Top similar games like Intrusion Protocol:

Vlambeer's SUPER CRATE BOX is coming to bring back the glory of the golden arcade age, when all that really mattered was getting on that high score list. Grab your baseball cap and loosen your pants, it's time to fight endless hordes of enemies and collect every weapon crate you can.

Upfall is a game about bouncing, dodging, and near death experiences. Burst bubbles to progress upwards, but be careful to dodge the hazards in the depths. How far will your upfall be? A free game for the in betweens.

You Have to Win the Game is a free exploration platformer with a retro 1980s PC aesthetic.

Control a soda-propelled penguin in this fast-paced precision platformer!

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!

Help Eddie to retrieve the Skull Medallion sitting atop a mountain walled by a perilous jungle and an ancient temple full of dangers.

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

Challenge yourself and master 4 Distinct worlds with 66 finely tuned level screens and climb to the top of the Steam Leaderboards in this retro pixel art speedrunning platformer!

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!

Fight your way across the celestial world of Avalice where cats are green, motorcycles drive up walls and monster girls do most of the buttkicking! Freedom Planet is a cartoony, combat-based platform adventure that pits a spunky dragonoid and her friends against an alien attack force.

Run, Jump and dash your way through 65 challenging levels. Collect orbs too boost your speed and race to beat your own personal time in this hard to put down indie title! Collect all missing magical stone pieces to craft Tenkos legendary sword.

Shovel Knight: Treasure Trove is the complete Shovel Knight collection, containing all 5 games in the epic saga! Dig, blast, slash, and bash your way through a fantastical, 8-bit inspired world of pixel-perfect platforming, memorable characters, and world-class action-adventure gameplay.

DIE, REDROP, REPEAT. In this Platformer, every Death leaves a platform behind; Climb your mistakes! RAGE, CRY, ADAPT. Then do it all again. Try now and prove you're only *mostly* bad.

Red Bash is a difficult, retro-styled precision platformer with one catch: use the enemies projectiles to your advantage. Redirect them to destroy obstacles or boost yourself to even greater heights. Master over 45 tight, handcrafted stages in multiple environments that offer different challenges.

Gilded Eternal is an action arcade game about luring monsters into the King's crushing hand.

ENYO is trying to let go of an old Dystopia. It's also a 2d action platformer that does not require destroying things.

Battle Princess Madelyn is a game that follows the journey of a young knight in training, Madelyn, and her ghostly pet dog, Fritzy. Join them as they set out on a journey to save her kingdom and her family from the clutches of an evil wizard!

SBBP is a 2D platformer with pixel graphics. Blue boy’s girlfriend is kidnapped by aliens so he goes through 21 levels to save her and he also fight bosses along the way.

Explore the world as an Alkali metal in this innovative precision platformer! Explosively react with water and other elements to traverse obstacles, while picking up chunks of metal before you deplete your alkali metal body.

In this fast paced retro platform game, you must think fast as you run, jump and swap colour, making your way through 8 floors of challenging and amusing colour changing mayhem.

Fatal Grounds is a very challenging retro inspired platformer. Embark on a journey to escape a hostile world to get back to your home world.

Fight your way free in this 8-bit-inspired version of Furi's first boss fight against The Chain. Frantic action, nervous controls, a blend of shoot and sword fight reimagined in 90s style. Only 1 boss fight! A gift to Furi’s fans.

Penarium is a frantic 2D arena arcade game where you take on the role of Willy, trapped in a sinister circus show. Run, jump and avoid an array of killer death-traps while being cheered on by a sadistic crowd that’s out for blood.

You are Chubbit, a plump bunny plunged into a precision platforming nightmare! To escape, simply move left, move right, and master the nuanced dynamics of ceaseless bouncing!

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.

Choose a character, select a world, and GO! The goal is simple: complete the levels as fast as you can. While mistakes are unlimited, they only slow down your race to the end. Precise platformer gameplay combined with the different abilities of each player makes each playthrough different.

Space Monkeys is a solo-developed, fast-paced action game where you must unleash your inner ape to face 12 unique levels in space. Use skill and strategy to dodge lasers, evade enemies, and collect bananas in zero-gravity on your journey to escape a retro-styled evil space station.

Help a poor frog get paid by participating in a highly unethical experiment in this physics platformer!

Sentence has been passed on the dark carrot, so hop down the rabbit hole and hold on tight. An epic retro platforming adventure unfolds as you brave nightmare worlds and encounter a colorful cast of quirky characters on the road to rescuing your friends and conquering the shadows!

2D precision platformer with tight and responsive controls. Gunjump your way through challenging obstacle course. Rescue your lame dad who's been kidnapped and get home for dinner.

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.

Muppy The Bunny : The Danger of Wishes is a 2D platforming game inspired by many early platformers from the 90's. There is a bunch to do in this game, like running from a giant cat, flying a plane, using a parachute, swimming, driving a mine-cart, and so much more.