Top similar games like Abyssal Swarm:

Join the race for Ether! Mercenary Battle Company: The Reapers is a fast-paced, roguelite, bullet heaven game in a sci-fi setting. Choose your pilots, customize and upgrade your Mecha Robots, and survive against endless swarms of Xeni. Will you survive long enough?

Beyond Fantasy is a top-down shooter mixed with survivor-like elements. In-game mini-games give you the opportunity to acquire pets and colleague.

"Steel Knight's ARMIS" is a roguelike robot game. Lead the rebellion through five chapters, fighting against the Imperial Army and Earth Federation. Customize and upgrade your robot to survive the intense battles ahead.

Inspired by Vampire Survivor. you need to complete various tasks in the raging waves of monsters. During the mission process, you can choose appropriate enhancement options from 120+ unique non-numerical upgrade options to amplify the character's advantages or cover up the disadvantages.

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.

Wasteland sci-fi style light meat pigeon tank shooting game

「TouHou Koishi's Enchanted Woods」 is a Touhou fangame.This is a "reverse-construction" action rogue-lite.Koishi vs. Kokoro! But as the playable character, Koishi uses various enhancement cards to continuously strengthen Kokoro. Can she ultimately defeat the Kokoro she has built up herself?

A sci-fi top-down survival shooter with roguelike action and meta progression. Complete missions, unlock upgrades, and cleanse infested planets.

lone.AI is a space RPG roguelite. With challenging, relentless gameplay, each run has the potential to boost your ship's power, speed, and more. As a lone AI, fight your way through the solar system and uncover the secret behind the ZOSMA, an alien race that holds power over the system.

Mechanophagia is a challenging bullet hell shooter with roguelite elements, set in a dark and gritty sci-fi world. Blast through waves of fleshy aberrations and defeat monstrous bosses. Can you outmaneuver the relentless enemy onslaught and save the robots from their inevitable extinction?

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

S.R.A Project is a challenging roguelike bullet hell wave survival game. Face cosmic creatures, improve through skill and perseverance, and master a world that rewards learning and adaptation.

Pilot mechs as you slaughter hordes of a diverse cast of alien quacks in this survival roguelike. Build your arsenal from a variety of mechs, power ups and items to survive in ever-changing scenarios.

Echo Punk is a roguelite top-down looter shooter with fast-paced combat, tactical upgrades, and endless replayability. Blast through waves of enemies, collect resources, and upgrade your build -- or die trying.

You are a friendly-but-deadly Mech on a journey searching for your missing pilot in this action-packed roguelite shooter. Choose your missions and rewards, research skills, equip expansions, mod your weapons, install plugins, customize your looks and stylishly cut your way through hordes of evil AI.

Prologue version of the game Gatekeeper. Gatekeeper: Infinity is a fast-paced rogue-lite shooter where you'll search for the stolen Heart of the Universe and battle machine enemies! Play solo or join forces with friends in co-op mode.

Robot Arena Survivors is a single-player arena auto-shooter where you're fighting against waves of hostile robots using a powerful arsenal made of hover tank units. Customize your own set of abilities and dismantle your enemies to claim your fame into the leaderboards.

《机械幸存者》这是一款将Roguelike与Rockman EXE类特点融合的弹幕射击类游戏。

Can you survive the Empire's onslaught? Avoid the attacking enemies and upgrade your ship to last long enough to escape in this space survivorslike.

Wreak havoc on countless foes with mighty weapons and deadly spells! Enhance your skills and face even greater dangers! Army of Ruin is an auto-shooter where you become the Bullet Hell.

Drive tanks & robots in a roguelike bullet-heaven, playable top-down or third-person. Survive 15 waves of chaos—drift, shoot, smash, and unleash physics-powered mayhem with customizable builds.

Tarantula Virus is a randomly generated roguelike topdownshooter in a sci-fi style with a lot of items and enemies. Upgrade items unlock new characters find allies and defeat powerful enemies and bosses.

Rocket Rats is a survivors-like game where you defeat cheese-based astral bodies in space – as a rat! Clear waves of enemies, collect cheese, upgrade your gear, and conquer the moon!

Collect synergizing items to create an overpowered character to fight hordes of cyclops monsters. Cyclo Chambers is a fast-paced, top-down arena shooter with light rogue-like elements. 150 items to choose from to create frantic combinations. Different runs every time.

Battle increasingly deadly hordes in an action-packed survivors-like with tower defense elements. Create unique builds, unlock and place towers, upgrade your character, and fight to defend the Kingdom of Stellara.

Astragene is a roguelite shooter where you will have to survive each level facing hordes of aliens. Improve your abilities, choose new upgrades, and create reactions by generating combinations of powerful elements. Each game will be different, will you be able to adapt?

This is a single-player survivor-like auto-shooter. Fight against fleets of spacecraft, gather resources, research technologies, unlock upgrades, and create devastating builds using modern arsenal.

Pilot customizable mechs in an epic battle against hordes of enemiesor dive into intense PvP battles where precision aiming can turn the tide, or let your mech's auto-firing system handle the heat of combat. With rogue-lite elements, each run offers a unique challenge and opportunity for growth.

Command your ship in Conqueror Of The Galaxy, an intense roguelite survival and bullet hell game. Face relentless defenses as you conquer entire galaxies, overcoming swarms of enemies and choosing strategic upgrades to become the ultimate conqueror!

RIG Riot is a roguelike third-person mech-action shooter. Travel through increasingly difficult stages and collect weapons and mods with powerful effects. Discover unique synergies that suit your playstyle, and travel the megastructure in search of rare permanent parts to perfect your RIG.

Fusion of Vampire Survivors Like and Tower Defense! Survive with Towers against waves of enemies. Build towers by day, survive endless enemy waves by night. Expand your territory, gain experience, and grow stronger with each battle. How long can you survive?

A fast paced, action packed, roguelite game with tanks! Blast your way through procedurally generated levels, and build overpowered combinations of upgrades! Face off against a variety of different enemies and epic bosses.