Top similar games like Zeo Effect:

CYBRID: Survivor - is a single-player shooter with survival elements. Use your entire arsenal, fight hordes of robots, mine resources and unlock powerful upgrades as you clean up the streets at night. You are alone, against everyone!

Dive into Slasho, a mouse-driven bullet hell roguelike where your precision guides a samurai's blade. Cut through hordes, unlock skills, and face unique enemies in this action-packed quest for supremacy. Are you ready to defy death and embrace the samurai's path?

Play as an Otter in this Rogue-lite action shooter. Mow down through hordes of goons and enemies as you traverse through Panda's Box. Loot among many guns and powerups to conquer the new world.

Become a skilled vigilante in Breaching Harkon. Hunt down the world's worst criminals with customizable weapons and tactical combat. Experience intense gunfights and a gripping narrative. Are you ready to breach?

"Super Smash Asteroids" is a high-speed, twin-stick, top-down, rogue-like space shooter. Choose from 6 unique ships, upgrade with 70+ items & blast through epic bosses. Level up for intense, action-packed battles in a futuristic universe. Buckle up for a thrilling journey to glory!

Demo for Power of Ten, a single star fighter trying to save as many civilians as possible before they are overrun by a marauder armada. You'll need to gather new weapons, upgrade your ship, find resources, trade with other ships and more to overcome the challenge before you.

Blast through chaotic dungeons and unleash powerful weapons as you journey through the multiverse in search of a way home. Dodge, loot, and survive against deadly foes, extracting hard-won treasures to repair your ship and make it back!

Spaced Liberation is a very small indie game about the liberation of a planet.

Endless Firepower puts you behind the trigger of millions of procedurally generated weapons and gives you a reason to use them in this fast-paced action roguelike where everything is generated and you'll never know what or where you'll be fighting next.

Retrofuturistic bullet-hell roguelike where you play as a rogue time traveler, fighting through hundreds of historical foes! Every run reshapes history itself— Shoot weapons from different eras, use time-manipulating skills, and create unique builds to survive until you reach the end of all time!

Cyberscape is a top down round based action game with some rougelike elements. Play as different heroes with unique abilities and fight against the evil robot army. Level up and complete achievements to unlock new items and fight your way through different locations.

The neon-soaked chaos of PixelPop 2087 will guide you in a 2D pixel art adventure where '80s nostalgia meets a dystopian twist from the future! Set in the retro-futuristic year 2087, this indie combines synthwave vibes, explosive action, and quirky storytelling to deliver a cool gaming experience.

A sci-fi roguelike about a lone pilot on a forbidden mission through his galaxy. Piece together his story as you scavenge to build your loadout in this procedurally generated space shoot'em-up.

Exciting arcade action game where you will fight against hordes of enemies, upgrade your skills, and choose from a variety of weapons and abilities. With each battle you become stronger and unlock new possibilities. Dive into thrilling battles in captivating world of "Endless Return".

Destroy hordes of strange machines that have invaded the forest. Yawnoc is a chaotic top-down shooter roguelite focused on immersion into the world of Conway's Game of Life and other cellular automata.

Your name is Dewey. You enjoy playing video games, much to the dismay of your parents. One day, they send you to a reformatory. There, a man electroshocks you. In convulsions, you fall into a world filled with enemies. This is a top-down 2D pixel-style shooter game with roguelite elements.

Sanctum Arcadia is a game where you must fight your way through increasingly dangerous zones filled with enemies, hazards, and mystery. Sanctum Arcadia has a unique but still familiar progression system, challenging and engaging combat, all in a smooth Arcade-like experience.

Grab a gun and take down hostile robots corrupted by synthetic emotions! Combine weapon modifications and wreak havoc in this roguelite shooter. Let your emotions shape combat and alter boss fights! Fight alone or join up with up to 4 players!

Deploy your turrets and defend against an ever-growing mechanical horde! Upgrade your turrets separately in unique ways, use unique character abilities, and create powerful synergies.

Survive Planet Yubglub is a survival rouge-lite, where Earth Representatives must hurl dodgeballs while evading toxic slime aliens and their lethal projectiles. The Earth Reps. must carefully navigate through the harsh environment of planet Yubglub. Choose your character, and Survive Planet Yubglub!

Escape from Andromeda is an overhead 2D sci-fi spaceship looter shooter based in a procedurally generated galaxy. In Escape from Andromeda, every planet is a level, and every star is a part of your story.

Mech Survivor Elite is a time-based survival game featuring action-packed gameplay and roguelite elements.

The juiciest roguelike, bursting with bright colors, massive explosions, and flashy VFX. Unlike other games that limit your synergies, DuckLaserDuck throws the doors wide open. With a vast arsenal of upgrades at your disposal, you can craft wild, overpowered combos without restraint.

Action game character upgrade

PinCOL is an addictive Action 2D Space Shooter, a fast tactical Bullet Hell with Upgrade elements and Special abilities to obtain, the Color Damage Mechanics will drive you Crazy !!!

A tactical action game where you are backed up by an AI controlled recruit shooting mutated villains. Complete missions, operate tasks, and unlock new weapons and items and skills and put a stop to the Ooze Mutations taking over the city

Exterminate the bugs that are hidden on the dark side of the moon. A game based on space exploration, with a variety of items and monsters and a evil to be defeated. Adventure in this space experience and destroy them.

Welcome to Slime 3K, an unhinged roguelite bullet-heaven set in the Despot’s Game universe! Build a deck of crazy weapons, grow stronger and devour hordes of pink puny humans as a murderous jelly blob on a warpath of death, violence and pretzels.

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

Combine abilites to create infinite possibilities of spells and decimate thousands of enemies. King Krieg is a top-down arena roguelite where YOU are the KING and you buy mystical items, find powerful guns, and craft new spells

You are a Sperm Cell that wants to be reborn. Kill other players, destroy viruses and become the first to conquer the Egg Cell! Use thousands of combinations of abilities, many costumes and drones, buy and sell at auction.

Laboratory X-29 is a sci-fi roguelite-like top-down shooter, where the protagonist takes his chances to escape from the Lab after an accident. Shoot your way out to freedom, clear rooms full of other dangerous experiments, find out the secrets hidden in this place and eat chicken to survive.

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!

In Lunar Loot you'll kill aliens to make money. In between waves of enemies, you'll spend that money to buy upgrades and items to make it easier to kill aliens and make money. You can't die, so just focus on getting rich!

Defend the Earth in this hyper intense, visually overwhelming, bullet hell, arcade shooter.