Top similar games like Nebula Invaders:

Astropods: Starside Glaze is an energetic 2D Fighting Platformer! Experience freeform movement, engaging combat with knockback, and badge upgrades that redefine playstyles. Feel the power of fun and curiosity mold your limitless potential to bring back the stolen Waterfall of Dreams!

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!

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!

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.

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.

The world is your weapon in this earth-slinging platform fighter where champions defend their continents from collapse!

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!

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

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.

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 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.

Live the life of an aspiring arms dealer in a Cyberpunk city. Complete thrilling bullet-hell combat simulations with your trusty battle mech, while managing your precious stock of weapons. Drink coffee for combat boosts, hunt bounties, and overcome difficult battle modifiers.

Repel extraterrestrial entities!

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.

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

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.

Wall Street meets street fighting! Engage in arcade-style trade duels where you buy low, sell high to drive your opponent into bankruptcy.

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.

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

Raven Fighter is a classic shoot‘em and roguelite game where players can customize their favorite weapons to defeat the final boss. Different weapon combinations result in varied outputs, accompanied by rich visual effects for an enhanced gaming experience.

Save the galaxy in this unique space shooter! Based on the legendary Google Play title, Super Space Slayer 2 features completely re-designed mouse, keyboard and gamepad controls that make it even better than the original.

Fast top-down space shooter with varied missions, relentless enemies, powerful ship upgrades, and most importantly, fire.