Metal Slug - 2nd Mission

Screenshots1 / 2

A side-scrolling action scene displays a player-controlled character on the left firing at enemies across a sandy desert landscape. Two small enemy units are visible in the center-middle ground. A large snow-capped mountain dominates the background under a light blue sky. The HUD shows a green health bar, ammunition counter, and score display in the bottom-left corner. Low-resolution pixel art and a brown wooden structure appear on the left edge. The visual style uses a limited color palette typical of early 2000s handheld gaming.

Metal Slug - 2nd Mission

合金弹头:2nd Mission

4.6 (1.3K)
Neo Geo Pocket Action 698 plays

Metal Slug 2nd Mission is a run-and-gun action game developed by Ukiyotei and released in 2000 for the Neo Geo Pocket Color. Players control a soldier advancing through military-themed levels, eliminating enemy forces using various weapons. The game features classic Metal Slug mechanics: rapid-fire gunplay, explosive power-ups, and the iconic metal slug tank that provides temporary protection and increased firepower. Control is straightforward with directional movement and button-based shooting, allowing players to run, jump, and aim in multiple directions. The game contains several mission stages, each escalating in difficulty with tougher enemy formations and boss encounters. Ammunition and weapon pickups are scattered throughout each level, requiring strategic collection during combat. The NGPC's technical limitations are offset by colorful sprite work and responsive controls that maintain the intense action the series is known for.

Developer
Released
Platform
Neo Geo Pocket
Genre
Action
Players
1P
Rating
4.6 / 5 (1.3K)
Last updated

About Metal Slug - 2nd Mission

Metal Slug - 2nd Mission arrived on the Neo Geo Pocket Color in 2000, developed by Ukiyotei, a studio that had already demonstrated its ability to compress SNK's signature run-and-gun spectacle onto the handheld with the earlier Metal Slug - 1st Mission. By the time 2nd Mission launched, the Neo Geo Pocket Color was approaching the twilight of its commercial life in Western markets, yet SNK continued to invest in the platform with titles that pushed its hardware capabilities. 2nd Mission was a direct response to player feedback on its predecessor, expanding nearly every dimension of the experience: more missions, more playable characters, and a branching stage structure that gave the game meaningful replay value uncommon in handheld action titles of the era. Players can choose between two characters — a male soldier and a female soldier — each with slightly different attributes, adding a layer of strategic choice before a single shot is fired. The core gameplay translates the Metal Slug formula faithfully to the small screen: players run, jump, and shoot through horizontally scrolling stages filled with enemy infantry, armored vehicles, and screen-filling bosses, collecting weapons such as heavy machine guns, rocket launchers, and shotguns dropped by defeated foes or found in crates. The Neo Geo Pocket Color's clicky thumbstick and two-button layout are used efficiently — one button fires, the other jumps, and a combination input triggers grenades — keeping the action immediate and accessible. Slug vehicles, the armored tanks and other machines central to the arcade series' identity, appear throughout and can be boarded to unleash devastating firepower, faithfully recreating one of the franchise's most beloved mechanics in miniature. The branching mission map is the headline structural addition: completing stages in different ways or meeting certain conditions routes the player through alternate paths, meaning a single playthrough does not reveal the full game. This design substantially increases the total content on offer and encourages multiple runs. Visually, Ukiyotei made impressive use of the Neo Geo Pocket Color's palette, rendering chunky, expressive sprites that retain the cartoon-military aesthetic of the arcade originals. Enemy animations are varied, and the bosses in particular are large and detailed relative to the screen resolution. The game's audio, while limited by the hardware, captures the energetic tone of the series with upbeat, percussive music tracks. In its era, 2nd Mission was received as a notable improvement over 1st Mission and stood as one of the stronger action titles available on the platform, demonstrating that a dedicated developer could deliver a satisfying portable Metal Slug experience without the game feeling like a stripped-down imitation of its arcade counterparts.

Pro tips

  • Explore every stage thoroughly before reaching the exit — weapon crates and POW hostages are often hidden in non-obvious positions and can dramatically change your combat effectiveness.
  • Board Slug vehicles whenever possible; they absorb damage that would otherwise cost you a life and their weapons clear clustered enemies and bosses far faster than your default pistol.
  • Learn the branching mission map by intentionally varying your approach on repeat playthroughs — some alternate routes are significantly easier and provide better weapon pickups.
  • Conserve grenades for boss encounters rather than spending them on regular infantry; bosses have large health pools and grenade damage is one of the fastest ways to end a fight.
  • Try both playable characters on separate runs — their differing stats can make certain stages noticeably easier or harder, giving you a fresh perspective on familiar sections.

Metal Slug - 2nd Mission Controls — Neo Geo Pocket Keyboard Keys

Default keyboard bindings for Metal Slug - 2nd Mission on our in-browser Neo Geo Pocket emulator. Plug in a USB or Bluetooth gamepad to auto-detect mappings, or rebind any key from the emulator settings menu.

Keyboard Console button Typical use
D-Pad Up Move up
D-Pad Down Move down
D-Pad Left Move left
D-Pad Right Move right
X A Primary action (jump / confirm)
Z B Secondary action (attack / cancel)
Enter Option Start / Pause

Rebind any key from the EmulatorJS in-game settings menu (gear icon → Controls). A connected gamepad auto-maps to the same buttons.

Metal Slug - 2nd Mission Longplay & Gameplay Videos

Watch a full playthrough of Metal Slug - 2nd Mission on Neo Geo Pocket before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.

Watch longplay on YouTube

"Metal Slug - 2nd Mission" Neo Geo Pocket longplay 2000

External references

Frequently Asked Questions

When was Metal Slug - 2nd Mission released?

Metal Slug - 2nd Mission was released in 2000 for the Neo Geo Pocket.

Who developed Metal Slug - 2nd Mission?

Metal Slug - 2nd Mission was developed by Ukiyotei, available to play in your browser on RetroGameSpace.

How many players does Metal Slug - 2nd Mission support?

Metal Slug - 2nd Mission is a single-player Action game for the Neo Geo Pocket.

What type of game is Metal Slug - 2nd Mission?

Metal Slug - 2nd Mission is a Action game for the Neo Geo Pocket, playable instantly in your browser — no downloads, no installs.

How can I play Metal Slug - 2nd Mission for free?

Open this page and click "Play Now" — Metal Slug - 2nd Mission runs free in your browser via WebAssembly emulation. No account, no payment, no installer.

Do I need to download anything to play Metal Slug - 2nd Mission in the browser?

No. Metal Slug - 2nd Mission streams from a public archive into a browser-side Neo Geo Pocket emulator. Nothing is installed on your computer.

Can I save my progress in Metal Slug - 2nd Mission?

Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original Neo Geo Pocket cartridge supported.

Does Metal Slug - 2nd Mission work on mobile devices?

Yes — the Neo Geo Pocket emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.

Is it legal to play Metal Slug - 2nd Mission this way?

RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Metal Slug - 2nd Mission. Game files are fetched on demand from publicly-accessible archives. You are responsible for compliance with your local laws and the bring-your-own-ROM principle.

How long does it take to beat Metal Slug - 2nd Mission?

A single run through one branching path takes roughly 1 to 2 hours depending on skill level. However, the branching stage structure means seeing all missions and endings requires multiple playthroughs, pushing total completion time considerably higher.

Is Metal Slug - 2nd Mission difficult for newcomers to the series?

It is moderately challenging. Enemy patterns are learnable, but limited continues and the fast pace of combat can punish players unfamiliar with run-and-gun mechanics. Starting on the path that suits your chosen character's strengths helps ease the learning curve.

What is the best starting strategy for a first playthrough?

Pick up every weapon you find and prioritize rescuing POW hostages, as they reward you with items. Stay mobile, never stand still in front of enemies, and save grenades for boss fights where burst damage matters most.

Is Metal Slug - 2nd Mission worth playing today?

For fans of the Metal Slug series or compact handheld action games, yes. The branching structure and faithful mechanics hold up well. Physical copies are collectible, but the game rewards the effort of tracking one down with a genuinely complete portable action experience.

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