.99
Engage in an intense space shooter that you can play in single-player or multiplayer with up to 6 players. Play a variety of different spaceships, each with their own unique stats, components, and playstyles!
Rivals of Aether$29.99
RIVALS OF AETHER is an indie fighting game where warring civilizations summon the power of Fire, Water, Air, and Earth. Play with up to four players either locally or online.
OAOA - Off And On Again$4.99
OAOA tells the story of a hero tasked with rebooting time. The game world is created and destroyed during play, with the hero having the ability to turn parts of the world off and on again. You will be required to use both brains and skill to overcome the enemies and obstacles in your path.
Rocket Wars$0.99
Fast-paced local multi-player game packed with action. Destroy your friends with all sorts of different weapons and power-ups across multiple game modes!
Southern cross Battle force$2.99
This is a horizontal retro arcade-style STG shooting game. Players need to control fighters to defeat the ultimate villain FightFox and rescue EAU and the Southern Cross Union headquarters.
Super Grav$5.99
Super Grav is a retro gravity cave flyer for 1-4 players, featuring single player or co-op multiplayer missions, racing and dogfighting. Back by popular demand, Super Grav is the official sequel to the 1998 Net Yaroze coverdisc hit, Gravitation.
Gun Bombers$3.99
Grab your pickaxe and enter the mines! Search for treasures and fight against other miners in this fast, round-based multiplayer game (up to 10 players over LAN or internet). Comes with a map editor and an addictive single player endless mode where you fight waves of enemy monsters.
Ballistic Tanks$4.99
Ballistic Tanks is the best tank game you've played since the 80's. Battle in exhilarating local multiplayer, or challenge yourself in an intense solo/co-op arcade mode. Play 5 game modes in over 50 maps; and destroy your enemies in a frenzy of bullets, lasers, and explosions!
Frayspace$4.99
Fraypace is a local multiplayer top-down space arena shooter for up to 8 players. Choose your fighter, select your weapon, and enjoy the fast-paced and physics-based action with friends or AIs in fully destructible maps.
Cartoon StrikeFREE
"Different realities, different rules, but always fun". In the multiplayer game Cartoon Strike, each map offers a different gaming experience. Players can enjoy a few minutes of fighting in the WWII, followed by a few minutes in the present, future or even funny mode.
Pixel Strike 3DFREE
Pixel Strike 3D is a Multiplayer First-Person Shooter that features fast-paced gameplay and a wide variety of player customization. Battle friends and foes from all around the world in over 20 unique game modes, with over 70 available weapons.
AltitudeFREE
Now Available on PC, Mac and Linux!
Cute Invaders$3.99
Something great is coming! Something extremely Gigantic and Adorable!
Bad Friends ShooterFREE
Play against your friends on one device in this action packed game! Available for up to 4 players on one device.
BattleCrypt Bombers$3.99
BattleCrypt Bombers is a pixel-packed arena combat game for up to four local players. Collect and lob bombs but be careful - explosions set off chain reactions that are deadly to everyone! Play competitively or cooperatively across two different game modes.
Late For Work$14.99
Play as a giant gorilla in VR and face off against your puny human friends in the ultimate couch party game.
Serious Sam's Bogus Detour$9.99
Serious Sam’s Bogus Detour is an all-new action-adventure in the legendary Serious Sam saga from Hammerwatch developer Crackshell.
HolodriveFREE
A fast-paced multiplayer shooter where you customize your robot, zoom around with a jetpack, and battle with various weapons. Master the arenas, surprise your enemies, and enjoy the nonstop action!
Broforce$14.99
Broforce is an action-packed side-scrolling run ‘n’ gun ode to freedom, putting you in control of an under-funded, overpowered paramilitary organization dealing exclusively in excessive force.
Skyhook$4.99
Fight with grappling hooks in this party brawler for one to four players. Play as a treasure hunting cat or a land swimming shark as you swing around the stage taking out your opponents.
Axe Me Down$0.99
An Indie Platform Battler where your main objective is to push your friends off the screen with throwing Axes. Available for two to six players.
江湖客栈-The JianghuFREE
Hey,you! This is not a place where the Beggar's can come in and beg for help! Without 100k silver coins, never think you can use our "Jianghu Inn" sign. what? Surprisingly, we managed to get together! Do you really want to give it a try?
Layup Legends™$9.99
The basket-brawler for up to 4 players! Use your skills to outplay your opponents on a variety of stages. Unleash powerful super moves to destroy your enemies and become a Layup Legend. Play with your friends or CPUs in 1v1 and 2v2 matches locally or online.
Codename ProdigyFREE
A Couch-Play Platform fighter with Traditional fighting game aspects that focuses on using your stage against your opponent, with each character taking advantage of the stages in unique and different ways
Vetrex$5.99
Vetrex is a game for two in which you will compete with your friend for the winning place using different types of weapons, throwing grenades and dropping red exploding barrels on the enemy's head!
Ball AnimalsFREE
Animal Ball is a local party game, where 2 to 4 animal balls fight against each other...Use your bouncy belly to bounce others away!