Top similar games like Space Duke:

A 2D top-down shooter game

Control the ball with gravity and smash through endless hordes! Collect weapons and skills, power up to the max, and survive the onslaught!

Take control of atypical characters and blow up as many enemies as possible. Single player or multiplayer, fight for wealth and get equipment that shows your power!

A peaceful animal kingdom, everyone was attacked by ferocious animals that suddenly appeared while having a good day. Survive the purple animals as if they were infected. Either carry a gun to survive, or they'll be lunch boxes.

Moon Dancer is a vertically scrolling shmup featuring an exhilarating lock-on laser.

Shoot neon wireframe enemies, earn shards, upgrade five auto-firing weapons, and prestige through the void. A first-person idle clicker with match-3 combos, boss fights, and endless progression.

SpaceDRG is a high-octane, motion sickness inducing action game featuring cute pixel art graphics. Fight against the letters D, R & G in a space themed 1980s retro arcade environment.

This is a top-down shooter designed primarily for multiplayer. Players control a variety of unique characters and battle across stages filled with intense bullet patterns. (This game is an unofficial fan game based on the Touhou Project.)

Take a 5 minute break to de-stress with this high-intensity, ultra simple, retro arcade shooter! Take down airplanes. Dig tunnels. Hide and seek shelter. Try and beat the highscore. That's all. Afterwards, you will go back to your life with renewed energy of body and mind.

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

The retro shooter with the fastest mini games in the Wild West! Step into the boots of the town marshall, get rid of nasty cowboys and dodge the corrupted sheriff. And when your shift is finally over, enjoy some downtime at the saloon!

Join the quest to overtake the void and become a hero! In this game, you will slay your enemies in a point and click fashion and overtake the void for good, or so you think... Join the quest in taking over the void to find out!

Gray goo is a short retro arcade shooter with lots of upgrades. This game is about destroying goo in space and saving the universe.

Image Striker is a 2D vertical scroll shooting game.

You are the last survivor. Your friends and allies got killed during a raid. Can you survive the endless waves of enemies?

"Snack Party": a cute twin-stick roguelike (2-4 players). As a sentient pudding, flee the night market, shoot/dodge, mix 100+ food powers, wake apathetic allies, and seek your purpose.

Terra Flame is a horizontal shmup inspired by the 90's. The feature is that you can switch between three types of weapons in real time.

2D pixel TPS game, Through the keyboard control move and attack, Defeat the enemy gain experience to upgrade and strengthen weapons to live as much as possible.

Simple vertical scrolling shooter with a bear as the main character, 5 stages in total

Shoot meteors with a variable fire main, and various different power-ups. Survive and set a new hi-score today!

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.

Music-themed bullet-hell shooting for beginners to advanced users

Raging Blasters is a vertical scroll shmup featuring high speed scrolling and the exhilaration of destruction.

The true meaning of the word fear... Once upon a time, fairy tales were valuable cautionary yarns filled with dire warnings and sage advice. However, over time, the stories have become so watered down with cute woodland creatures and happy endings that they have lost their true meaning and purpose. No more!

A space station, infinite waves, and a screen full of vector geometry trying to kill you. Your turrets auto-fire. Your satellites orbit. This is bullet-hell-yeah. In-game and permanent upgrades. 17 upgrade types across 9 weapon classes. Play, upgrade, repeat.

"Infinity War Land" is a pixel-style Roguelite game that combines exciting shooting gameplay, strategic weapon upgrades and dungeon exploration elements.

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.

BulletGarden is a 2D vertical shooting gamewhere you explore a planet where the seeds you sow blossom into weapons.You can handle about 300 different types of weapons,each with its own unique characteristics.

Pixel art click and keypress duels in the wild west. The story mode has 13 opponents to duel for the fastest draw, you will find them in 4 possible areas based on your progress. In local PvP is where you can see who of your friends is the best outlaw, ideal for challenges at events and parties.

WE HAVE ALIENS, YOU DON'T—Blast Martian invaders and flying saucers across 30 stages with robotic voice effects. Use your destructible shield, rescue army men for bonus points, and chase the high score.