Top similar games like Solo Defender:

Join Captain Rijk as he attempts to escape from the clutches of one of the most villainous species in the galaxy. Help to uncover the horrors that are being carried out on the fringes of the civilised galaxy and become the divine being prophesised to inspire an uprising and destroy The Domain.

A 2D, top-down shoot'em up with simulation elements, deeply reminiscent of those vector games from the 80s. Blast your way trough space, enemies and mystery. Upgrade your drones. Endure your mothership's AI cynical attitude and survive the most realistic shoot'em up ever!

Pewt 'em Up! is a retro inspired arcade space shoot 'em up with lots of upgrades, achievements, extras and more.

Crossfire II is an Retro / Arcade / Top-Down Shooter, originally released in 2002 for the AMIGA. The main part of the game is a classic, fast paced, single player story campaign. Fly different space ships and fight, to save the universe as you know it. Also you get a survival and a local PvP mode.

Cosmoscope is a top down twin stick shooter with a twist. The game combines the frantic action of classic space shooters with unique kaleidoscope inspired gameplay. Tasked with defending Humanity against a mysterious alien race, you will need to use both firepower and your quick wits to survive.

A twin stick shooter without the twin stick, Gunlocked is a sci-fi action roguelike about careful positioning and upgrade selection. Manage unique targeting systems across multiple weapons and upgrades, as you battle legions of alien ships, and then do it all over again!

Stellar Space is a new take on a classic arcade game with a modern, rogue-like, form for new players to enjoy!

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.

Chaotic boss-rush, bullet-hell-y, twin-stick arena shooter mayhem! Dynamically changing arena forces you to be vigilant: Watch the bullets, watch the walls!

Solitarius is a 2D top-down wave shooter set in a sci-fi space environment. It is a free minigame that contains six different levels, eight different enemies and nine different weapons. Instead of surviving as long as possible you have to make it through each level.

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.

Roguelike missile command. Survive as long as you can aboard the Ark, humanity's last hope, in a hostile galaxy.

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!

Rude aliens have arrived to sample Earth's legendary all-you-can-eat buffet, and they're sending a smorgasboarding party down to YOUR dining room. Can you assemble and deliver their plates of food before the aliens wreck the restaurant?

Blast aliens to pieces and start a rebellion in this fast paced pixel art top down shooter where sprinting kills.

Gratuitous Shooty Game is a hobby space shooter made by the developer of Gratuitous Space Battles, reusing the art from that game :D.

After being abducted by a maniacal cyberbot, you must fight your way through a hundred levels of nebulous arenas in your spacecraft to escape. A mouse-controlled, 1366 x 768 indie-game adventure. Prepare to face turrets, mines, asteroids and mechanical krabs intent on thwarting your escape!

Shape the void with the power of your cursor! A Void Shaper is an arcade game about avoiding shapes and killing them, while you collect upgrades. Unlock new enemy shapes and upgrades as you progress through the game and complete your collection.

Hyper Frenzy is a free arena-styled singleplayer 2D space shooter using top-down perspective. Fight in different modes against bots, collect various items and use one of the plenty weapons to defeat your opponents. Create your own maps and gametypes.

An arcade-style 2D top-down space shooter. Blow up space rocks and space pirates for as long as you can. You'll also need to maximize a delicately-balanced economy of resources. Keep trying to out-do yourself! Five boss ships will break in at various points to make life difficult.

Super Real Darwin is a fast-paced, vertical scrolling shoot-em-up that rewards skill and persistence – a cult classic for the retro shmup fan. Take control of a fighter ship capable of mutating into different shapes as it evolves while fighting off enemy invaders.

Deliver packages... in space! Test your agility by navigating through different galaxies carrying diverse packages and upgrade your ship. Will you become the best courier in the universe?

A retro space themed action shooter where your bullets send you flying through the air!

Star Jet Alpha is a top-down space shooter inspired by classic arcade games. Progress through each stage by blowing up enemy space stations while avoiding or destroying enemy missiles, space mines and asteroids. Unlock Star Jet capabilities by completing stages.

Engage in an intense space shooter that you can play in single-player or multiplayer with up to 6 players. Play a variety of different spaceships, each with their own unique stats, components, and playstyles!

A sci-fi exploration & survival game where you take on the role of a spaceship’s AI. Explore, fight, and survive across a mining colony in the Main Asteroid Belt. Rebuild your ship. Rescue your crew. Reveal the truth behind your mission.

Blast through waves of alien enemies in Project AionIX! Master your piloting skills, dodge, and survive in this fast-paced space shooter!

Captain a space freighter on its perilous voyage to deliver vital supplies to the Parvin Frontier! Select your crew, then lead and command their efforts to manage the ship's navigation, engineering, weapons, and more on the fly as crises and obstacles arise in real time.

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

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.

Pilot a stolen alien ship in a rebellion against the Archronite invasion. Fly across the archipelagos of your home world and capture enemy bases with the help of your navigation droid co-pilot, DFX-9T. Battle against enemy Arc Vectors, Fighters, Drones and Laser Tanks, liberate your planet, Melos.

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.

Blue Jay Joyride is a fast-paced 2D space shooter. Go through waves of enemies and fight progressively harder bosses. Collect one of the many unique powerups to give your ship a fighting chance in this intense game.

Space Runaway, a compelling intergalactic journey soaked in bullet hell. Enemy vessels, lasers and larger than life bosses coming at you full speed in a 16-bit authentic arcade experience like no other.

The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.

Thunder Tiger is a fast-paced side-scrolling shoot ’em up, blending 1980s arcade style with futuristic flair. Blast enemies, grab power-ups, and chase high scores in intense 2D stages. Classic retro vibe meets modern gameplay!