Openemu Metal Slug · Top-Rated & Limited

OpenEmu has a built-in cheat manager. While the game is running:

Most Metal Slug titles (1, 2, X, 3, 4, 5) run on SNK’s Neo Geo MVS hardware. To play these in OpenEmu, you need more than just the ROM file; you need the Neo Geo BIOS. openemu metal slug

| Component | Minimum | Recommended | |-----------|---------|--------------| | macOS version | 10.11 (El Capitan) | 11.0 (Big Sur) or newer | | RAM | 4 GB | 8 GB+ | | CPU | Intel Core i3 (2013+) | Apple Silicon (M1/M2/M3) or Intel i5+ | | Storage | 500 MB for ROMs + BIOS | 2 GB (for multiple ROMs and save states) | OpenEmu has a built-in cheat manager

Performance on Apple Silicon is flawless – even with CRT shaders and run-ahead latency reduction enabled. Metal Slug is a co-op game

| Problem | Likely fix | |---------|-------------| | Game doesn’t appear after drag-and-drop | ROM name doesn’t match OpenEmu’s MAME set; rename .zip to one of the names above. | | “Missing ROM/CHD” error | Your ROM set is outdated. Find MAME 0.241-compatible ROMs. | | BIOS error | Add neogeo.zip first. Reboot OpenEmu after adding. | | No sound / glitchy graphics | Use a more recent ROM set; OpenEmu’s MAME is picky about versions. |

Metal Slug is a co-op game. OpenEmu supports up to 4 players (though M Slug is 2 player).