Top similar games like Nebula Invaders:

Space Adventures 2 in 1 is a collection of arcade-style space shooter games taking inspiration from classic arcade games. Both game modes focus on quick movement and reflexes, maintaining a retro-like feeling, featuring cartoonish sprites and sounds, and are designed for short, replayable sessions.

airplane killer - We only dream of peace - the enemies are preparing a treacherous attack on your homeland, which you simply cannot forgive them. Without thinking of anything better how to accept an unequal battle, you get on your plane and go to the enemy's lair to destroy it once and for all!

A racing game set in the vast space, where bright neon lights contrast the endless dark emptiness. A joystick based flying game where you shoot robots, speed past walls and other obstructions.

Space Dance is a 90s-inspired space simulator where you defend Earth from alien invaders. Choose from three weapon types, face challenging battles, and upgrade your ship to compete for the highest score. Get ready for an intense space adventure!

A physics based fighting game where planets sumo wrestle. Grab with your moon and bounce with your planet to launch opponents out of the solar system. 1-8 player sumo battles & single player campaign.

Extermination Overdrive is a single player 2D arcade shooter set in space. Battle swarms of enemy space craft and massive dreadnoughts.

Caveflyer is a campaign-driven bullet hell where you pilot a strike craft and command humanity’s space fleet in a desperate struggle against the Cyborg menace threatening the asteroid belt. Secure safe mining operations by driving them back—but danger lurks deeper than metal foes alone.

Battle 1-3 friends in the fast-paced & frantic arenas of Zero-G Gunfight. Pickup different guns that change how you move & fight. Dodge enemy bullets & avoid unique hazards as you strive to be the last one standing!

Get ready for intense space combat in Quantum Gravity! Invert gravity to soar through space, engaging in long-range and melee battles against a variety of enemies. With four game modes, including Infinity Mode and multiplayer PvP, there's never a dull moment in this action-packed bullet hell game!

Breach In Space is a 2D shooting game with challenging combat and very hard platforming. Find a way back to home galaxy through 4 different planets.

Pulse laser battles between you and enemies.

Pichenette is a flick-fighting game! In fast-paced, intense matches, attack, dodge or block your opponent’s flicks. Play solo or locally against a friend.

Paddle Panic is a chaotic co-op game for 1–4 players where everyone paddles the same boat using the same key. Sync your strokes, dodge deadly river obstacles, and try not to flip the boat as you race downstream together!

After being abducted by a maniacal cyberbot, you must fight your way through a hundred levels of nebulous arenas in your spacecraft to escape. A mouse-controlled, 1366 x 768 indie-game adventure. Prepare to face turrets, mines, asteroids and mechanical krabs intent on thwarting your escape!

Grab your friends and jump into an action pack arena battle in zero gravity! SpaceBoots is multi player twin stick action shooter. Use your boot magnets to stick to a wall, then push off and fly across the room, dodging incoming fire and unleashing destruction on your opponents.

Defender Zed-001 is a fast-paced arcade space shooter where you battle endless waves of enemies, upgrade your ship between rounds, and push your skills to the limit.

Rip the ground from under your feet and hurl it at your enemies! Vacuum Uprising is a pixel-perfect destruction platformer with physics-based combat, epic boss fights, and local multiplayer for up to 4 players.

Control a rocket in this fast-paced 2D game, blasting meteors and dodging obstacles to achieve the highest score possible. Take on exciting challenges and climb the leaderboard!

Fight vicious monsters and other unknown threats on a floral and foreign planet as TukTuk. Utilize your imagination on diverse, precise and intense platforming and skill your character based on your preferences on your epic mission to rescue TukTuk's Mother.

Enter the chaotic world of Exo Helljumper: Descent X, filled with mutated foes and lurking dangers. Combine items and strategy to conquer relentless levels. Face unique foes and formidable bosses, test your cunning and skills, and feel the thrill of battle as you push beyond your limits!

A game that features a single boss fight where you play as Patch, an anomaly in a world he doesn't belong in.

A complex fighting game with one attack. Features fast-paced, expressive movement and rollback netcode.

Fight epic tank battles, upgrade your vehicles and survive in dangerous conditions. Explore the world, find resources and fight enemies to become the best tanker. Join "Walking Steel" and prove your strength and tactics on the battlefield!

A game that fuses mythical fantasy, 2D fighting mechanics, frame-by-frame ink painting, and free strategy. The game deeply explores four mechanisms. Before playing, it is necessary to understand the concepts of these mechanisms, making it relatively difficult to get started.

A simple fighting game with one attack. Features fast-paced, expressive movement and rollback netcode.

Tournament of Beans is a unique PvP game where you can alter the map to your advantage.

Space Defender is a top-down 2D arcade space shooter with some RPG elements.

Starkheim Tournament is a 2D fighting game set in a fantasy universe with a pixel-art style. Featuring simplified, easy-to-learn controls, it’s designed to be instantly accessible and quick to master.

Gunstorm is a space shooter loaded with playability. Wave after wave of alien craft attack your agile ship. Use the mouse to control your ship at the speed of thought in a perfectly balanced game that starts easy and gradually gets more difficult.

Repel extraterrestrial entities!

Tiny Knights is an arcade fighting game in medieval fantasy, with elements of management, trade and pumping up the fighter.

Battle against other crabs with time tested arcade action! Form galactic partnerships and starlight rivalries in the story mode, or battle against other players locally with more than 20 unlockable crabs- some strange, many powerful.

Polygunners is a cross between a twin-stick shooter and an RPG. Upgrade abilities, explore dungeons and towns, and fight bosses to progress through the world. Playing with your friends with local co-op cranks the experience up to 11 for satisfying dynamic gameplay.

Captain a starship in a thrilling 2D shooter, dodging asteroids across galaxies. As you journey to Horizon Station, each galaxy's challenge intensifies. Can you navigate the cosmic gauntlet?