Welcome to the cheats for Metal Slug X for the PlayStation. Below are the cheats.
Mission select
Successfully complete arcade mission mode to unlock mission select in arcade mission and another mission modes. -From: Olikong@aol.com
Chat mode
Select Combat School and while it is loading, rapidly press Square until the menu appears. The instructor will ask if you want to chat with her.
Combat School rankings
| Rank | Points |
| Super Devil | 1000+ |
| General Of Army | 990+ |
| Lieutenant General | 890+ |
| Major General | 780+ |
| Brigadier General | 700+ |
| Colonel | 650+ |
| Lieutenant Colonel | 600+ |
| Major | 575+ |
| Captain | 560+ |
| 1st Lieutenant | 550+ |
| 2nd Lieutenant | 500+ |
| Chief Warrant Officer | 475+ |
| Warrant Officer | 450+ |
| Sergeant Major | 425+ |
| Master Sergeant | 400+ |
| Sergeant 1st Class | 350+ |
| Staff Sergeant | 300+ |
| Sergeant | 250+ |
| Corporal | 200+ |
| Private 1st Class | 150+ |
| Private | 100+ |
