Top similar games like GunnRunner:

Electronic Super Joy is a brutally hard platformer set in a world of pulse-pounding electronic music. Run, jump, smash & fly your way through 45+ weird & different levels, with low-gravity, world rotation, giant monsters & swarming missiles.

Elemgate is a unique precision platformer where you'll need to control your speed, changing of the elements and jump timing and to earn more time that converts into score needed to pass 10 stages per level and ultimately across 15 levels in this 2.5D obstacle course challenge to escape an evil god.

The End Is Nigh is a sprawling adventure platformer where you die a lot, but thats ok because you are probably already dead anyway.

10 SECOND NINJA X is a hardcore sidescroller. You're a ninja, there are robots, you've got ten seconds to destroy them all. Get three star ratings, climb leaderboards, discover secrets and stop Captain Greatbeard.

“Shio” is a challenging platformer game in which you deep and moving story by jumping from lantern to lantern. If you are big fan of Super Meat Boy, you will like Shio as well!

A brutal vertical parkour game where every fall costs real progress. No checkpoints. And now the water is rising. Master momentum, learn the map, find faster routes, and climb before everything below you disappears.

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!

Return to the Golden Age of arcades with a hardcore action platformer that pulls no punches! Possesses all the hallmarks of true classics like Super Ghouls 'N Ghosts (SNES), Rastan Saga (Arcade), Castlevania (NES) and more with precise controls, high challenge, and meticulous design.

Giana Sisters: Twisted Dreams is a fast-paced platformer that will plunge you into the heart of two opposing worlds.

Take control of a nimble janitor to rid the world of dust and debris.

Wryn is a girl with a big arsenal and big dreams -- she wants to be the ultimate videogame hero! Help her take down the Greatest Heroes of All Time in an action-packed bid to claim the title for herself and show the world what a true hero looks like!

The infamous, tough-as-nails platformer comes to Steam with a playable Head Crab character (Steam-exclusive)!

Spelunky is a unique platformer with randomized levels that offer a challenging new experience each time you play. Journey deep underground and explore fantastic places filled with all manner of monsters, traps, and treasure.

Wings of Vi is a challenging 2D platformer in which the player controls the angel Vi, tasked with defeating the Demon Lord Jeh’oul after he is freed from captivity. While inspired by masochistic retro platformers, Wings of Vi aims to cut out arbitrary difficulty in favor of skill based gameplay.

When a global war nearly decimated humankind, an evil military organization called Oniken takes advantage of the situation to dominate and oppress the few remaining survivors. Even though any resistance to this organization seemed hopeless, a small rebel movement organizes strikes against Oniken.

LA-MULANA is an “Archaeological Ruin Exploration Action Game,” bringing the classic appeal of adventure with the punishing difficulty of retro-inspired gaming. Search inside ancient ruins, seeking out the “Secret Treasure of Life” – which sleeps in the sprawling ruins of “LA-MULANA” and is said to be the beginning of all civilization.

The definitive version of the smash-hit Metroidvania-style action-platformer, Guacamelee! STCE adds new levels, powers, challenges, and refinements to the sprawling, ridiculous, Mexican-inspired adventure of the original Guacamelee! Gold Edition.

Defy Gravity is an action platformer that is a mix between classic platforming and gravity based puzzle solving.

Play Skelattack and save the Underworld in this fun action platformer! Together with your best bat friend Imber, you jump, slash, and flap your way though the Underworld and stop the human threat!

In a bizarre universe where the oppressed are on the brink of oblivion, Dandara has awoken to reshape the world.

Never STANDBY in this fast-paced, precise platformer and get out of the glitched world! Can you do it faster than anyone?

"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

Angvik is a platform action game set in a joyful but unforgiving land.

140 is a challenging minimalistic platformer with abstract colorful graphics. Rhythmic awareness is required to overcome obstacles controlled by an energetic, yet melancholic electronic soundtrack.

DeadCore is a Platformer-FPS blending exploration and speedrun. Become immersed in a futuristic and dreamlike adventure which will see you climb a huge Tower born from the void and truly put your capabilities to the test. Will you be able to reveal the secrets that lie beneath this fog-ridden world?

The true meaning of the word fear... Once upon a time, fairy tales were valuable cautionary yarns filled with dire warnings and sage advice. However, over time, the stories have become so watered down with cute woodland creatures and happy endings that they have lost their true meaning and purpose. No more!

In this game you will be able not only to plunge into the middle ages, to feel as a brave warrior, but also to have a good time.

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.

Mago: The Villain's Burger is a retro 2D platformer that puts us in the boots of a sorcerer, who was unfortunate enough to eat evil overlord's food. Now he has to rescue his beloved princess from the dinner menu of the evil Gourmet! Nostalgia awaits!

TekSkeleton is a hardcore platformer of the Tek line. Run, jump, kill enemies, and avoid obstacles through 5 hand-crafted levels, enjoy the atmospheric retro graphics in the dungeon style.

Splasher is a fun and challenging 2D Platformer filled with humor and surprises. Armed with a paint cannon, you’ll face the dangers of the Inkorp mega-factory in order to save your companions, the Splashers, and put an end to the Machiavellian projects of the evil boss, Le Docteur.

Somewhere between a platformer, a puzzle game and a great big dollop of pure fun, Fly’N will challenge your skills through more than forty levels set in a luxuriant world. Experiment with the four Buds to save the World-Trees from Dyer, the loony hair-dryer who intends to destroy their Helys!