Top similar games like An Opportunity:

With the desire to return to Earth, Apollo knows that his intelligence and the laws of gravity will be his greatest allies in solving puzzles, crossing space and protecting himself from dangers never seen before!

Break the laws of physics, dash and shoot your way through levels full of hazards and machines gone rogue. In this retro game, you control Project Gravity Storm, an advanced machine able to control gravity itself; however, the mother computer will not make things easy for you.

Gun Crazy is a fast paced and hectic arcade style action shoot em’ up sporting old school pixel art and a retro sound track.

In a world devastated by machines, humanity places its last hope in a warrior equipped with special armor. Explore intense stages, face challenging bosses, and fight to reclaim what remains of the planet.

MindSeize is a 2D Metroidvania game set in a Sci-Fi-universe. Transfer your mind to a robot and rescue your beloved one!

Capsized is a fast paced 2D platformer focused on intense action and exploration. As a intrepid space traveler, your ship has crash landed on a mysterious alien planet. You must navigate through the perilous environment and fight off blood-thirsty creatures to save your crewmates and escape with your lives!

Solve puzzles by switching between the perspective of an astronaut and their robot. Flip levers to deactivate lasers, send boxes through portals, and much more to get both characters to the exit doors!

A Step From Insanity is a 2D platformer-shooter where you play as a man with many psychological illnesses searching for the end to his insanity. Guided by an unfamiliar friend, search for the mysterious sanity powders told to be able to cure any mental illness.

Feel good traversal sci-fi explorative side scrolling ability upgrade shooter with no map system, large areas and action puzzle bosses.

RABBAT is a physics-based, 2.5D platformer. Play as a small robot, using a jetpack and defeating enemies. Collect scrap to customize the robot’s parts, listen to radio songs while you explore the diverse environments, meet other robots, defeat enemies, bosses, and two extra minigames to enjoy!

"Havoc Runner" is a futuristic action and 2D platform game that will take you to Titan's moon to face killers robots, missile launchers, and automated weapons in a hostile environment where you must find and destroy the Tupan computer, preventing a missile attack on the planets of the solar system.

A fast-paced platform shooter inspired by 90s classics. Follow Robot-X on a journey to protect the city from a new danger, fight bosses and jump over pits in this retro experience.

Code Arcturus is a retro inspired arcade-style action platformer, with aliens, robots, spikes, explosions, and lots of coins. Blast your way through levels, compete for the fastest times on the leaderboards in Speedrun mode, or put your skills to the ultimate test in Nerfed mode

Hoboman is a 2D NES-style platformer with a unique Sci-fi story and wild characters. Play as Pluto the Voltran as you hop ships from planet to planet and collect geodes to get your life back!

Explore and uncover the mystery of a surreal alien world by blasting aliens and glitching your environment in this intense retro side-scrolling action/adventure.

Blast your way through a world of deadly robots and monstrous machines in this explosive run-and-gun action platformer inspired by '90s classics!

A unique super-tight platformer with varied, highly challenging platforming and enemies. Run, dash, jump, and shoot to make your way through the secret fort and recover the stolen power orb. Featuring (currently) more than 150 difficult screens. Fast deaths and lightning-fast respawns.

The world is under a frantic alien attack. Amidst the chaos and with the army virtually subdued, the deadliest and most inconsequential pair of specialists are called upon to do what must be done. Join the war hunting aliens around the world and in every way possible.

Play as Captain Grisham, and uncover the secrets of Planet 4-514 in this thrilling prequel to Side Scape!

A fast-paced 2D handcrafted metroidvania with strange sci-fi environments. Something is roaming the halls, watching your every move.

A pixel-art sci-fi adventure set in the midst of a rebellion against a totalitarian regime, LUNARK is a modern take on the 2D cinematic platformer genre of the '90s. Run, jump, hang, climb, roll, and shoot your way through gorgeous and mysterious locations!

Xeodrifter is the story of an interstellar drifter traveling the stars on a simple mission of exploration. We join our nomad as he embarks on the investigation of a small cluster of four planets in the omega sector, after a collision with a rogue asteroid damaged his warp core.

A combination of platforming with a gravity gun, BEEP is an amazing physics-platformer. Despite its friendly art style, this is a hardcore platformer in the truest sense.

Adventure through a Grim and yet beautiful Earth, teeming with life, humor and killer robots! Features hand-drawn art, a blend of action & exploration ... and hidden chests with hexadecimal codes :D

An Action-Platformer inspired by Mega Man 2, Dimensions has the player fight crazy bosses, collect and upgrade weapons, and find secrets. Players will take control of a sprite from the 2D universe to save the 3rd dimension universe.

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.

A 2D platformer game where precision, timing, and skill are key. Sprint and jump through increasingly-challenging levels that test even the most experienced platformer players. Can you help Person retrieve the Super Turnip from Master Alien and his minions?

"This is some of the most fun I've had with a game so far this year, and it will go down as one of the best side-scrolling shooters of all time." - 9/10, Destructoid

In E-Elementals you will play as E-Elemental 1k7. E-Elementals are advanced bots that are tasked with doing a variety of different tests and trials. Initially the tests seem normal, but 1k7 will quickly learn the truth behind them...

PLANET ALPHA, a beautiful alien world filled with mystery and danger. Pursued by relentless enemies, you must harness the power of night and day as you struggle to survive.

Do you miss the times when games were not holding your hand? When they did not forgive mistakes and controls and rules were clear and simple to learn? YES? So you miss the 90s!

Paradox Soul is a chilling fight for exploration and survival; a Metroidvania pixel action-shooter hybrid!

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

SFERA - Action platformer. A mix of 3D and retro 2D graphics. You are an assassin for the SFERA corporation. You are tasked with destroying a gang of robots.

Dino Space Station is a 2D pixel art platformer. Restore power. Evade dinosaurs. Escape the wreckage. A meteor shower has wrecked a station full of resurrected dinosaurs. Navigate dark, perilous corridors, dodge raptors, and survive. Warning: Gameplay maybe anxiety-inducing.