Top similar games like PLANETOIDS:

Tilt is an action-racing game with expressive three-button controls and shortcut incentivizing topdown maps. Upgrade your modules and expand your moveset. Escape time-traveling explosions through different solar systems.

The critically acclaimed update to the Space Invaders franchise has arrived to invade Steam with greatly improved graphics and audio! Packed with pulsing, vibrant visuals enhanced further by interactive sound. The invaders have evolved, the question is: can you keep up?

Deflect bullets and take down invading robot minibosses with just your laser sword, in pursuit of the highest combo!

You need to shoot back from hostile aircraft, including fighters, flying mines, helicopters

Tank And Roll is an Action-Shooter game that challenges players achieve the highest score! There are features such as unlocking new vehicles, drawing your own vehicle, and importing custom avatars for your character! It offers both fun and a rewarding challenge for those who dare to master it!

Grab the fate of all life in your hands. Blast your way through the cosmos, destroying monstrous cosmic beasts and the space cultists summoning them, on your path to stopping your mother from unleashing the chaos realm upon the universe, in this sci-fi cosmic horror bullet-hell, STARR RINGER.

An old-school arcade where a single drone is humanity's last chance against robot uprising. Drop the bombs, fire your lasers, destroy robots and protect humanity!

Fight against an ever-evolving threat in this skill-based twinstick shooter 14 years in the making.

The skies are aflame and the seas will overflow with wreckage in Vlambeer’s stylish arcade shooter LUFTRAUSERS! Take to the skies in customized fighter planes to battle battleships, submarines, and rival aces for glory, honor, and high scores.

Gravity Waves is a twin stick shoot 'em up in space with waves of enemies and realistic gravity to provide constantly changing gameplay.

You're stranded in space in an asteroid field. Use your ship to smash through fuel-rich asteroids for points and fuel, and use any power-ups you find along the way. But remember, an empty fuel tank is just as deadly as an asteroid. The void of space is a tough place to be, but you can't stop now.

Embark on a dangerous investigation in Ultra Mission™, the latest game by Gumbo Machine™. As an agent of the Stellar Exchange Commission, you must traverse the 20 dizzying levels within Otto Labs, each littered with powerful automatons and questionable experiments. This is going to be a blast!

A shoot'em up inspired by the 16-bit classics of the genre.

Heart: Future Whispers is a top-down shooter where you'll face countless hordes of enemies with different abilities! Survive by using your resources to acquire powerful weapons and uncover the reason behind all the chaos in this dystopian future.

Repel extraterrestrial entities!

Syder Reloaded revives the Syder series in this love-letter to 90s Amiga shmups with upgraded graphics and refined gameplay. Challenging levels, a fleet of ships and a motherload of alien invaders. Get back to your roots and curse at your monitor in this skills-first shooter.

A classic shoot 'em up with a modern edge. Galactic Plague throws you into a cosmic nightmare where survival means upgrading your ship, mastering legendary weapons, and battling the relentless Martian invasion. Are you ready to face the chaos?

PRISMIDIA: Spirit of the Rift is a sci-fi shoot 'em up game in the style of arcade classics. Dodge barrages of attacks, survive bullet hell bosses, and save Prismidia!

SOL CRESTA, rise like the phoenix and take back the sun! Neo-Classic shooting strikes back! Dock, split, and form up! Pilot 3 fighters and take back the sun from the clutches of evil in this free-form shooting game with the spirit of 80s shooting classics Moon Cresta and Terra Cresta.

Killon is a retro shooter that features exhilarating combat, manic enemies and a charged cannon waiting to be unleashed. Fly a starship across the universe and restore the future today.

Betrayed by her cut-throat crew, Luna Starr - former Space Pirate Captain turned bounty hunter - has a score to settle. As Luna, travel to 5 exotic planets to track down your mutinous mates, and face them in Bullet Hell dogfights to the death!

Velocity-driven arcade action!

Space Haters is a tough-as-nails vertical shoot 'em up featuring classic arcade-style gameplay and set in the ruthless world of intergalactic music. After his sell-out gig, Photon is on his way to the greatest after-party the galaxy has seen. However, his haters want him gone. For good.

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!

An unknown signal pulses across the edges of deep space. Drive, shoot. Dodge, destroy!

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.

A retro-styled shooter that doesn't take itself too seriously. Warp between platforms and Dash through bullets. Beat up your enemies, or blast them away. Juggle your combo, and buy upgrades in the shop. Track down your corpse after you die.

Cleared for Impact is a 2D precision flying simulator. Navigate the depths of a hostile world, avoid obstacles, dodge lasers and rescue your crew!

A topdown bullet hell game where you control a spaceship and fight waves of asteroids and enemy spaceships.

Crush the forces of hell and get a high score in this addictive, action-packed, arcade-inspired twin-stick shooter!

An old arcade style 2d shmup.

Defend Spacebase 19 from the asteroids swarming down on the station! Shoot down waves of stones and equip different powerful weapons. How many waves can you last? A simple nostalgic retro arcade turret defense shooter.

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.

XenoFeud is an insane top-down twin-stick arcade alien shooter, where you must survive hordes of alien intruders while defending a mysterious object in space.

Space shooter with multiple game modes. Destroy enemies, get experience and increase your level.

Arcade Galaxy - a game made in 2D-hand-drawn graphics, which is a space arcade in a retro style.