| Flare Gun | 2 | 50 | 1 | BallisticPistols |
| Flatwoods Monster Laser | 8 | 0 | 1–50 | Energy |
| Flatwoods Monster Laser | 8 | 0 | 1–50 | Energy |
| Flatwoods Monster Laser | 8 | 0 | 1–50 | Energy |
| Floater Flamer Grenade | 0.7 | 35 | | ExplosiveFireThrowing |
| Floater Flamer Grenade | 0.5 | 35 | | FireThrowing |
| Floater Freezer Grenade | 0.7 | 35 | | ExplosiveCryoThrowing |
| Floater Gnasher Grenade | 0.7 | 35 | | ExplosivePoisonThrowing |
| Floater Gnasher Grenade | 0.5 | 35 | | Throwing |
| Foundation's Vengeance | 18 | 150 | 45 | BallisticBig guns |
| Frag Arm Cannon | 2 | 0 | | |
| Fragmentation Grenade | 0.6 | 15 | | ExplosiveThrowing |
| Fragmentation Grenade | 0.5 | 15 | | ExplosiveThrowing |
| Fragmentation Grenade MIRV | 1 | 50 | | ExplosiveThrowing |
| Fragmentation Grenade MIRV | 1 | 50 | | Explosive |
| Fragmentation Mine | 0.55 | 20 | | Explosive |
| Freezer Floater Breath | 10 | 0 | | |
| Freezer Floater Stare | 10 | 0 | | |
| Fusion Core Ejector | 40 | 0 | | |
| Gamma Gun | 3 | 90 | 15–45 | EnergyPistols |
| Gamma Gun | 3 | 90 | 15–45 | EnergyPistols |
| Gamma Gun | 5 | 250 | 1–50 | EnergyPistols |
| Gatling Gun | 18 | 175 | 20–50 | BallisticBig guns |
| Gatling Gun | 18 | 175 | 20–50 | BallisticBig guns |
| Gatling Gun | 18 | 175 | 20–50 | BallisticBig guns |
| Gatling Gun | 18 | 250 | 1–50 | BallisticBig guns |
| Gatling Gun | 18 | 175 | 20–50 | BallisticBig guns |
| Gatling Gun [Left] | 5 | 250 | 1–50 | Big guns |
| Gatling Gun [Right] | 5 | 250 | 1–50 | Big guns |
| Gatling Laser | 18 | 200 | 25–45 | EnergyBig guns |
| Gatling Laser | 18 | 0 | | EnergyBig guns |
| Gatling Laser | 18 | 0 | | EnergyBig guns |
| Gatling Laser | 18 | 200 | | EnergyBig guns |
| Gatling Laser | 18 | 200 | 25–45 | EnergyBig guns |
| Gatling Laser | 18 | 250 | 1–50 | EnergyBig guns |
| Gatling Laser | 18 | 250 | 1–50 | EnergyBig guns |
| Gatling Plasma | 18 | 250 | 30–50 | EnergyBig guns |
| Gatling Plasma | 18 | 250 | 30–50 | EnergyBig guns |
| Gatling Plasma | 18 | 250 | 1–50 | EnergyBig guns |
| Gatling Plasma | 18 | 250 | 1–50 | EnergyBig guns |
| Gauntlet | 6 | 130 | 40–50 | Fist weapons |
| Gauntlet | 6 | 130 | 40–50 | Fist weapons |
| Gauss Gun [Left] | 5 | 250 | 1–50 | Big guns |
| Gauss Gun [Right] | 5 | 250 | 1–50 | Big guns |
| Gauss Minigun | 18 | 150 | 45–50 | BallisticEnergyBig guns |
| Gauss Minigun | 18 | 150 | 45–50 | BallisticEnergyBig guns |
| Gauss Minigun | 18 | 250 | 1–50 | BallisticEnergyBig guns |
| Gauss Pistol | 4 | 85 | 15–50 | BallisticEnergyPistols |
| Gauss Pistol | 4 | 85 | 15–50 | BallisticEnergyPistols |
| Gauss Pistol | 5 | 250 | 1–50 | BallisticEnergyPistols |