Top similar games like Astro Defender:

Super Slinger is a cute and funny pixelated arcade-like shooter where you fight against the alien invasion in an attempt to send them back home. Cute art, juicy gameplay, difficult stages, and SLINGSHOTS!

Everything: All in 1 offers you many different types of games in a single game package. Many different types of games such as action, platform, zombie, war, racing are waiting for you. Instead of paying for similar games one by one, you can buy all the games together at a very affordable price.

Mencia. A never was tale, is a styled rogue-like, 2D platform, in which you will have to face agains an invasion of cute aliens using the properties a magic sword will give you. Let's go!

Fly through the exciting skies in this unique side-scrolling platformer! Collect balloons and feathers to gain the ability of flight as you navigate dazzling landscapes and face off against surprising obstacles and enemies during your aerial journey across the world!

A curated anthology of classic Flash games by SeethingSwarm. Play 25+ games from the golden age of the web — preserved just as they were, with fullscreen support (F11) — all launched through a console-style retro menu.

STUCK is a retro-style platformer where you play as an astronaut stranded on an alien planet. Use your jetpack to run, jump, and bounce on enemies as you explore levels, avoid hazards, and collect ship parts to rebuild your ship and escape.

Help ranger Riki to fight an unknown menace which could destroy not only the Amazon forest but the entire world. A fast and yet challenging game.

当四肢退化，只剩脖颈。 论末世长颈鹿如何驰骋异星~ 两人短时间制作的小品游戏，希望大家喜欢~

Sir Noggin is a platformer inspired by the glorious 8-bit days and in the style of the Master System. Relive the days where the controllers only had a couple of buttons and you'd have to re-tune in your television sets. 

Conquer 17 challenging levels in this 2D platformer adventure game, using a combination of spells, your sword, and other skills and abilities. Explore the overworld between levels, defeat demons, find secrets, and gain experience to make yourself stronger for the challenges ahead.

Step into Captain Ege's fun and colorful world with pirates. Collect gold chests and pass the levels. Kaptan Ege'nin korsanlarla dolu eğlenceli ve renkli dünyasına adım atın. Altın sandıklarını toplayın ve bölümleri geçin.

Embark on a thrilling adventure in this 2D platformer and see if you can brave numerous obstacles in a quest to save the world from eternal darkness.

Speed through a sinister space station to free yourself and fellow aliens from captivity in this 2D fast paced platformer!

Magical Girl Dash 2 - Triple Prisma Attack! is the second game of the Magical Girl Dash Series. Protect the streets of the city and fight against evil creatures causing chaos. Choose between three different magical girls, each with their own playstyle, and increase the Public Safety of the city.

Classic platform game, retro style. Help Lily or Sury to rescue your friends from the Evil Wuning, through 8 worlds and approximately 32 levels.

OH MY KAIJU!!! IT'S...KAIJU!!! KAIJU KITE ATTACK!!! The FIRST EVER SHMUP-platformer! Get your kite in the sky now! The Kaiju are coming to town to burn it down. Save your Meemaw! Save the universe! FLY OR DIE!

Volvy's Adventure: Reslimed is a spectacular remaster of the original remake of the unreleased action-platformer starring the most famous video game mascot of all time.

A 2D Puzzle Action Platformer set in a fully explorable world and beyond.

News of the Great Flood has reached the South Pole, and rumor has it there's an Ark ready to help... but only one spot per species! Jump, slide, and sabotage your rivals as you race against time to secure your place. It's every penguin for itself and the world against them all!

Nocky El Armadillo is a love letter to the 16-bit generation of challenging 2d platformers. Avoid traps and evade enemies while mastering the controls.

The most tongue-tastic hero is back! Jump, fight, and complete MOMBO COMBOS in a new journey packed with action, intense challenges, and monstrous bosses. Explore new worlds in this 2D platformer with powerful forms and a mighty army of pets! The world needs our little purple hero once again!

In this 2D action platformer, you'll play as a humanoid reptile and save the planet and your people from an evil corporation! Reach the control center and activate the self-destruct mechanism! It won't be easy, as there are plenty of traps, obstacles, and heavily armed guards in your way!

Xeno is a 2D platform game - we move left and right and jump in the game, we can shoot and, in some cases, sneak to eliminate enemies from hiding. The game will also feature the use of the environment, such as exoskeletons or vehicles of all types, and puzzles.

Hot Pickle! Is a 2D platform jumping game. Run, jump, shoot, and dash your way through 10 epic food-themed levels.

FastBall 2 is back and faster than ever! Roll, jump, and dodge your way through 155 action-packed levels using simple one-tap controls. Easy to play, tricky to master, and endlessly addictive fun for players of all ages.

Join Waldo in a fast-paced 2D adventure! Fly across Mosquitópolis, battle enemies, and uncover the source of a mysterious virus in this fun and educational shoot ’em up.

Prepare for "Hell in Video Game Form" in this brutal, tough as nails, retro, platforming-adventure game! Save your starving tribe by collecting riches within a spike filled dungeon!

Bauer is a side-scrolling fun little endless runner game where you help a simple mouse fly his plane and avoid all the obstacles in the air.

A colorful and retro 2D platformer where you must shoot enemies, platform around tough obstacles, and race through several distinct worlds each with its own unique challenges and gameplay elements. Can you make it to the end?

In this surreal platformer, released in 1985 for the Commodore 64 and ZX Spectrum, you have been transformed into a bird, and must fight to save the human race from the invading Kremins by exploring an expansive world and collecting useful items.

A double game mechanic, classic platformer and runner, free the banana village from the evil king gorilla by punching and breaking stuff but halfway each level, gear up, it's time to shoot some gummy bears!

In this Marioid styled game you can help little cat Bobo. Jump on enemies, run, scratch and spit furballs to fight your way back home. Bobo feels completely powerless and struggles to get in shape at first, but he constantly learns new mechanics and abilities.

SlimyLeap is a fast-paced pixel-art infinite runner where you play as a brave little slime trying to go as far as possible without dying.

Step into the mystical world of OverRealm, where you step into the rhythm and fight invasive creatures!

Unite the FELLAS and fight for FREEDOM!