Top similar games like Cosmos: Stella Returns:

Gemaboy Zero X is an action, exploration, and platform Cyberpunk Ploidmania videogame. It is the latest installment in the PLOIDS saga in which Omega will have to travel through time to preserve it and rescue his beloved Alpha!

Sci-fi 2D shooter platformer combining the control of a human character and an armored vehicle on the surface of a planet filled with robots and immortal local inhabitants

Delve into the world of Super Roboy, a hand-drawn Metroidvania in a post-apocalyptic setting! Learn enemy skills, explore an interconnected world, battle mutants and robots, and uncover the emotional story of a young robot searching for his father.

A Game Boy style 8-bit platformer, giving you an old-school experience in which you can switch characters at any time and use your digging skills to make your way through the terrain!

Play as Cobra, the space pirate, in an action platformer adapted from the famous anime series. Along with Lady Armaroid, your loyal partner, and equipped with your iconic Psychogun, you must solve a mysterious threat hanging over the entire universe.

An adventure in space through a cow that was abducted and is trying to return home. Explore the planets, solve puzzles, save the mimosas and collect parts to improve the ship that will take Mooh back home.

In this 2D sci-fi pixel art adventure, you can mine, craft and fight your way through an almost endless universe full of procedurally generated planets.

BLACK WEREWOLF - Werewolves from neighboring lands invaded your lands and began to destroy all your property. The village elder had no choice but to send you to deal with the enemies and find out what was going on.

Play as Turdy the Turtle, (what kind of name is that...) as he traverses the vast open world. Collect coins and discover secret items, pets, passages, levels, costumes, and more while meeting some interesting characters along the way.

Travel to the Tower in the Sea to avert the apocalypse, in this exploration action-platformer. Join Auria, a retired war hero, as she adventures through a beautiful and dangerous world to save her family and the fabric of reality itself!

Carve your way with fire and steel to find out what secrets lie beyond the Mist in this intense 3-hour-long action-platformer game. Get ready to wield the flames and burn everything!

Set your course and explore a variety of environments on the seas in Phantom Tides. Battle various enemies and bosses as you collect items to help you on your journey. This 2D style platformer will challenge your skills and wit.

In Mage's Legacy, you play as a brave mage who fights monsters, explores mysterious areas, and uses magic to overcome challenges. Bringing along your familiars, you will search for treasures and solve mysteries to uncover mystical stories and the ultimate secrets of this magical world.

A brutal sci-fi double-coordinating action adventure with intense math-inspired bosses and environments. Either a test of skill or wit.

A real time open world strategy game. Game consist of a massive overworld with many planets and dimensions. You play as a hero and master of many summons, discovering new lands even in the farthest reach of the galaxy through expedition and conquest.

Outpost Delta is a single player, 2-D side-scrolling sci-fi shooter for PC. Take on the role of Delta, the outpost’s emergency defense, who along with her AI companion must defend the space station against alien intruders.

Apogee's bash'em and smash'em adventure plunges Johnny Dash into the evil Underworld of Count Chuck, when his dog Tex is kidnapped by Count Chuck along with hundreds of other dogs & cats! Guide Johnny through the Count's gruesome schemes, rescue all the pets, and end this nightmare once and for all!

Death Leak is a 2d twin-stick shooter/platformer with an emphasis on exploration. Use the gamepad to fire throwing knives while avoiding enemy projectiles. Explore the world and figure out what caused the massacre of your village.

The Monk is an epic adventure in the cyberpunk world. Blood, implants, brutality and fights. That all you can try by yourself

A single screen retro platformer with a ticking clock, large maps to explore, upgrades to find and lots of secrets.

Aeterna Lucis is the highly anticipated sequel to Aeterna Noctis. Following the gameplay steps of the first entry in the series, Aeterna Lucis is a Metroidvania that combines fast-paced combat, a large interconnected map, secret hunting, optional challenges, and a rich and deep story.

Cross the universe, shoot aliens, upgrade your weapons and face powerful bosses with AB in this retro inspired lateral shoot 'em up to save the world. Adventure into Campaign Mode or face the never-ending waves of Endless Mode with suitable challenges for all skill levels.

A Sci-fi 2D Action Platformer about a Space Pirate who has crash-landed on an unknown planet. Hack, slash and explore this bizarre and challenging retro-style world. (100% to unlock 'Levels' - Tidal Rave's new single!)

Stardawn Heroes is a rogue-lite action adventure RPG set throughout the stars. Explore, battle, harvest, and craft your way through procedurally generated planets on your journey to the Gateway of the Ancients.

Metroidvania style action/platformer with tons of abilities, enemies and exploration.

Astral Flux is an action-platformer with roguelite elements where each run is different. Traverse hostile alien planets, discover dark secrets, and face powerful foes in combat.

Save your school in the thrilling maze chase game, "School Hero." Eat bots, deploy special weapons, and challenge friends in multiplayer mode. Available on Steam Deck for gaming on the go!

Glimmer in Mirror is a 2D story-rich action shooting game. Play as Shiro in a collapsed world, to meet various unique NPCs and monsters, and gradually uncover the truth of the world through a gripping story.

A highschool gang leader Ringo Ishikawa trying to live through his last autumn before graduation. With his best friends.

Escape from a wide laboratory dominated by battles between rebelling test subjects and armed scientists. Solve puzzles, get into battles, and discover secrets as you progress through this action-packed 2D-Sidescroll-Adventure.

POWERNAUT 2 - A tough retro style platformer! Using a variety of weapons and special powers, you must fight through an unending series of levels! Each one is randomly generated so you'll never have the same experience twice!

Explore the abandoned CCTA through various simulations of alien environments, and improve your equipments to beat natural and synthetic challenges, looking for the ingredients that can resolve the Earth dispute, in this 2.5D science fiction adventure.

Who will you be when they arrive? Forgather is a 2D Pixel Art Action/Adventure episodic tale that takes place in the capital, Onstaan. Traverse this Lucin plagued city as you battle your way through the STAR's forces until you find out what it means to be Worthy.