Top similar games like Breach the Abyss:

Blast aliens to pieces and start a rebellion in this fast paced pixel art top down shooter where sprinting kills.

Void Prison is a fast paced, endless arcade twin stick shooter that puts you inside of an ever shrinking ring. Survive by fighting emerging enemies around you and don't get consumed by the void. Complete achievements to unlock new skins and powerups and get on top of the leaderboards!

This is a rogue-like top-down shooter where you control a spaceship that is sent out to explore the caves on the Moon. Once you enter the caves, you find out that there are enemies. It is up to you to survive against them while also trying to find the path down to the next level of the caves.

Starshot is a difficult space shoot-em-up with rogue-like elements and randomly generated levels. Will you be able to upgrade your ship and pilot it to safety, or be destroyed in your search for stardust inside the automated production facility?

Mow down the alien hordes, scout for resources and survive. Dreadnought is a mix of Action Tower Defense Survival and Shoot 'Em Up Bullet Hell where you control the ships turrets & defend against waves of enemies. Choose your weapons, upgrade your ship & brace yourself, the horde is coming.

Bullet Bunny is a twin-stick shooter with rogue-like elements. Fend off an onslaught of enemies, level up, and create unique builds every run while trying to survive 500 seconds!

Stellar Space is a new take on a classic arcade game with a modern, rogue-like, form for new players to enjoy!

A twin stick shooter without the twin stick, Gunlocked is a sci-fi action roguelike about careful positioning and upgrade selection. Manage unique targeting systems across multiple weapons and upgrades, as you battle legions of alien ships, and then do it all over again!

Time and date are not important. Aliens have boarded a military vessel deep in space. Little do they know, #T217, a combat clone onboard the dreadnought, has been waiting for them. Use a wealth of weapons and mechanics to eliminate them with expert precision.

lone.AI is an upcoming space RPG roguelike. With difficult, relentless gameplay, each run has the potential to increase your ship's power, speed, and more. Explore the solar system and find out the secret behind the ZOSMA, an alien race that holds power over the system.

Shape the void with the power of your cursor! A Void Shaper is an arcade game about avoiding shapes and killing them, while you collect upgrades. Unlock new enemy shapes and upgrades as you progress through the game and complete your collection.

Fast paced shoot em up played across 12 levels. Point your ship in any direction, deciding constantly between extra firepower (firing in any 2 directions) and movement. Or deploy the directional shield to block bullets from a single direction, point your ship and dodge simultaneously.

AGIS - A Game In Space is a top-down twin-stick-shooter.

Tear across the desert, obliterating wave after wave with speed and precision. A tight, punchy arcade shooter with ludicrous weaponry, exhilarating combat, and daily leaderboards

Dark Galaxy is an action based rogue-like top-down shooter. You pilot a space drone to oppose the insectoid like species called Minaripods. Illuminate the darkness and get stronger by travelling to different star systems. Can you free our galaxy from the invaders?

Brutal (one hit kill) twin stick shooter with hilariously fun and clever enemies. Also has roguelite and Sci-Fi stuff.

You've been dropped into enemy space. Weave your Starfighter between alien spaceships, lasers, asteroids and bombs destroying as many as you can and collecting valuable coins and powerups as you go.

TimeTreker is a 2D pixel top view shooting game. Heroes with different operational skills, paired with different combinations of weapons and plugins, use their own armed factions, and through continuous battles, go back to the past and save the world! Join QQ group: 469563452

SURVIVE the swarm in this rogue-lite + survivors + asteroids mashup! Exterminate as many alien drones as you can. Upgrade your ship from the crafted deck of equipment and power-ups. You are the Last ship against the Endless... Will your choices be enough to overcome the thousands hunting you?

Aliens have invaded Earth! Towns, cities, deserts, they're everywhere! Take on the role of Earth's last super soldier and confront the alien menace in this intense twin stick shooter!

Find powerful weapons, fight monsters and discover the secrets of the Zone. Each weapon is different.

Halo: Spartan Assault brings the excitement of Halo combat to Steam for the very first time. Battle your way through 30 action-packed missions against the Covenant as you explore the origin of the Spartan Ops program featured in Halo 4. *DirectX feature level 10 required. *

A fast-paced, challenging 2D top-down mini-roguelike with random levels and 30+ powerups. No two plays are ever the same and completely free-to-play. Avoid the many perils, collect copious loot and slay the final boss to escape the mini dungeon in Bitty Knight...

POWERNAUT 2 - A tough retro style platformer! Using a variety of weapons and special powers, you must fight through an unending series of levels! Each one is randomly generated so you'll never have the same experience twice!

A top-down rogue-like shooter. Customize your weapons with looted upgrades to stay alive as long as possible.

Chaotic boss-rush, bullet-hell-y, twin-stick arena shooter mayhem! Dynamically changing arena forces you to be vigilant: Watch the bullets, watch the walls!

Blast your way through an endless horde of enemies in this pixel art top-down shooter. Collect their remains in order upgrade your character for increased combat abilities. Tekla is a top-down shooter with roguelite elements.

Pewt 'em Up! is a retro inspired arcade space shoot 'em up with lots of upgrades, achievements, extras and more.

Isometric. Massively Multiplayer. Capture The Flag. Skirmish. Bug Hunt. And more. Welcome to FreeInfantry - the world's first massive multiplayer online isometric shooter.

Embark on a cyberpunk action-adventure in zero-gravity as brother Mailcom, on a mission to uncover dark conspiracies and determine the fate of Zion space station. Enjoy physics-based movement, environmental puzzles, emergent combat, all set to a mighty dub soundtrack.

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!

Frantic 4-player laser ricocheting top-down shooter. Keep it casual and enjoy the chaos, or master the surprisingly deep mechanics to obliterate your enemies. Duke it out locally in free-for-all or 2v2.

Destroy enemies on a roguelike-ish setting, using multiple weapons and powerful abilities to break the own concept of time! Regain back your memories as you advance, knowing unique characters and uncovering the dark truth on what has really happened... BURN THE WITCH!

A vertical arcade shoot'em up with an inventive teleport system, lots of fast-blazing action and explosions, tons of boss fights, a risk/reward based score system and a proper challenge for both veteran and new players of the genre.