Games like Martian Invaders

Defend humanity's first Mars colony in this fast-paced modern arcade space shooter. Battle asteroid storms, hostile UFOs, complete challenging missions, and master skill-based gameplay inspired by the golden age of arcade classics.

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.

With your ship, face several exciting space battles, full of shots and powerful enemies. Customize your spaceship by making it more and more powerful and get ready for a space trip that will make your adrenaline skyrocket!

Choose your spaceship and defeat the alien threat that comes from the Moon. Blast your way crushing, ripping apart and exploding hostile aliens that are taking control of powerful weapons and military technology from Earth. Find the entity that controls the threat and make it explode into blood.

The legendary Contra series returns! This reimagining of the classic run-'n'-gun action game from the ‘80s features new stages, new enemies, new play mechanics, and co-op combat for up to 4 players!

The most wicked men that ever lived on earth. Authoritarians, dictators, and tyrants, from Hitler to Stalin, they are all back. Historical Invaders it's a fixed shooter game where you are the chosen one to annihilate the demons of our past and save mankind.

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.

The insect swarm is a swarm consists of millions of alien insects, and you, as the only survival on this barren planet, will have to fight against them dauntlessly. Good luck!

Lead a squadron against the Drone invasion in a top-down space shooter with RPG depth. Take contracts across three galaxies, outfit and upgrade your ship, recruit wingmen, and push the story through to the Nexus.

Defend humanity's last hope, pilot a powerful mech, in Frontlines Crisis! A battlefield swarming with insects makes strategic and combat decisions crucial. Each decision will determine your fate. Defend humanity's last sanctuary, fight fiercely, and uphold human honor with wits and courage!

X Invader is an action roguelite where you hack into big corporations' servers. Use add-ons from fellow hackers to defeat monsters. Powerful, cute bosses guard these servers!

Old friends and bitter enemies await as you invade Earth alongside a Mothership full of alien friends! Blast, beam, and bite your way through an endless swarm of enemies as you and up to three of your fellow hominids cause mayhem with a huge arsenal of weapons, mutations, and acrobatic maneuvers.

A mouse-only, endless sci-fi arcade shooter with dead-simple controls — just aim and auto-fire kicks in. Shatter asteroids into plasma cores, wield three upgradeable weapons, freeze time, and survive endless difficulty scaling.

A bullet heaven roguelite set in a procedurally generated universe. Land on planets to harvest resources, craft hundreds of game-breaking builds, and unleash them on relentless waves of aliens. Every run unveils a new universe: endless challenges, endless discoveries.

A science fiction-themed vertically scrolling shoot 'em up game known for its stunning detailed pixel art, gigantic bosses, and a menacing difficulty. From the legendary studio Toaplan, this is quite possibly the most rock and roll shooting game of all time.

BANAN'EM UP! is a tiny challenging arcade shoot’em up where you shoot down quirky aliens to save your planet. Evade bullets, shoot enemies, get upgrades, survive for challenging waves to defeat the final boss, "The MONKE". Die, learn, repeat: get stronger, be powerful!

Help defend Earth's space base from invading enemy aliens in this incredible game to train reaction and aiming skills. Use your entire arsenal of weapons to destroy enemies of various types. Stand up to protect the planet. Best of luck!

Interstellar mayhem! A bounty-hunting cat girl! Funktasmical genre-spanning action! This one has it all — no foolin'!