Red Faction N-Gage Savegame Format
These details were detailed via experimentation by Goober. They are by no means "official" and so I give no guarantee for the correctness of the information you find here. Of course please correct any possible errors or missing information you may find.
Introduction
Red Faction (N-Gage) savegame files are written on creation, and loaded into memory when the game launches. Savegame files must match the below naming scheme, and are loaded in the order detailed below.
save.bin0 save.bin1 save.bin2 save.bin3 save.bin4 save.bin5
File format
The savegame file format is laid out as follows:
| Offset | Purpose |
| 0x0 | Level ID |
| 0x2 | Has Control Baton (boolean) |
| 0x3 | Has Riot Shield (boolean) |
| 0x4 | Has 12mm Pistol (boolean) |
| 0x5 | Has Submachine Gun (boolean) |
| 0x6 | Has Shotgun (boolean) |
| 0x7 | Has Assault Rifle (boolean) |
| 0x8 | Has Sniper Rifle (boolean) |
| 0x9 | Has Remote Charge (boolean) |
| 0xa | Has Grenade (boolean) |
| 0xb | Has Rocket Launcher (boolean) |
| 0xc | Has Rail Driver (boolean) |
| 0xd | Has Heavy Machine Gun (boolean) |
| 0xe | Has Fusion Rocket Launcher (boolean) |
| 0x14 | Control Baton reserve ammo |
| 0x18 | Riot Shield reserve ammo |
| 0x1c | 12mm Pistol reserve ammo |
| 0x20 | Submachine Gun reserve ammo |
| 0x24 | Has Shotgun reserve ammo |
| 0x28 | Assault Rifle reserve ammo |
| 0x2c | Sniper Rifle reserve ammo |
| 0x30 | Remote Charge reserve ammo |
| 0x34 | Grenade reserve ammo |
| 0x38 | Rocket Launcher reserve ammo |
| 0x3c | Rail Driver reserve ammo |
| 0x40 | Heavy Machine Gun reserve ammo |
| 0x44 | Fusion Rocket Launcher reserve ammo |
| 0x54 | Control Baton reserve ammo |
| 0x58 | Riot Shield reserve ammo |
| 0x5c | 12mm Pistol reserve ammo |
| 0x60 | Submachine Gun reserve ammo |
| 0x64 | Has Shotgun reserve ammo |
| 0x68 | Assault Rifle reserve ammo |
| 0x6c | Sniper Rifle reserve ammo |
| 0x70 | Remote Charge reserve ammo |
| 0x74 | Grenade reserve ammo |
| 0x78 | Rocket Launcher reserve ammo |
| 0x7c | Rail Driver reserve ammo |
| 0x80 | Heavy Machine Gun reserve ammo |
| 0x84 | Fusion Rocket Launcher reserve ammo |
| 0x9a | Player health |
| 0x9e | Player armor |
| 0x94 | Currently selected weapon |
Level IDs
Offset 0x0 must contain a level ID in hexadecimal. The game has 28 levels total, the IDs for which are listed below.
| ID (Hex) | Level Name |
| 00 | The Mines |
| 01 | The Mines pt.2 |
| 02 | The Mines pt.3 |
| 03 | The Barracks |
| 04 | The Barracks pt.2 |
| 05 | Docking Bay |
| 06 | Docking Bay pt.2 |
| 07 | Docking Bay pt.3 |
| 08 | Crevasse |
| 09 | Crevasse pt.2 |
| 0a | Geothermal Power Plant |
| 0b | Power Plant pt.2 |
| 0c | Power Plant pt.3 |
| 0d | Corporate HQ |
| 0e | Corporate HQ pt.2 |
| 0f | Corporate HQ pt.3 |
| 10 | Medical Research |
| 11 | Medical Research pt.2 |
| 12 | Medical Research pt.3 |
| 13 | Capek's Lair |
| 14 | Capek's Lair pt.2 |
| 15 | The Inner Sanctum |
| 16 | The Inner Sanctum pt.2 |
| 17 | Merc Command Center |
| 18 | Command Center pt.2 |
| 19 | Missile Battery |
| 1a | Masako's Lair |
| 1b | Masako's Lair pt.2 |
| 1c | Masako's Lair pt.3 |
Current Weapon IDs
Offset 0x94 must contain a weapon ID in hexadecimal. The game has 13 weapons total, the IDs for which are listed below.
| ID (Hex) | Level Name |
| 00 | Control Baton |
| 01 | Riot Shield |
| 02 | 12mm Pistol |
| 03 | Submachine Gun |
| 04 | Shotgun |
| 05 | Assault Rifle |
| 06 | Sniper Rifle |
| 07 | Remote Charge |
| 08 | Grenade |
| 09 | Rocket Launcher |
| 0a | Rail Driver |
| 0b | Heavy Machine Gun |
| 0c | Fusion Rocket Launcher |