Top similar games like Zero Sum:

Disfigure is a top-down shooter rogue-lite in which you fight countless grotesque creatures shrouded in darkness. Choose from a variety of upgrades to create unique builds each run and survive.

Flood Fill is a fast paced action-arcade game. The concept is easy, the game is not. Avoid the enemies, and section off areas of the map. Section off enough of the map, advance to the next level.

Consume the civilization of the fools who unleashed you upon the universe. Become the Empire Ender.

Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!

Locus Protocol is an incremental rogue-lite retro styled twin stick shooter with heavy sci-fi and horror themes. Protect the core from waves of incoming enemies.

TETRAGUN is quadrant-based shooter where you're surrounded on all sides. You'll gain powerful upgrades as you progress, but so will your enemies.

Frantic Dimension is a retro twin-stick shooter inspired by the earliest twin-sticks, 'Space Dungeon' and 'Robotron 2084'. Never stop moving and shooting... or you'll die.

Obliterate a never-ending horde of enemies while you attempt to reach the 30 minute mark. Race to earn XP and level up to gain new items and opportunities for each run to become stronger than the last.

Project Romboid is a hard, arcade shooter roguelite in which you will have to pick and combine items so that you can survive waves of enemies that will chase you and shoot at you. New items will appear every level. Combine them to create powerful builds that will help you survive.

A broke bounty hunter. A sarcastic robot. 1,000,000 credit debt. Star Scrap is a chaotic twin stick space roguelite. Blast through increasingly difficult waves of enemies to pay it off.

Kill all enemies, Upgrade, Repeat! Defeat thousands of enemies in this incremental roguelite and become unstoppable as you progress through the game.

A collection of 8 typing mini games, 7 game modes that can be combined for a total of 128 unique combinations, and over 1,000 leaderboards!. Whether you want to test your typing skills, challenge your memory, or push your reflexes to the limit, this game offers endless replayability.

Don't get swarmed in this incremental top-down shooter! Unlock new mechanics and upgrades as you defeat more and more enemies. Let drones aid you in combat and use your abilities to become unstoppable.

A retro arcade style Top down shooting game. Shooting them with a machine gun, blasting them with missiles, dashing them with a vehicle, whipping them with an energy chain, or burning them with a napalm...No matter how you get it done, “ALIEN BUGS MUST DIE!”

Overkill Squad is a ultra high-speed top-down shooter roguelike built around intense 1-minute combat arenas. Choose your fighter, unleash overwhelming firepower, defeat brutal bosses, and collect relics to dominate every run.

Fast Food Wars is a bullet-hell shoot'em up rogue-lite game in a procedural generated restaurant with random power ups, weapons. You play as a burger fighting to claim back all the invaded burger restaurant from other fast foods

"Raiden" unites! Get ready to blast into a thrilling new dimension like never before!

Fast-paced 3D roguelike where you shoot through massive cube hordes. Unlock weapons and abilities, create powerful builds, and roll through a neon cyber-arena as the last sphere rising against the Cube regime to restore freedom.

GRIDRUSH is a fast-paced number-sequencing puzzle game. Click numbers in order on a 3x3 grid, racing against time or managing limited lives. With customizable modes, keyboard controls, and global leaderboards, test your speed and precision in this addictive brain teaser. Find your challenge!

A high-speed arcade roguelite where classic physics meet insane abilities. Deflect the ball, survive intense boss fights, and combine 100+ active and passive skills to break the game. Every run makes you stronger. Your goal? Become unstoppable.

A brutal score-attack bullet hell where survival is not enough. Graze bullets, stack multipliers, and chase the leaderboards in Boss Rush and Infinite Arena. No meta progression. No unlock treadmill.

Core Breach is a fast-paced, twin-stick arcade shooter in a pixel art style. Play as a Trojan worm virus, outmaneuvering and destroying antivirus enemies. Upgrade your worm with powerful attacks and skills as you fight to breach the CPU core and uncover its secrets

Nuclear Throne is a post-apocalyptic roguelike-like top-down shooter. Not 'the final hope of humanity' post-apocalyptic, but 'humanity is extinct and mutants and monsters now roam the world' post-apocalyptic. Can you reach the Nuclear Throne?

Uh Oh! You took a little too much Acid and now you're getting plowed by the Evil Fractals and Malicious Machinists!!! The only way out is by going deeper in. Good Luck!

Movement-based horde-escape. Weave through hungry geometry and blast away with dual-wield primary and secondary weapons. Deal damage to charge up your special and unleash havoc.

Shape Swarm is a fast-paced bullet heaven survivors-like where evolving geometric enemies adapt to your tactics. Build powerful upgrade synergies, survive escalating waves, and hold the line long enough for the colony fleet to escape.

Dive into an action-packed, hand-drawn top-down shooter. Explore a dark jungle and fight the lurking soldiers of a totalitarian regime and, of course: dinos! Numerous weapons, grenades, and items make mercenary life a bit easier! 90s retro fun guaranteed.

Do you think you can go all the way?

Blending top down "squirt em-up" action and "Pyroguelike" game mechanics, Flame Over features fast-paced fire-fighting thrills, randomly generated levels, 4 different game zones and dastardly hazards at every turn!

You are stranded on a mysterious island, trying to escape. A sandbox where you stack items, craft synergies, and turn simple weapons into pure power. Experiment with runes, accessories, and pets. Discover the island’s mysteries and rebuild your sanctuary to uncover what the island truly wants.

Shoot. Dodge. Climb. Repeat. BLOODCAST is a frenetic fast-paced 2D shooter buried in TV static and carnage

A minimalist horde survival arena where you’re hunted by an endless swarm of drones - kite the horde, bait them into deadly traps, upgrade your defenses, use special items and survive as long as you can. Every minute the swarm grows denser, faster, and deadlier.

Hyperwired is a classic top-down action shooter, where your spaceship has a plug hanging from it. Wire yourself into sockets, gather upgrades, and unlock ships as you explore a procedurally generated galaxy with roguelike elements.

Nodebreak is a fast-paced, kinetic precision puzzle game, where you launch from node to node at breakneck speeds in an interconnected branching node network. It is an easy to understand, but hard to master test of reflexes and spatial awareness!

Shapes & Shots is a Roguelite Shooter Bullet-hell, where you can control time as you make your way through a twisted and delusional universe. Your enemies will merge, creating infinite combinations to try to overwhelm you: only your skills, combined with upgrades you choose, can lead you to victory.