Top similar games like OS Omega: Retro Shooter:

Collection of a few arcade classics, remade with a fresh and friendly looking art style and a beautiful soundtrack.

Sealer of Dungeons is an action-shooter with Rogue-lite elements. Play Sealers on their journey, you will find great treasures and abilities to seal the unknown evil above. Gather precious loot, discover hidden secrets, and chat with merchants to get powerful items. Seal the dungeon, save the world!

Challenging retro twin-stick shooter inspired by old ZX Spectrum games. Defeat all bosses and earn special power-ups before your lives run out.

Space Waver is an action-adventure-shooter space game, with a strong bind to comics. Become a space mercenary and experience his life through multiple contracts.

Wellenfjord Danmaku Adventure is a 2D danmaku shooter bullet hell game, featuring minimalist arts and fast-pacing combat. Includes Campaign and Arcade.

An underground adventure with magic and fantasy-like monsters with a story where actions affect the outcome

Shoot. Groove. Loot. Repeat. Cross an ever-changing city skyline, flowing through encounters in tune with the cityscape’s beat. From the weapons you fire, to the enemies you shoot, to the zen-like flow, the only way to win is to become one with the beat.

The world is infested with giant mutated spiders. In Spider Crisis you operate a small remote control tank equipped with deadly weapons. Use your weapons to shoot, bomb, and burn these creatures back to where they came from.

Exit the Gungeon is a small, spin-off 'dungeon climber' immediately following the adventures of the misfit Gungeoneers.

Get ready for the ultimate space challenge! In this top-down action roguelite you’ll pilot your ship through a low-gravity environment, dodging obstacles and fighting enemies along the way. But be careful, one wrong move could mean the end of your journey. Are you ready to take on the challenge?

A top-down, quick-shot arrow game where precision is key. Master explosive, piercing, and homing arrows as you battle relentless foes and navigate unpredictable attacks. Test your skill in the realm of aberrations to save your loyal pet hawk!

After years in cryoprison, Dr. Green awakens on a mutant-infested Earth colony. Seeking redemption and his estranged daughter Anna, he battles through a ravaged planet in a 4-hour campaign of intense combat, encounters, and adventure. Mutant Gate has ASCII visuals & Steam Deck support.

A Sci-fi Arcade shooter, fly around the screen space and shoot down enemies, gather minerals and exchange them for skills and ships

#Funtime is an explosive twin-stick shooter where shooting isn't your only weapon. Swap your ship's color to destroy enemies, avoid damage, and ultimately control the battlefield.

Create your abilities, destroy your opponents, go as far as you can in this roguelite arcade shooter. Full solo experience with our regular challenges or show them who's the best with the special leaderboard challenges. Do your worst, embrace the infinity.

A unique Snake-meets-bullet-hell roguelike where your tail IS your ammo. Eat bullets to grow, shoot enemies to survive waves — but every shot costs precious tail length. Balance growth and combat across powerful weapons, diverse enemies, and epic boss battles.

Polygon Survivors is a 2D survivors-style roguelite where you fight off waves of enemies using customizable weapons, powerful abilities, summons, and a variety of projectiles. Experiment with endless synergies to survive the polygonal chaos.

Blast bugs and chase high scores in this glorious revival of an old-school classic, all while jamming to a heart-pounding original score by Megan McDuffee. Play solo or tag in a friend for local co-op across 30 unique challenges or the endless arcade mode.

Dead End Job sends you into a madcap, Ren & Stimpy-esque world to bust up ghosts. It’s a procedurally generated, couch co-op, twin-stick shooter that straps a vacuum pack to your back and puts a plasma blaster in your hand. For you, it’s just another day in the office.

In this fast-paced rogue-lite, your health points are your only resource: sacrifice them to acquire vampiric powers and devour your enemies to heal yourself! Beware: every drop of blood counts in this frantic race to defeat the apostles of the Cult of the Sun!

Sluggerpunk is a gripping 2D survivors roguelike adventure. As you navigate through a myriad of challenges, hone your skills and strategies to clash with formidable foes lurking in the underground. Build a versatile arsenal of abilities and gear to enhance your chances to survive, but will you?

A top down shooter where the only way to move and fight is with the recoil of your blunderbuss. Whirl through waves of garden-destroying pests to defend Bert's garden, strive to reach higher and higher scores and become the Top Gnome!

Spent Shells is a high score top-down shooter with roguelike-y randomized elements. Players dive in to an everchanging dungeon to harvest a crystalized power source that will get them home. Fight through the dungeon using a variety of weapons, characters, upgrades, and your own skill! Each run ea...

Nebulock is a short bullet-hell game with intense gameplay, where the player must destroy bosses made of blocks, collect resources and upgrade his spaceship.

Defender's Squad is a sci-fi vertical scrolling shooter 2D that combines 7 different levels. Play Solo and pick one of the 3 ships to kill enemies and save the earth from aliens.

You Are Circle is a fast-paced top-down shooter with roguelite elements and a minimalist neon look. Use multiple powerful and upgradable abilities simultaneously while fighting your way through procedurally generated mazes filled with challenging and clever foes.

Control multiple heroes at once in this dungeon-crawling action adventure RPG, a mix of classic 80's Gauntlet-action and quests.

64.0 is a minimal fast-paced arcade game, where you shoot the squares that have the same color as the background.

Zolg is a minimalist top-down shooter where you explore, fight enemies, collect powerups, and defeat bosses.

Fight in an arcade arena against tons of enemies with weaknesses to be exploited. Progress through a campaign of 75+ levels each presenting a new challenge with different win and fail conditions. Gameplay so tight and colorful it will bring tears to your eyes.

The Gnome Legion has attacked! Save your friends, defend the village and bring the fight to the gnomes! Travel to unique worlds and recruit your animal buddies to help destroy those gnome once and for all!

Thunderflash is a "love letter" to the arcade games of the 80s. It is a Run 'n Gun game inspired by gems like Ikari Warriors, Commando and Heavy Barrel.

Dive into Box Wrangler, a thrilling multiplayer roguelike where every game is a fresh challenge! Earn XP to level up during each match while collecting coins to boost your skills for future battles. Harness the power of an array of weapons and enhancements, reaching ridiculous levels of power.

Riding an extra-terrestrial weapon disguised as a guitar, battle to the bottom of the ocean deep to turn the tides of impending worldly destruction; krill or be killed!