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.

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. 

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~

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.

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.

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!

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

2D platform game that aims to challenge the player to overcome its levels. This is achieved through traps, platforming, and more demanding controls. The game requires you to think and prepare before making any move; it's a game designed for players looking for a challenge.

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.

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!

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.

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

Unite the FELLAS and fight for FREEDOM!

Run! And Jump. Run Bird Run! is an infinite runner where you play as a bird, jumping over rocks. The game is designed to be more relaxing than intense. After jumping over a few rocks and finding your rhythm, you might just enter the flow state.

Enter the world of Angry Bean: a frantic arcade game where armed beans face swarms of alien insects! Destroy enemies, collect weapons, and survive challenging stages.

Razsoul: a side-scrolling action platformer with heroic combat. Players jump, double jump, fly, shoot fireballs, dodge projectiles, navigate obstacles, and battle bosses. Its appeal lies in fast-paced gameplay, strategic power-ups, and escalating difficulty, testing reflexes and skill.

AIM　× 　ADVENTURE "AMNYAM” is a platform game in which you climb to the top and aim for the summit with your ‘Mouse Aim Skill’. It supports multiplay! With three difficulty settings, it's suitable for everyone from mouse beginners to aiming experts.

Classic run n' gun gameplay mixed with fast paced melee combat! Rack up your combo to unleash even more powerful attacks!

Join BoomBlast to rescue a hijacked airship. Discover a new SPEEDRUN with simple and exciting mechanics, defeat all enemies and get your airship back.

A 2-D action adventure platformer where you can absorb and manipulate things with your friend Moku. You can use different abilities to explore and interact with the world.