Top similar games like GUN&DUN:
GUN&DUN FREE
You play as a gun in order to shoot down lots of enemies in order to increase your high score. Enemies of different difficulties and colors...and even a boss fight. Pick up power-ups and don't die to beat your high score and unlock new colors to customize your gun.
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Solaroids$9.99
Classic Asteroids® updated with modern gameplay and perfected controls. Explore hazardous environments and sneak around asteroids to surprise attack giant bosses. Upgrade your ship to use additional power-ups. Single player or fight with up to 3 friends with intense local coop.

Opalescence$2.99
The colorful top-down shooter/bullet-hell

ESCAPE FROM VOYNA: ALIENS FROM ARENA 51$7.99
Escape from Voyna: AFA is an action packed realistic single player shooter set in the era of the Cold War on russian soil. After many nuclear tests the land is devastated and apocalypse spreading. You, a secret agent stranded on an island try to escape without getting caught by enemy soldiers.

Almohadin: escape from the basement$4.99
Help Almohadin escape from the basement in this hardcore platformer adventure combined with an original visual novel!

BlastZone 2$9.99
BlastZone 2 is a sci-fi side scrolling shooter that combines 2D and 3D gameplay elements with a shifting camera. Play solo or join up with a friend locally or online to battle the alien forces! There are many game modes, ship types, and difficulty levels, find your favorite combination!

Interstellar Sentinel$11.99
A thrilling sci-fi fantasy shmup / shoot'em up with epic boss battles and a vast arsenal of futuristic weapons! Battle legions of demonic entities, restore the cosmic balance, and save the universe! Flow state gaming to unleash your inner hero! Feel your skills grow on your way to 1CC S+ tier rank!

Anceder$12.99
Dive in the VR arcade shoot-them-up (shmup, shoot'em up, bullet hell). A lot of action is awaiting you. "Insert coin" and jump in the shmup !

You Go Boom$8.99
Are you a true gamer? Do you have what it takes to prove your skills across a variety of simplistic mini games? Test your skills against Jeb's collection of homemade arcade games. But be warned, you'll get no help from him, not even instructions for how to play his silly games.

Cyberpulse$14.99
Slam your way through waves of viruses and hurl your friends through cyberspace in this flashy arcade thrower that combines classic twin-stick action with inventive physics for an electrifying adventure.

Mixolumia$9.99
In this entrancing musical arcade puzzler, diamond blocks slide together on a gem-shaped board and explode in glittering chain reactions.

METAL BEANSFREE
METAL BEANS is a 3D Action-Arcade game where you control two desktop buddies in a computer space. Protect the PC from digital threats by charging up your way through virus creatures and upgrading Catbot and Robitz in the system!

Bounty of One$6.99
Fallen hero of the Wild West, you’re wanted and in disgrace! Grab your guns, survive endless hordes of bounty hunters and fight to clear your name! Bounty of One is a fast-paced casual roguelite bullet hell for 1 to 4 players. Dash, Dodge, Shoot, Repeat!

I, W.O.M.A.N.$3.99
Battle dangerous robots that have been taken over by a malicious alien program. Customize your character, then fight your way to the Bridge, using power-ups and specialized weapons, to reboot the Central Computer before the berserk robots make it to the human passengers aboard the spaceship.

Polygon Hunter$9.99
Polygon Hunter is a fast paced third-person shooter in which a child falls asleep in geometry class and in his dream faces polygonal figures , at cute scenarios inspired by different countries of the world, to achieve his goal he must clear level after level, will you help Eddie and his teammates?

Post Void$2.99
Post Void is a hypnotic scramble of early first-person shooter design that values speed above all else. Keep your head full and reach the end; Kill what you can to see it mend; Get the high score or try again.

First Person Stapler$1.99
Clear targets in your office call center and race to the exit in this ridiculous, stapler-centric target shooter.

C-RUSH$1.99
C-RUSH is an old school Shooter, with HD graphics.A new threat is coming from the space; the plasma insects. Exterminate the vermin!!Beat your own score and compare it with the other players !Key Features:- One ship with different positions to use- Different Gameplay according to the positions and shoots- A Schmup where you need...

AquaNimble$9.99
AquaNimble is about crazy intense shooter action with big quirky guns against underwater snake dragons, cybernetic sharks, swirling skeletons, submarines and so much more. It's a dynamic game that makes every play through different and lets you set your own challenge beyond a difficulty setting.

Valfaris: Mecha Therion$19.99
Therion returns as the hunt for Lord Vroll continues. Pilot an advanced machine of death and destruction in this explosive 2.5D side-scrolling shoot ‘em up, and sequel to the critically acclaimed Valfaris. Strap in and unleash mecha hell!

Blazing Trail$12.99
Escape failed! All we have left is our will to survive, the endless hordes of enemies, and enough bullets to rip them all to shreds. Blazing trail. Vertical co-op shooter, offering accessible, action-packed gameplay.

Polygon Hunter VR$9.99
Polygon Hunter VR is a fast paced shooter in which a child falls asleep in geometry class and in his dream faces polygonal figures at cute scenarios inspired by different countries of the world, to achieve his goal he must clear level after level, will you help Eddie?

Fishlike$4.99
High speed microgames involving fish, fishing, and fishlike activities.

Takelshin$3.99
Takelshin is a 2D platformer in the style of the older 90's video game classics.

WE ARE DOOMED$9.99
WE ARE DOOMED is a twin-stick shooter where you zap polygon baddies with an absurdly overpowered laserbeam. Dive head-first into the action with reckless ambition, charge the SUPERBEAM, and zap everything out of existence in an instant.

SOL CRESTA$17.99
SOL CRESTA, rise like the phoenix and take back the sun! Neo-Classic shooting strikes back! Dock, split, and form up! Pilot 3 fighters and take back the sun from the clutches of evil in this free-form shooting game with the spirit of 80s shooting classics Moon Cresta and Terra Cresta.

Bricks Breaker | Uncatchable Homers Master$4.99
Uncatchable Homers, new 2D brick breaker game. Shoot enemies, kill invaders, destroy stubborn targets with astonishing powerups and weapons. Protect homers pigeons to fly safely. Destroy more bricks with full life for higher scores. This breakout arcade is a unique brick breaker close to realism.

Echoes+FREE
Echoes+ is an intense retro action space shooter that will test your reaction and concentration levels to the max!

Spooky Station$4.99
Welcome to Spooky Station! Prepare to be amazed and bewildered by our enigmas and puzzles, afraid of our deadly enemies and extremely challenging bosses. Tons of exciting stories and distinct fictional worlds await for you in this mysterious pack!

Formilion$3.99
Kill till you get through. Formilion is a top-down arcade blood shooter about a searching a person.

Z-Warp$6.99
Z-Warp is an intense vertical shoot’em up presented in retro pixel art style, featuring frenetic arcade-inspired action where blasters, bombs and KILLER specials are your only allies.

Demon Slayer Akagi$4.99
Battle against mythos inspired characters from around the world in this Arcade styled breakout game!

Word Turtle Island$4.99
Survive battling waves of creatures with word weapons and powers. Rescue books and readers in danger from creatures destroying the most powerful library in the galaxy. Recover by tending bookshelves in the book sanctuary home base. Word Turtle Island is a casual rogue-lite cozy game.

Randy Blaster 3DFREE
Battle endless waves of Randy’s evil minions in this retro-style survival FPS. Unlock new map regions and purchase weapons and power-ups from Dandy Randy’s Handy Pantry. Explore Deep Twitch Integration, a new technology allowing streamers to engage with audiences in real-time like never before.

Blue Rider$4.99
In a valley flooded with bullets, your next challenge rises from a heap of scraps. This time there aren't blue hedgehogs or mega men to save you. Hop in and become the Blue Rider!

Freedom Isn't Free 资本之乱$4.99
This game is only for those who willing to take challenge or hurt themselves.

Ravva and the Cyclops Curse$2.99
Unleash your summoning powers to defeat the Cyclops Lord! Along with four unusual companions, you must journey through a dangerous land to save your mother from a terrible curse. A challenging adventure awaits!

PewPew LiveFREE
A fast twin-stick shooter where you compete for the top spot in the leaderboards.

IDF-ASD$4.99
Intense one or two player bullet hell a call back to the arcade shooters of the past.Not an easy bullet hell, but once you beat a mission the next mission stays unlocked and you can replay missions already beat to get points and parts for upgrades.

Bit Blaster XL$0.99
A throwback to the classic quarter eating arcade games of the 80's. Bit Blaster XL is a retro styled, addictive, and fast paced arcade shoot 'em up! (shmup).

Insectipede$0.99
A New Bug Blasting Arcade Game! Blast your way through 50 Challenging Stages with Waves of Insects and UFOs, Power-Ups, and Arcade High Scores. Time To Bug Out… Are You Ready For It?

DEATHTRIP$9.99
DEATHTRIP is a daring, stylish, high-octane FPS catered to the speedfreaks, mid-2000s weirdcore enthusiasts, hypercore fanatics and adrenaline junkies. Rack up style points as you strafe and bunnyhop through a demonic near-death experience.

Evorales$5.99
Defeat the gnu-demon and his army and save the day in this top-down bullet hell focused on slowdown and bullet time mechanics. Easy to play but hard to master, it requires great strategy if you aim for a hi-score while dodging bullets across 12 hand-drawn, steampunk aesthetic stages.

Skycliffs$6.99
Skycliffs is an action shooter roguelike dungeon crawler with fast-paced top-down platforming. Jump and dash across sky islands, fight loads of monsters, and get upgrades to survive the many dangers of your journey. Will you be strong enough to reach and defeat the keeper of this floating world?

Ghost Mission$10.99
Inspired by stealth-action classics of the past, take control of an elite commando with the ability to turn invisible on a tense adventure where staying out of sight is the best way to stay alive, where the line between truth and fiction is always blurry, and where nothing is ever as it seems.

Arkanoid - Eternal Battle$9.99
Discover or re-discover, the emblematic block breaker game in a fully modernized version! Classic elements from the franchise will definitely make a comeback, with a brand-new look, new rules, as well as new effects, bonuses and features!

An old school adventure FPS - Go To Hell$4.99
Go to hell is an adventure FPS with a pixel art style, you have to find items to advance in your quest and fight against angels.

Invaders from the Third Dimension$0.99
A retro space shooter with a twist - now you can rotate your ship and aim diagonally at enemies, adding a whole new dimension to the shoot 'em up genre.

Nightork Adventures - Beyond the Moons of ShadaleeFREE
Nightork Adventures - Beyond the Moons of Shadalee is an arcade shooter game. You fly with a spaceship through procedurally generated caves and fight against evil demons using magic colors. There is a campaign of 30 levels and 6 boss monsters. It also comes with a level editor, so you can create your own caves and missions.

QUICKN$4.99
Shoot, blast and slash your opponents to win this dynamic top-down shooter in luscious neon colors.

The Reflection$1.99
The Reflection explores the connection to an alternate dimension that contains all the matter of the world inverted. From the surface, there appears to be simply a reflection of light, but submerging into the water reveals that this world is completely tangible, mirroring the world perfectly.

Nightork Adventures 2 - Legacy of ChaosFREE
Nightork Adventures - Legacy of Chaos is an arcade shooter game. You fly with a spaceship through procedurally generated caves and fight against evil demons using magic colors. There is a campaign of 30 levels and 5 boss monsters. It also comes with a level editor, so you can create your own levels.