What is Metal Slug 6? Metal Slug 6 is a run-and-gun action game developed by SNK Playmore, released in 2007. It's the sixth main installment in the Metal Slug series, known for its side-scrolling gameplay, humor, and challenging levels.
What is MAME? MAME (Multiple Arcade Machine Emulator) is a free, open-source emulator that allows you to play classic arcade games on your computer. It supports a wide range of arcade games, including Metal Slug 6.
What is ROM 0139u1? In MAME, a ROM (Read-Only Memory) is a file that contains the game's data. The number "0139u1" refers to a specific version of the MAME ROM for Metal Slug 6. This version is likely an update or a revision of an earlier ROM.
How to play Metal Slug 6 MAME 0139u1 ROM: To play Metal Slug 6 using the MAME 0139u1 ROM, you'll need:
Tips and considerations:
If you're having trouble finding the ROM or configuring MAME, you can try searching online forums or communities dedicated to MAME and retro gaming. They may offer helpful resources, guides, or troubleshooting advice.
Do you have any specific questions about playing Metal Slug 6 MAME 0139u1 ROM or need further assistance?
This guide addresses the technicalities of running Metal Slug 6, specifically regarding the "exclusive" or often misunderstood MAME 0.139u1 (MAME4droid) compatibility. ⚠️ Essential Context: Metal Slug 6 & MAME The Truth About MS6 in MAME: Metal Slug 6 was released on the Sammy Atomiswave
arcade platform, not Neo Geo. Standard MAME 0.139u1 (MAME4droid) does not officially support the arcade version of Atomiswave games at full speed. The "Exclusive" ROM:
When users speak of a "Metal Slug 6 MAME ROM," they are frequently referring to a bootleg/hack Metal Slug 3 metal slug 6 mame 0139u1 rom exclusive
or a specific Atomiswave conversion meant for older emulators. Part 1: How to Play Metal Slug 6 on MAME4droid (0.139u1)
If you are using MAME4droid (Android) and need the game to show up, you are likely looking for a specific bootleg version designed for that romset. Obtain the Correct ROM: You need a specialized
zip file. Note that this version might have different graphics or be a hack. BIOS File: Ensure you have awbios.zip
(Atomiswave BIOS) in your ROMs folder, although many bootlegs for 0.139u1 don't require it. Folder Location: mslug6.zip folder of your MAME4droid installation. Open MAME4droid, refresh the rom list, and select Metal Slug 6 Part 2: The Recommended Way (Better Performance)
Because the 0.139u1 Atomiswave emulation is poor or nonexistent, using a emulator core is recommended for a high-quality experience. Option A: RetroArch (Flycast Core): Install RetroArch and download the Obtain Atomiswave ROMs ( awbios.zip Load the content using Flycast. Metal Slug Anthology (Console Port): Play the game via PS2/Wii/PSP emulation using , which includes the official Metal Slug 6 arcade port. Part 3: Troubleshooting MAME 0.139u1 Game Freezes at Loading:
If the ROM freezes after "now loading," it is not compatible with that 0.139u1 set. You must locate a specifically labeled "bootleg" or older version mslug6.zip Runs Slow/No Graphics:
This is normal for 0.139u1 because it does not support Atomiswave hardware-assisted rendering. Error "Missing Files": You need to verify that mslug6.zip
includes all necessary files for that particular ROM hack/bootleg.
Disclaimer: ROMs should be acquired from your own backups. Emulation requires proper BIOS files. What is Metal Slug 6
Metal Slug 6 MAME 0.139u1 (often used with MAME4droid) refers to a specific entry in the MAME 2010 Reference Set . While later versions of Metal Slug 6 run on Sammy Atomiswave
hardware, the version specifically associated with this older MAME set is a notable "exclusive" because it includes a unique bootleg variant often found in mobile and handheld emulation. Key Features of the Metal Slug 6 (MAME 0.139u1) Set
Reviewing Metal Slug 6 in the context of the MAME 0.139u1 ROM set requires looking at both the game's evolution and the specific technical hurdles of its emulation. The Game: A Shift in Direction
Released in 2006, Metal Slug 6 was a major departure for the series, moving from the aging Neo Geo hardware to the more powerful Sammy Atomiswave system. This shift allowed for:
Modernized Visuals: The inclusion of 3D-rendered backgrounds provided more depth than traditional sprite work, though some purists find it less cohesive.
Expanded Roster: It introduced Ralf and Clark from The King of Fighters, bringing the total to six playable characters, each with unique gameplay attributes for the first time in the series.
Weapon Stock System: A new mechanic allowed players to carry two power-up weapons simultaneously and switch between them.
New Antagonists: Set after Metal Slug 3, the plot involves an alliance between the Regular Army, Rebels, and Martians to fight the new Invader Army. The MAME 0.139u1 Experience
The specific mention of MAME 0.139u1 (often used with MAME4droid) brings unique considerations: Tips and considerations:
Would Metal Slug 6 run at full speed in MAME? - Aussie Arcade
The official mslug6 ROM is an Atomiswave game.
The ROM zip should contain (exact names/case matter for 0.139u1):
mslug6.zip (or sometimes mslug6nd.zip for non-decrypted)
├── 252-s1.bin
├── 252-m1.bin
├── 252-v1.bin
├── 252-v2.bin
├── 252-c1.bin
├── 252-c2.bin
├── 252-c3.bin
├── 252-c4.bin
└── 252-c5.bin (if present)
Some “exclusive” versions also require bios files for the Atomiswave system:
Without
awbios.zip, the game won’t boot in MAME 0.139u1.
| Field | Information |
|-------|-------------|
| System | Atomiswave (based on Sega Naomi) |
| CPU | Hitachi SH-4 |
| Sound | Yamaha AICA (ARM7 + DSP) |
| ROM size | ~64 MB (decrypted) |
| Known good CRC (for MAME 0.139u1) | mslug6 often required: gfx.bin, sound.bin, program.bin (decrypted) |
| Unique to 0.139u1 | Possibly a bootleg-set named mslug6b or mslug6d with different CRC hashes that later MAME versions dropped support for |
Modern MAME (0.270+ as of 2026) uses merged ROM sets and improved Atomiswave emulation. The "exclusive" set from 0.139u1 is now:
| Issue | Likely Fix |
|--------|-------------|
| “Missing ROM or CHD” | Wrong ROMset; find one specifically marked “MAME 0.139u1” or “MAME 0.140” |
| “awbios not found” | Place awbios.zip in roms/ and don’t unzip it |
| Game starts but freezes | Try mame.exe mslug6 -nodrc (disable DRC core for Atomiswave) |
| Black screen / no sound | You may need mslug6nd.zip (non-decrypted) instead |