Playable in browserNo downloadNeo Geo Pocket Color

Metal Slug: 1st Mission Online

Metal Slug - 1st Mission is a 2D run-and-gun action game developed for the Neo Geo Pocket Color. It adapts the frantic gameplay of the arcade Metal Slug series into a portable format, featuring side-scrolling combat against enemy soldiers and vehicles.

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About Metal Slug: 1st Mission

How to Play Metal Slug: 1st Mission Online

Your objective is to survive through each side-scrolling stage, defeating enemy soldiers and vehicles while rescuing POWs for extra points and power-ups. You control your character with the directional pad, jump to avoid attacks, and shoot your primary weapon. Collect weapon power-ups like the Heavy Machine Gun or Rocket Launcher to increase your firepower. The game follows a mission-based structure where you must navigate environmental hazards and defeat a boss at the end of each stage. A key strategy is to memorize enemy patterns and learn when to advance aggressively versus when to hang back and pick off foes from a distance. In the early parts of a run, focus on collecting power-ups and rescuing POWs to build your score and arsenal. During tense moments, especially boss fights, prioritize dodging attacks over dealing damage, as survival is crucial. The challenge rhythm is fast-paced, with constant enemy assaults requiring quick reflexes and smart weapon management.

How to Play Metal Slug: 1st Mission Online

Press Play Now. The game opens in a new tab and starts in your browser – nothing to download or install.
On a computer, play with the keyboard or plug in a USB or Bluetooth gamepad. Open the player menu to see or remap the keys.
On a phone or tablet, use the on-screen buttons. Turn the device sideways for a bigger screen.
Use the save state option in the player menu to keep your progress between sessions.

Tip: a gamepad makes special moves and long combos much easier than the keyboard.

FAQ

Can I play Metal Slug: 1st Mission online for free?

Yes. Metal Slug: 1st Mission runs directly in your browser and is free to play. Press Play Now on this page and the Neo Geo Pocket Color game starts in a new tab.

Do I need to download Metal Slug: 1st Mission?

No. There is no download, ROM file or emulator setup. Everything runs in the browser, so you can start playing Metal Slug: 1st Mission in a few seconds.

Can I play Metal Slug: 1st Mission on my phone?

Yes. Metal Slug: 1st Mission works in modern mobile browsers with on-screen touch controls. Chrome on Android and Safari on iPhone give the most stable experience.