Top similar games like Inverse Ninjas VS. The Public Domain:

Deadlocked: an adrenaline-packed Cartoon top-down shooter. Customize your loadout with unique weapons, unlock fun little pets, and upgrade your character. Master responsive gameplay and become a cutesy robot killing machine, There's one rule, Defy Deadlock

Engage in chaotic multiplayer battles in Trigger Fever, a top-down shooter party game. Crush foes solo or with friends, wielding 50+ unique weapons. Show off skills, tactically dominate, and embrace the crazy onslaught!

X Invader is an action roguelite where you hack into big corporations' servers. Use add-ons from fellow hackers to defeat monsters. Powerful, cute bosses guard these servers!

Rumble is a fast Arena Brawler. Throw rocks to stun and spears to kill, dash to avoid incoming hazards and be the last man standing.

Shoot Shoot Mega Pack is a minimalist party game/2D shooter for up to four players. You can choose a preset game, create your own rulesets, or let the game do it for you. However you decided to play, just make sure you do it with friends!

In a world where magical creatures called Alebrije roam the dream lands. You and your friends will be pitted in Mechanized Alebrije mayhem, an intense team based sport.

Scientific Shutdown is a top-down arcade shooter in which you find yourself kidnapped by Dr Hans Trottelstein, the mad scientist, to test the deadliness of his latest batch of rock monsters. With help from up to three friends, how many simulated environments can YOU survive?

BattleCourt: a Casual Horde Survival Looter and Shooter. Millions of combinations of guns, survive as long as you can.

Take control of a virtual organism in this unique indie arcade title, while unlocking Steam Achievements and climbing the leaderboards!

A top down-multiplayer-arena-brawler where you collect resources and craft your weapons of choice all while trying to stay alive and become the ultimate brawler in this fast paced game.

Classic Asteroids® updated with modern gameplay and perfected controls. Explore hazardous environments and sneak around asteroids to surprise attack giant bosses. Upgrade your ship to use additional power-ups. Single player or fight with up to 3 friends with intense local coop.

Engage in heart-pounding top-down shooter action as a skilled operative fighting against powerful mega-corporations in a dystopian future. Unleash a barrage of futuristic weaponry, master tactical combat, and liberate humanity from the clutches of oppression in Shutdown.

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!

Destroy arena vermin, level up, choose your class path, get loot, and slay other players. Destroy the bosses of the arena without being slain, and perhaps your ascent into arena God-hood will be recorded into legend! Now remastered!

A top down shooter where the only way to move and fight is with the recoil of your blunderbuss. Whirl through waves of garden-destroying pests to defend Bert's garden, strive to reach higher and higher scores and become the Top Gnome!

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.

Gacha Fever is a bullet heaven suvivor in a cute and colorful universe. You will fight waves of monsters with various weapons, from the machine gun to the magical girl wand and the Buble Tea Canon ! Just be careful of the area !

A chaotic fast-paced top down shooter in a procedural generated arena with a unique neon style!

⚠️No Online Multiplayer⚠️ Shoot, explode, push or slash your friends in this out of hand game. Play 2-8 players who've all lost their arms in a tragic accident to be the last one standing. Now it's up to you to use your makeshift mechanical arm and the items at hand to eliminate your former friends.

Core Breach is a fast-paced, top-down arcade shooter where you out manuever and destroy anti-virus enemies as a trojan worm. Upgrade your trojan worm with attacks and skills to breach the core.

The dinosaurs have brought the fight to the wrong cat’s territory. Mess with MewMew, get the PewPew: It’s time to send the dinos right back to extinction.

Chickenoidz Super Party - multiplayer top-down arena shooter for up to 4 players. You can play local or altogether online via Remote Play. Steal the show using an array of incredible weapons, special equipment and even mutations. Smash your opponents to smithereens, rip everything around you.

Super Squad is a team-based Multiplayer Online Shoot-‘Em-Up (MOSH) where squads duke it out in a manic-strategic battle for domination. Tactics, teamwork and twitch reflexes are vital to claim victory, with top-down shooter controls and a myriad of epic abilities to fire off.

Free version of X Invader, an Action Rogue-lite game. Become a master hacker 'X' and hack into the digital world. Use a variety of weapons and hacking add-ons to create your own combat build and wipe out disturbing enemies. Please enjoy the hack and slash action!

Hexagonal Explods is a vertical shoot 'em up game where you need to defend the earth from aliens. Collect power ups, fight funny bosses and... well... SHOOT THEM UP!

Once every millennium, the greatest magical beings gather together in order to engage one another in tournament combat. Cast powerful spells and shatter your opponents, this is MagiCarnage!

Get Stuck Together in this 2 player co-op where teamwork is key to defeat waves of enemies. Each player controls one half of a character and must work together to defeat endless waves of enemies.

SNOT is a top-down shooter minigame that's all about keeping cool and reloading. Stuck on a floor tile, brace your (booger) self and face endless hordes of micro organisms - fighting to survive as long as you can!

A tactical, fast-paced, top-down drone shooter set in the bizarre canyons of Red Rock, New Mexico. Meet deranged characters, upgrade your drone, improve your loadout and defend yourself against the ominous intentions of the A-EYE. How long will you survive?

Annoy your friends and get medals for it: shoot, deploy mines and use your tank's special ability to take the crown in this PVP split-screen frenzy. Collect coins and upgrade your tank. An easy to learn party-game with depth for hours of feuds with your friends.

Who will be the last one standing? Choose your hero from a wide range of universes and play with friends in this party shooter packed with colorful graphics and rogue-like features. It's just plain fun, online or locally, for two to four players.

Choose your character and face thousands of monsters as you fight with various weapons, in this casual game with roguelite elements, your choices will change the future and the present!

Imaginary friends do battle in the mind of young Timmy Bibble! Who will be victorious in this arena of improbable dimensions, where no two rooms are the same and bullets bounce forever?! Get your buddies together for the ultimate showdown in this bullet hell party game!

Pilot mechs as you slaughter hordes of a diverse cast of alien ducks. Build your arsenal from a variety of mechs, weapons and items to survive in ever-changing scenarios.

Super Hamster Havoc is a twin-stick arena shooter about a war between hamsters and rats.

Word Turtle Island is a nature dungeon action shooter where you use words as weapons to rescue books and readers in danger from creatures destroying the most powerful library in the galaxy. After battle, help the books and readers get where they need to be in your book sanctuary home base.