Top similar games like An Opportunity:

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

Sentry City is a cyberpunk-style side-scroller with gameplay that is part trial-and-error, and part reaction time based. Traverse the city using the motorcycle overworld map, blast and think your way through the levels, and fight tough bosses to uncover who is behind the city's AI disruption.

Inspired by games like Contra and Turrican, Guts 'n Grunts is a mid-paced action game with lots of shooting, swimming, and rolling. Find power-ups. Earn upgrades. Fight for pig freedom!

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

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

In Bebok Invasion you find yourself in the middle of a space invasion and have to fight hordes of enemy beboks. This is a retro shooter that takes you back to the nostalgic times of classic arcade games. The game offers as many as 54 different maps, divided into 6 chapters.

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.

Eternal Bonds is a challenging puzzle platformer where you switch between the perspectives of two characters to solve intricate puzzles. Can you and your unlikely duo escape the spaceship, or will you be stuck puzzling forever?

With the power of gravity manipulation and bubblegum, the Bubblegum Bandit wreaks havoc and takes revenge! Steal from evil robots and blow up their ships!

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

"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.

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!

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!

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

Far Star is a story-driven action-adventure game with Metroidvania influences. There is something fishy going on in this galaxy, but this won’t stop your intergalactic general services crew from doing their job using a varied set of skills, weapons and outfits.

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

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!

Grab up to three friends for a lo-fi, bit blasting adventure! Fight your way through unique worlds and play styles to save the galaxy!

PA: SR is a 2D side-scroller, action-platformer where you play as a Proxy run ‘n’ gun, jump, dash, crouch to pass all kinds of test given by an AI.

Zagu Espionage is a single player, 2D side-scrolling action-adventure game where the player takes on the role of the main character, Zagu, a spy from the Tracha colony, who is traveling to seven different regions to defeat the Rogan empire.​

Brave Soldier: Invasion Of Cyborgs is a pixel art platform game with a lot of action. Help the soldier save the world from the Cyborg Invasion! Good Luck!

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.

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

Sentinel Attack will have you play as both Justin and Erica in horizontal shooter and metroidvania stages as you battle in space and explore the many levels of the Sentinel station.

A little round robot is on a mission to save Earth. Lead your crew into exploring different planets in search of resources, killing enemy robots, collecting different power-ups and upgrading your powers, while solving the mysteries of these planets.

Don't tick him off. Start revenge with Kevin, the main character who lost everything he loved and was reborn as a cyborg!

Xeno Shooter is a action shooter arena game! You play as a space cadet who travels to Andromeda with the mission of defeating the Primordials and thus, achieving a new home for humanity.

Explore an abandoned facility on the planet you've crashlanded, solving puzzles with strange plants along the way.

During a route next to Prasinos, a colonized little planet, Helena received an order to investigate an S.O.S. sign streamed by the mothership Z9. When landing on site, she discovers that the situation was much worse than she thought.

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!

Way In The Stars is a real adventure! Find the reasons for the disaster, save the ecosystem of the planet and colonists, and start your own way amongst the stars!

2D action-adventure platformer with a drill-head hero! Get ready to drill and blast everything in front of you in this challenging game made by fans of classic 90s platformers! Shoot, slide, enter tubes and be launched by cannons, drill everything in your path!

Blasten!! is a retro side-scrolling shooter of robot-busting action! Can you master all the robot power-ups and keep forever peace?