Summary

Release Year: 2017
Genres: Arcade, Shooter
Platforms: Nintendo Switch, PC (Microsoft Windows), PlayStation 4, Xbox One
Developers: SNK
Publishers: HAMSTER

ACA Neo Geo: Metal Slug X – Still the King of Run-and-Gun Mayhem

If you grew up hovering around an arcade cabinet, pockets heavy with quarters, you already know the name Metal Slug. SNK’s hyper-detailed, explosion-happy side-scroller was the antidote to every slow, methodical shooter of the late ’90s. Fast-forward to today and the ACA Neo Geo line on modern consoles has resurrected the definitive version—Metal Slug X—for Switch, PlayStation 4, Xbox One, and PC. The big question: does this reissue capture the magic, or is it just another nostalgia trap? After rolling credits (and watching my poor commandos get machine-gunned more times than I’ll admit), I can confirm that Metal Slug X remains one of the purest, most satisfying action games ever coded—provided you know what you’re signing up for.

What Exactly Is Metal Slug X?

Released in 1999, Metal Slug X is not a sequel; it’s a “director’s cut” of Metal Slug 2. SNK took that already excellent foundation, cranked up the enemy count, rebalanced the difficulty, sprinkled in new weapons, and—crucially—fixed the notorious slowdown that plagued MS2 whenever too many sprites crowded the screen. The result feels like a turbo-charged remix: same six missions, same tongue-in-cheek tone, but tighter pacing and way more chaos. If you’ve only played vanilla MS2, X is the version to own.

Pick-Up-and-Play Perfection

Modern games love to front-load tutorials, skill trees, and lore codexes. Metal Slug X just hands you a pistol, a grenade belt, and a single life bar. Within thirty seconds you’re parachuting into the first stage, dodging mortar fire, and saving POWs who reward you with power-ups and goofy one-liners. Controls are Neo Geo perfect: one button jumps, one shoots, one lobs grenades. You can hold down fire for continuous shots, tap for precision, or press jump+down to execute a slide that doubles as an evasive maneuver. It’s intuitive enough that anyone can jump in, but deep enough to reward mastery—especially once you learn to animation-cancel heavy weapons and time grenade arcs.

Weapons, Vehicles, and Over-the-Top Toys

Part of the game’s timeless appeal is its arsenal. The Heavy Machine Gun, Flame Shot, and Shotgun return, but X adds the Enemy Chaser (homing rockets), Iron Lizard (bouncing mini-tanks), and the devastating Super Grenade. Each gun has limited ammo, so every pickup becomes a tactical decision: Do I burn this now on fodder enemies or save it for the upcoming boss? Vehicles—collectively called “Slugs”—transform the moment-to-moment flow. The titular Metal Slug tank offers heavy armor and a vulcan cannon, while later stages introduce the Slug Flyer (air-to-air combat), Slug Sub (underwater torpedo runs), and even a camel-mounted machine gun because… why not? Piloting a Slug makes you feel invincible, but each can only absorb three hits before ejecting you, often at the worst possible moment.

Difficulty: Quarter-Muncher or Fair Challenge?

Let’s address the elephant in the room: yes, Metal Slug X is hard. On Normal difficulty you get three lives and five continues. Burn through them and it’s Game Over. The ACA Neo Geo port thankfully offers a “Hi-Score” mode (arcade rules, online leaderboards) and a “Caravan” mode (five-minute score attack), both of which let you save and load states. Purists can stick to the default settings; newcomers can lean on save states or drop the difficulty to Easy for extra continues. The game’s real learning curve is memorization—enemy spawns, power-up locations, boss patterns. Once you internalize those rhythms, you’ll finish on a single credit. Until then, expect to yell at the screen when a hidden alien sniper pops out and one-shots you. Frustrating? Occasionally. Addicting? Absolutely.

Boss Battles: Pixel-Art Showpieces

Every stage culminates in a multi-phase boss fight that feels like playing through an anime. Highlights include a massive Iron Nokana tank that sprouts missile pods and flamethrowers, a UFO that carpet-bombs the battlefield with mini-balls of death, and a genie who morphs into screen-fitting demons. Each boss has a weak spot, predictable patterns, and—most importantly—spectacular sprite work. Watching a boss explode into a thousand pixelated shards while the soundtrack hits a guitar riff never gets old. These set pieces are why Metal Slug X still shines in 2024; no modern 3D spectacle can match the handcrafted charm of SNK’s artists cramming so much detail into a 320×224 resolution.

Co-Op Carnage

The ACA port restores two-player simultaneous play either locally or via Share Play on PlayStation (sadly no online co-op). Teaming up doubles the on-screen insanity—twice the bullets, twice the grenades, twice the risk of accidentally shooting your buddy while he’s mid-jump. Friendly fire isn’t on, so you can focus on coordinating power-up sharing and reviving each other when a downed state occurs. If you have a friend who loves arcade highs, few gaming nights beat couch co-op through all six missions with a pizza on standby.

Presentation: Pixel-Art Perfection

Metal Slug X is a masterclass in 2D animation. Characters have idle animations (Marco’s hair flutter), environmental flourishes (vultures circling overhead), and background gags (POWs doing calisthenics). Explosions are a symphony of oranges, reds, and dynamic scaling. The soundtrack fuses military marches with Middle-Eastern motifs and techno riffs, perfectly syncing to the on-screen mayhem. On modern TVs the ACA emulator offers scanline filters, screen-fit options, and a handy rewind feature for instant do-overs. Purists can disable filters for razor-sharp pixels; retro enthusiasts can add mild CRT curvature for authenticity.

Performance and ACA Extras

Hamster’s ACA wrapper is lightweight but feature-rich. You can remap buttons, tweak difficulty mid-game, upload scores to global leaderboards, and auto-save at any point. On Switch the game runs at a locked 60 fps in both docked and handheld modes. Load times are virtually non-existent—hitting Restart after death is instantaneous. The only minor gripe is that the screen-wrap filter can look a tad harsh on 4K displays; toggling it off fixes the issue. Achievements on Xbox and Trophies on PlayStation are present for hunters who love incremental goals.

Replay Value

A single clear takes roughly 45 minutes, but chasing higher scores, faster speedrun times, or no-death runs can absorb dozens of hours. The random nature of power-up drops and enemy reactions keeps each attempt fresh. Additionally, mastering different characters (each has subtle stat differences) and experimenting with self-imposed challenges—like pistol-only runs—adds longevity. For collectors, the ACA release is the cheapest legal way to own Metal Slug X on modern hardware; original Neo Geo AES cartridges fetch upwards of $400 on eBay.

Price and Platforms

ACA Neo Geo: Metal Slug X retails for $7.99 on all platforms, with frequent sales dropping it to $3.99. At that price it’s an impulse buy cheaper than a fancy coffee. No microtransactions, no DLC, no season pass—just pure, unfiltered run-and-gun goodness. The value proposition is absurdly high; even at full price you’re getting one of the greatest arcade shooters ever made, endlessly replayable and perfectly portable.

Worth Your Time in 2024?

If you judge games by cinematic cutscenes or open-world bloat, Metal Slug X will feel prehistoric. But if you crave tight controls, instant gratification, and the dopamine hit of perfectly executed grenade arcs, this is essential. It’s the gaming equivalent of a perfectly grilled burger: no frills, just juicy excellence. The ACA port strips away every barrier between you and the action, letting you savor SNK’s masterpiece exactly as intended—only now you won’t need a roll of quarters sitting beside your controller.

Verdict

ACA Neo Geo: Metal Slug X is the definitive way to experience one of the greatest arcade shooters ever created. It looks, sounds, and plays better than ever on modern hardware, with enough quality-of-life tweaks to welcome newcomers while preserving every ounce of challenge for veterans. At eight bucks (or less on sale) it’s a no-brainer addition to any digital library. Grab a friend, stock up on grenades, and prepare to hear that iconic “Thank you!” from every POW you rescue. You’ll be smiling all the way to the final explosion.