Who are the new characters in Metal Slug 4?
Nadia Cassel and Trevor Spacey join Marco and Fio, replacing Tarma and Eri for this game.
2 Players OnlinePlayable in browserNo downloadArcade
Metal Slug 4 Online
Play Metal Slug 4 online free – new heroes Nadia and Trevor, the Amadeus syndicate and a combo scoring system. No download, 2 player online co-op.
About Metal Slug 4
Metal Slug 4 (2002) arrived during a turbulent time for SNK. With the original company gone, the game was developed by Mega Enterprise with Noise Factory. Marco and Fio return, joined by two new heroes: Nadia Cassel and Trevor Spacey. This time the enemy is the Amadeus syndicate, a terrorist group planning to unleash a computer virus.
What is new
- Combo scoring: keep shooting enemies without a break and a combo counter builds up, multiplying your score.
- Dog tags: collect them from enemies for bonus points.
- New vehicles to drive and ride alongside the classic SV-001.
Is it worth playing?
Metal Slug 4 reuses a lot of graphics from earlier games and has fewer surprises than Metal Slug 3, which is why fans often rank it lower. But it is still classic Metal Slug action: fast, chaotic and great fun with a friend in co-op.
Tips
- Keep your combo alive by always having a target – the score multiplier rises quickly.
- Look for the hidden prisoners; many are inside crates and buildings.
- Save rockets and grenades for armored enemies.
Next: Metal Slug 5. Back to Metal Slug 3, or browse the Metal Slug hub.
How to Play Metal Slug 4 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.
Play Metal Slug 4 with a Friend
- Local: connect two gamepads (or share the keyboard) and press Start on the second controller to join.
- Online: start the game, open the Net Play option in the player menu and create a room.
- Send the room link to your friend. When they join, you play together in real time – versus or co-op.
- For the smoothest match, both players should use a wired or stable Wi-Fi connection.
FAQ
Who developed Metal Slug 4?
After SNK's bankruptcy, Metal Slug 4 was developed by the Korean company Mega Enterprise with Noise Factory, and published under the new SNK Playmore.
Can I play Metal Slug 4 online for free?
Yes. Metal Slug 4 runs directly in your browser and is free to play. Press Play Now on this page and the Arcade game starts in a new tab.
Do I need to download Metal Slug 4?
No. There is no download, ROM file or emulator setup. Everything runs in the browser, so you can start playing Metal Slug 4 in a few seconds.
Can I play Metal Slug 4 on my phone?
Yes. Metal Slug 4 works in modern mobile browsers with on-screen touch controls. Chrome on Android and Safari on iPhone give the most stable experience.
Can I play Metal Slug 4 with a friend online?
Yes. Metal Slug 4 supports online Net Play: create a room from the player menu and send the link to a friend to play together in real time.
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