Top similar games like Martian Invaders:

Defend the Little Spaceman Dudes from aliens! Blast waves of Alien Abductors and UFOs across 50 challenging levels in this fast-paced ’80s-style arcade space shooter.

Mashup of classic arcade games.

Spacejack a UFO and turn alien tech against its owners across 49 action-packed stages. Use black holes, nukes, slow-mo, and more to survive escalating waves and save the planet.

Super Arcade Boy returns in a retro shoot ’em up with 8 levels, waves of Greenies, power-ups, and 8 big boss battles. Talk with the alien leader—then save the planet.

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.

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

Time to bug out and blast back in this arcade shooter packed with waves of insects and UFOs. Fight through 50 challenging stages, grab power-ups, and chase the high score.

AREA WARS™ is a fast-paced 2D omnidirectional shooter where you battle enemies from every direction in a constantly changing enclosed area. Defeated enemies trigger chain explosions that engulf nearby foes and boost your score multiplier. Built for short, repeatable runs with score-focused gameplay.

Top-down arcade space shooter with retro pixel-art style. Fight waves of alien invaders across world landmarks, buy upgrades between battles, collect power ups, participate in events & missions, defeat epic bosses, and more.

Invaders from the Lost Sectors is classic arcade action. Aliens descend with increasing speed towards your base. Shoot them all before they land. Player controlled settings like guided missiles, rate of fire, enemy speed and more help you customize exactly the game experience that you want.

This is a retro space shooting game, where you only fight against the strongest enemy. There are 15 unique bosses in the game, and players need to use different weapons and strategies to defeat them. Dedicated to you who are both challengers and retro game lovers.

Repel the humans! Safeguard the future of all alienkind! Fueled by a large selection of quirky upgrades and power-ups, strengthen the alien alliance to destroy Humanity's Last Hope in this fast-paced retro action-arcade shooter with roguelite and tower defense elements.

In the vast depths of space, lies a man with a dark past. Setting himself apart from that old life, and seeking justice against wrongdoing instead of being the cause of it, Captain Righteous uses the Freedom Fighter, his trusty space fighter to search for and combat the evil Captain Buster!

Battle for Asciion is a classic horizontal shoot ’em up built entirely from real text characters. No sprites. No pixels. No images. Just pure ASCII action, massive bosses, weapon upgrades and retro arcade challenge.

Gunshot Arcade combines the action of a classic arcade shoot 'em up with the meta-progression of a roguelike. Buy some weapons, upgrade your gear and survive as long as you can. Unlock much stronger guns from wave to wave and reach a new record, good luck.

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.

A vertical-scrolling space shooter, and a love letter to classic arcade space shooters, Tryü Sora blends retro charm with modern gameplay. Master a handcrafted campaign, explore secrets, and dominate fast-paced modes in this addictive space adventure!

A fast-paced retro arcade shooter inspired by classic 1980s side-scrolling space combat. Weave through organic obstacles, survive relentless enemy waves, and defeat powerful end-level bosses in a pure, skill-driven singleplayer experience.

Super Duper Arcade is a compilation of reimagined timeless arcade classics. A passionate love letter to 1980s and 1990s arcades. Chase high scores in single-player mode or go head to head with a friend to see who's worthy to call themself the Master of Arcades.

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!

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

Xentron Attack is a multi-directional shooter. The evil alien forces called Xentron have invaded your galaxy and spreading dangerous meteors and missiles in the space. Fight with smart enemies who calculates your movements. Turn your ship precisely and use the borderless space wisely.

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.

A quick and action paced retro styled arcade shooter, or shoot 'em up (shmup) if you like. Perfect to play in short chunks, like when you are waiting for big games to download.

Dwarf Star: 16 bit inspired game where mercenary go shoot shoot on evil alien guys who were accidentally fabricated by the government. Top down space shooter with a mission based structure. However, you can do these missions in plenty of different orders with different amounts of upgrades.

In this classic retro arcade-style space shooter, you'll embark on a thrilling adventure through the cosmos, battling against an onslaught of alien invaders and formidable bosses. With its pixel graphics and pulse-pounding soundtrack, Xappy Ship is a love letter to the classic space shooters.

A 2D vertical shoot 'em up that lets you upgrade your ship with an insane amount of options. From missiles and pods to specials and shields, you can upgrade every bit of your ship from guns to thrusters.

EXOVORE is a fast-paced twin-stick space horror shoot’em-up inspired by the arcade classic Sinistar. Harvest asteroids, build your arsenal and face an evolving alien terror that hungers for your ship’s core. Retro-style visuals meet modern chaos in this relentless fight for survival among the stars.

A sci-fi 80s retro shooter and bullet hell. Use your plasma cannon and bombs to repell an alien invasion. Either defeat the alien robots building and upgrading the blocks and turrets - or blow all of their blocks up! 20 straightforward levels.

Absorb matching enemy fire, unleash devastating burst attacks, and survive escalating waves of neon arcade chaos in this fast-paced reactive shooter.

Zenvader is a super retro shooter mixed with roguelite elements. Dodge the barrage of bullets, improve your unit, and try to defeat the Alien King!

Use quick reflexes and sharp aim to simultaneously blow up enemies and block alike in this satisfying retro style action brick breaker! The third installment in the Game Buddy series that faithfully recreates the look, sounds, and feel of classic late 80's handheld games!

A classic old-school shooter with the possibility of upgrading your own spaceship.

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.

A retro-inspired 2D space shoot-em-up. Mine asteroids! Shoot alien saucers! Get rich or die flying!

Help Haru defeat the armada of the astral void in a fast-paced roguelite retro space shooter.