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Metal Slug Online, 2 Player Co-op: Every Game in the Series

Metal Slug is the run and gun series that ate more quarters than anything else on Neo Geo: tiny soldiers, tanks with legs and full-color explosions. You played it two-player, one covering the other, and that's how you play it here: online, 2 players, each from your own home and in the same game. The games already in the arcade play free, right in your phone or PC browser. Here's every game, in release order, and what changes in each one.

Enter the arcade

Every game, by year

  1. 1996

    Metal Slug

    Already in the arcade · co-op

    The original: Marco and Tarma, the Metal Slug tank and six missions that set the style for the whole series.

  2. 1998

    Metal Slug 2

    Already in the arcade · co-op

    Enter Eri and Fio, the camel with a cannon, mummies and aliens. Gorgeous, but it slowed down.

  3. 1999

    Metal Slug X

    Already in the arcade · co-op

    Metal Slug 2 reworked: almost no slowdown, new weapons, and enemies and bosses moved around.

  4. 2000

    Metal Slug 3

    Already in the arcade · co-op

    The biggest and best-loved: alternate routes, zombies, yetis and a final mission that never ends.

  5. 2002

    Metal Slug 4

    Coming soon

    A different studio and two new faces, Nadia and Trevor, plus a medal system that rewards never letting off the trigger.

  6. 2003

    Metal Slug 5

    Already in the arcade · co-op

    The classic squad is back, now sliding under bullets, against the mysterious Ptolemaic Army.

  7. 2006

    Metal Slug 6

    Coming soon

    Launched on Atomiswave hardware with six soldiers, Ralf and Clark included, and the option to carry two weapons.

  8. 2008

    Metal Slug 7

    Coming soon

    Born on Nintendo DS: enemies from the future, with Ralf and Clark back in the squad.

  9. 2009

    Metal Slug XX

    Coming soon

    Metal Slug 7 upgraded, with 2 player co-op and Leona from The King of Fighters as a new soldier.

Already in the arcade 5

Coming soon 4

Open a game's page and vote “I want to play this”: the most requested ones hit the arcade first.

FAQ

Which Metal Slug should I start with?

Metal Slug X or Metal Slug 3. X is the polished version of Metal Slug 2, with more weapons and almost no slowdown; 3 is the biggest and most varied, with branching paths. If you want to see where it all started, the first one is still a short, punchy gem.

Can you play Metal Slug 2 player online?

Yes. Every game already in the arcade plays as online 2 player co-op: you sit down at the cabinet, invite your friend and push forward together in the same game, each from your own home. Everyone else can watch live.

Can you play Metal Slug on your phone?

Yes. It runs in your phone or PC browser, with on-screen touch controls, a keyboard or a controller, with nothing to install. Each of you can play on a different device and still be in the same game.

Is Metal Slug free to play online?

Yes. Every game starts with INSERT COIN, just like at the arcade, but you never pay a cent. All you need is a free UsuJuegos account, or sign in with Google or Apple.