Space Shooter X is a free browser-based arcade game where you battle enemy ships, survive endless waves, and defeat powerful bosses—all playable instantly online.

Metal Slug is described as 'With a long history tracing back to early stand-up arcade systems and NEO GEO console, Metal Slug (series) is the definitive bullet hell platformer. It's a traditional, 2D sidescroller that's dead easy to learn and play, but with difficulty levels that practically' and is a Action Game in the games category. There are more than 10 games similar to Metal Slug for a variety of platforms, including Windows, Steam, Xbox, Playstation and Android apps. The best Metal Slug alternative is Space Shooter X, which is both free and Open Source. Other Metal Slug like games are Touhou Project, Cuphead, Alien Hominid HD and Super Star Wars.
Space Shooter X is a free browser-based arcade game where you battle enemy ships, survive endless waves, and defeat powerful bosses—all playable instantly online.

Touhou Project is a series of vertically scrolling bullet hell shooting game produced by [Oota Jun'ya (ZUN)](http://www16.big.or.




Cuphead is a classic run and gun action game heavily focused on boss battles. Inspired by cartoons of the 1930s, the visuals and audio are painstakingly created with the same techniques of the era, i.e.




They've got your spaceship and you will blow up anything in your path to get it back. Completely hand-drawn high-definition graphics, coupled with old-school game play, results in ultimate mayhem and hours of fun!



Enhanced for the PS4™ system with new save features, leaderboards, trophies, and updated display and controller options!




In the mayhem-filled streets of the future where criminal gangs rule and cops fear to tread, only the bounty hunters can free the city from the corrupt fist of felony. Lay waste to the criminal underworld and make a killing in this hard boiled action comedy arcade shooter.




Rampage through levels and shoot the alien scum in the face. Or behind, your choice. Eventually you’ll get yours kicked. Tough. Sucks to be you. But! With the loot you can find, you can get bigger and badder weapons that’ll leave a string of ruined enemies in their wake!




Broforce is a hyperviolent action platform game. It features 90's blockbuster movie action heroes making up the Broforce team- an under-funded vigilante paramilitary organisation – saving the world from satanic alien terrorist investment banker businessmen in non-stop, fast...




Do you want a new style of arcade shooter game? With an exciting shooting style and retro + modern pixelated graphics, Retro Shooting is a mobile shooting game that has caught the attention of shooters around the world!


Guns, Gore and Cannoli - An over-the-top, comical, and fast-paced action game with hand drawn graphics and set in the Roaring Twenties.




The Bug Butcher is an intense action shooter, wrapped in stylistic 2D art, and smeared with humor where timing and fierce reflexes are paramount! The core mechanics hold old ties from the classic arcade shooter “Super Pang” where you shoot vertically, but with modern day twists.




Ultracore is an authentic Run ‘n Gun 16-bit game, a true love letter to classic 2D action games with intricate level design, tons of secrets to discover and numerous mid- and end-bosses.



