Top similar games like Project Serotonin:

LaserShotz is an online PvP competitive arena shooter! Compete for the best rating on the leaderboards!

Top Down View is a game where you have to fight off all the enemies. Your hero is a thief and he will not be allowed to leave so easily. Throw carrots at them, but do not forget to pick it up again. Knock out medicines from them to last as long as possible. I know you will succeed!

It's a really hardcore challenge. How long can you survive on this arena?

Welcome to Endless Furry Asteroids! The 6th installment of the "Endless Furry" Series!

Dim Glow is a casual game where you control a dark sphere and you need to shoot at enemies, for each hit you get a point. You also have a limited number of bullets, and 4 lives that are taken away if you are hit. And how many times will you be able to hit enemies?

Defend Tiny Island from waves of monsters that come every night! Collect various skill and building cards to grow stronger. Complete your own skill tree and use building cards to place structures that attack your enemies.

Axembler is a collection of single-level games developed in a single application.

Endocrisis Hyperactive the next top-down shoot em up with intense action. Absorb bullets to increment your power and pass through levels with tons of enemies and bullets and, of course, intense boss battles.

A planet hopping sci-fi based adventure game filled with fighting enemies, solving puzzles and platforming.

"GTAQ" is a highly flexible top-down shooting and strategy game!

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.

Fast reaction and strategic plans and laying traps are the cornerstone achieving victory in Regiment of Armour. Overcome the odds PvPvE against other players, zombies and soldiers. Start with teams or form them along the way, the rules of war are up to you to decide. https://discord.gg/hxvyPpHdxz

Fight off monsters in a national park and send them back to their own dimension!

Escape From Inferno is a top-down shooter where you play as an angel named Lordrid to escape Hell. There are 10 stages and your goal is to survive the hordes of enemies until there are none left.

Castle Rain is a 3D top-down action game where you control Billy, a mushroom whose island was devastated by a villain who turned his friends and everyone around into manipulated zombies.

BomberHero is a thrilling multiplayer game inspired by Bomberman. Up to 4 players can join online battles or play against bots. Customize your hero, collect power-ups, and dominate diverse arenas. Are you ready for explosive fun? Join the action on Steam!

This is a bullet screen shooting role-playing game, where players can freely match their decks and have a thrilling battle!

Good old fashioned 2D arcade fun with tons of upgrades and fast paced action where taking risks is rewarded with a higher score. Defend humanity's last source of energy wrench in one hand, laser gun in the other

Fight through historical locations of World War 2 with 1 of 5 classic WW2 fighters. Sink battleships with the help of your wingmen, recapture islands with the help of your tank crews.

Soda Sabotage is a Sci-fi 2D top-down shooter, where the player guns his way through 25 levels and 5 bosses belonging to a soda weapon factory using their own weapons against in order to disable the evil soda weapon making factory. Shoot, dash but most importantly survive!

Cyber Avenger is a top-down action game where you take on the role of a highly skilled covert operative on a dangerous mission to stop a group of terrorists. You must navigate through five maps, facing a variety of enemies, including shotgunners, snipers, melee fighters, kamikazes, and more.

"Tunnel War" is a role-playing pixel war themed game, the game based on the history and the movie "Tunnel War" in the simple peasant door in order to defend their homes against invaders, players need to unite all effective forces to build defensive measures, the enemy to resist outside the village.

Protect your small off world farm from a variety of oversized and hungry alien bugs. Gain access to a varied assortment of weaponry and equipment designed for high caliber pest control. Bring a friend or two for added firepower.

As the largest economy of mankind, Naya launched the angel coming plan to transform human genes. The project failed. Naya was occupied by the crazy gene scientist Longli. As a former executive of Naya, grace began to fight against evil. This work is a third person shooting game.

Have you ever imagined a race between teams starting from the same point, but with OPPOSITE DIRECTIONS? The encounter is inevitable. Survive your enemies, complete laps and score points for your team or strive to disrupt your opponents race. Choose the best strategy for your team.

Fight the bosses and save the king. In this top down shooter your goal is to go through each of the three bosses and save the king! With 3 health and bosses that you can't touch, have fun trying to get through this challenging top down shooter!

In a world where medals have power, players can choose from a variety of jobs, including knight, mage, priest, and archer, to fight monsters and strengthen their characters to their liking. This is an online action shooting game that can be enjoyed alone or with others.

Wizard Blaster is a top-down time survival roguelite where you play as a wizard. Use magic to fight off hordes of evil. Choose from different characters and abilities to survive.

Bullet Time is the new shooting fun game. Mafia took your dog and you are coming for a big revenge! Use only one bullet and one shot to kill them all. Are you ready to test your shooting skills with one shot ONLY?

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!