Top similar games like Penetrator:

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

Gravity Ace is a 2D multi-directional gravity shooter (cave-flyer). Descend into dark caverns, fly and blast your way past enemies, retrieve the reactor core and make your escape, all while fighting the deadly embrace of crushing gravity. Do you have what it takes, pilot?

Blast and weave your way through enemy fire while managing a wide variety of ship power-ups in this retro style horizontal shoot-'em-up!

A shmup without shooting. Reflect the bullets with one of your two shields. Bite-sized arcade action. Cover humankind's retreat and make it count.

In this classic side-scrolling shoot-em-up, originally published in 1989 for the Atari Lynx handheld console, take on the role of a starship pilot trapped in a web of 51 interconnected hostile universes by the evil spider Zendocon.

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.

Escape Space is a classic arcade space shooter with RPG mechanics. Fight for various factions against swarms of enemies or bosses and improve your standings, level up your rank, unlock new gear and weapons, and upgrade your spaceship.

A spaceship crash landed on Mars! You have to wear a jet and fight!

A retro shooter with a new power: the power to become any ship.Lost in the depths of space, you are a being of pure psychic energy with the uncanny power to take over and control anything you see in order to survive.Built for PC, Enemy Mind lets you battle your way through 70+ waves of challenging enemies.

In 1985 N.O.M.A.D. pushed the boundaries of what the 8-bit computers of the day could achieve with both their graphics and their gameplay. A fast-paced, all-out action shoot ’em up, this retro classic still retains a fan base to this day.

A throwback to the golden age of white-gloved 16-bit video-game mascots, Spectacular Sparky is an action-packed platformer with wacky characters, explosive weapons and boss battles to treasure!

The Rush is a horizontally scrolling shoot 'em up with graphics inspired by classic space shooters of the MSX. Buckle up and see if you have what it takes to master the highly adaptive Chameleon Quartz space fighter and single-handedly obliterate the alien invaders!

Outnumbered and outgunned in deep space? No problem! Turn your enemies' attacks into pure bullet heaven with your shield tech and absorb projectiles to power up your ship and score big! But when your shield expires and it's danger time, you better switch up your strategy fast...

Sidescrolling Shoot’em’up that will transport you back into the 90s (and space).

ATOMIC GUARDIANS is a fully CO-OP arcade retro shoot 'em up, where one player flies the ship, and the other player mans the shields. Fight your way through a never ending horde of Brutal Bosses, Alien Monsters and Gigantic Asteroids as you rack up a new world-wide high score. Play with up to three friends, and see how long you can last!

Take flight in one of three unique ships to battle a legion of enemies and massive bosses across a city sky, through a dark cave, along the bottom of the sea, and into a secret laboratory! Confront a buff, flamboyant crawfish scientist to retrieve the Power Pearl and save your job!

Joust with Jetpacks! Classic Arcade action packed mayhem! Destroy your friends! (or just bop them on top of the head) Climb to the top of the global leaderboard! Knocked out of the round? That's okay, just become a saw blade, or a freakin' laser and seek your revenge!

Horizontal old school 2D shooter where you play as a bounty hunter named Nada. Survive another night at your very risky job, save the space non-alignment colonies from police raid and get back home at one piece alive! 7 levels, loads of new-retro-feel SHMUP fun!

Defend the galaxy from vicious space pirates! Seize your foes and fire them back at their allies for devastating destruction in Toaplan's legendary horizontal arcade shooter, now on PC with all-new features and quality-of-life bonuses!

A multiplayer platformer where monsters are controlled by the other players!

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.

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.

A New Retro Classic Defender Arcade Game. Defend these Little Spaceman Dudes from Aliens! Blast your way through waves of Alien Abductors and UFOs while defending Spaceman Dudes from being abducted in this fast paced 80’s style modern remake.

In this top-down vertical-scrolling shooter, originally released in 1987, take on the role of a lone pilot fighting the forces of the evil Emperor Hades. Contains both the Commodore 64 and ZX Spectrum versions of the game.

An arcade style ship vs ship stealth battle. Find them before they find you. Destroy their ship before they destroy yours. Only skill will determine the victor.

Your job is to locate and transport the containers to your base avoiding enemies on your way. Your ship is equipped with a hook to carry the containers. This is a physics based arcade game, inspired on the very early classics and with a strong Commodore 64 feel on it.

Dynamic 2D retro, pixel-art, shooter. Fly fast, shoot accurately. Fight back the Rivanirs invasion. You are the Captain Jackson, you are their Doom.

In this sidescrolling shoot ‘em up, you are the top pilot of the Exile Squadron, who has to stop the invading colonial forces. Unlock and upgrade an array of tactically diverse weapons, complete bonus objectives and compete with other players on the online leaderboards.

The year is 1989. 12 years have passed since the Gogoh Army’s invasion of Earth. Exposure to alien technology during the war enabled Earth’s own technologies to take massive leaps forward. International conflict that was previously rife in the history of mankind fell to an all-time low, and the Earth Federation was established as a...

Soar through concrete and cosmos in Star Racer, a retro-infused combat racer. Drift through hazardous pavement, defy gravity and glide through the stars, and crush the competition by any means necessary!

You are a hungry, young hoverbike racer who needs to get off Earth before it E-X-P-L-O-D-E-S. Hunt bounties, throw races, and do whatever you can to get to Mars and win the Grand Prix.

Code Arcturus is a retro inspired arcade-style action platformer, with aliens, robots, spikes, explosions, and lots of coins. Blast your way through levels, compete for the fastest times on the leaderboards in Speedrun mode, or put your skills to the ultimate test in Nerfed mode

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.

Guntech 2 is a return of the good old “cave flyer” shoot ’em ups genre. It’s a twin-stick shooter influenced by such classics as Thrust, Oids, Geometry Wars, and Asteroids. You can play in single-player, or couch co-op with up to 4 players!

Jetboy is a retro supercharged jetpacking pixel shooter with a pumping metal soundtrack.

Repel extraterrestrial entities!