Top similar games like ACCEL-X:

Deadly Racing Duel - in the role of a racer who conquers circuit auto racing, you accept challenge after challenge in order to prove how good a racer you are.

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.

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

Super Hexagon is a minimal action game by Terry Cavanagh, with music by Chipzel.

Dead End Job sends you into a madcap, Ren & Stimpy-esque world to bust up ghosts. It’s a procedurally generated, couch co-op, twin-stick shooter that straps a vacuum pack to your back and puts a plasma blaster in your hand. For you, it’s just another day in the office.

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.

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

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.

Tiamat’s Drink is a shoot ’em up roguelike game inspired by the 16-bit era consoles. Fight against powerful enemies, defeat unique bosses, unlock challenging levels and obtain extra powers! So get ready and don't forget to enjoy our exclusive soundtrack!

BULLETHELL is an experimental, retro-hardcore, barely playable, ultra-fast-paced arena top-down shooter.

A game about parrying, attacking, and overcoming difficult foes

Play as the Turtle Daddy on his lifelong mission to save turtle babies from predators around the world . . . and beyond!

Devilishly difficult but insanely rewarding physics puzzler. Play through 85 levels of diverse and ingenious physics-based challenges.

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

Caught off guard, Johann Weiss had his sister kidnapped by the LaVey Order, a satanic cult led by Behemoth LaVey who's going to sacrifice her to Satan to summon Hell on Earth. In this take on Metroidvania and early Duke Nukem games, you must help Johann save his sister Joanna from LaVey.

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.

A gross 2D point-and-click precision platformer about parasitic worms. Guide them through a human body as they evolve from tiny parasites to city-engulfing monsters in this tough-as-nails arcade slither-em-up!

Siaty's Return is a challenging slow-paced bossgame inspired by both solo games and MMOs, featuring an innovative combination-based gameplay. Combine the three Facets of destruction, resilience and movement into powerful abilities to defeat your corrupted creations.

Tumblestone is the first original action-puzzle game of the past fifteen years -- completely reinventing the genre into a deep and cerebral puzzle solving experience that you won't forget.

Dodge! Shoot! Go faster! Break the sound barrier in this unbelievably fast game and go straight for the first place in the leaderboard of BARRIER X!

Sir Lovelot is on a quest to find the love of his life. Join him in this wacky tight platformer, where impressing cheeky damsels is harder than a heart of stone!

Action boss rush game where every fight is a final boss. Throw bananas, dodge attacks, and learn the patterns of hostile animal bosses in the zoo. You have one goal. Find your stolen plushie.

"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

SnakeLaw Island is a quirky platformer filled with devious levels, loads of boss fights, and a beautiful soundtrack! Navigate a sprawling world of glaciers, deserts and forests as you meet the lovable cast of characters in this world locked in conflict.

AeternoBlade is a Time-Manipulation Hack-and-Slash Action-Puzzle Game. Join Freyja to take revenge on Beladim, the Lord of the Mist who destroyed her hometown and unravel the mysteries of AeternoBlade.

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.

Play as Coz the Cosmic Kitten as you travel the solar system reconnecting the universe together.

Experience the absolute lowest-resolution backyard sports game possible in this quirky, ultra-minimalist cornhole simulator. Master intuitive swipe-to-toss physics, swish or slide your way through 3 frantic arcade modes, and fight for global leaderboard supremacy. No rules. Just bags.

CHRONAC! The roguelike action game where you shoot, slash, blast your way out the facility that created you. Gain powerful upgrades, face unforgiving enemies. Together.

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.

Created by solo developer Nikola Kostic - Traverse a haunting world set in 1939 Germany in search of a mysterious girl with rabbit ears. Utilize a little bunny in creative ways to solve puzzles. Levitate sheep, use them as torches or wolf bait and make your way through a dangerous land.

Mirador is an online co-op hack-and-slash boss fighting game where the bosses you encounter are created by rival players! Go on arena-runs solo or with friends, find loot to create your own Sentinels and send them online to fight other players around the clock!