RF1 Materials
| Material | Texture Prefix(es) | Elasticity | Friction | Density | Bouyancy | Traction | Notes |
| Default | (none) | 0.5 | 0.5 | 2500.0 | 0.0 | 1.0 | |
| Rock | rck_, rch_ | 0.5 | 0.5 | 2500.0 | 0.8 | 1.0 | |
| Metal | mtl_, steel_ | 0.6 | 0.1 | 1500.0 | 0.5 | 1.0 | Allows bullet ricochet and penetration (configured in weapons.tbl) |
| Flesh | fle_, flesh_ | 0.2 | 0.8 | 800.0 | 0.1 | 1.0 | |
| Water | wtr_ | -0.2 | 0.5 | 1000.0 | 0.0 | 2.0 | |
| Lava | lva_ | 0.2 | 1.0 | 2000.0 | 0.5 | 0.5 | |
| Solid | pls_, sld_, cem_ | 0.5 | 0.2 | 750.0 | 0.5 | 1.0 | |
| Glass | gls_, sgl_ | 0.5 | 0.2 | 750.0 | 0.5 | 0.8 | |
| Sand | snd_ | 0.3 | 0.3 | 2000.0 | 0.8 | 0.6 | |
| Ice | ice_ | 0.5 | 0.05 | 750.0 | -0.5 | 0.1 |