An explosive propane-filled keg, devastating to structures. Can be placed or used as a projectile in a catapult.
Stack 4ID -1827561369catapult.ammo.explosive
Damage
350
per shot
Blast
5.2m
radius
Blast Radius5.2 m
Siege ammo
Fired from a siege weapon to breach bases — see what it takes to break each wall on Building Tiers.
Fired by
Damage resistance
Explosive150% dmgBullet50% dmgFire150% dmgMelee50% dmgArrowimmune
Share of each damage type this deployable actually takes — lower is tougher. immune = that damage does nothing; over 100% means it takes extra (e.g. wood burns).
Crafting Recipe
Raw materials to farm
Research: 30 scrap at a Research Table
Tech tree
Unlocked right after:
Smoke Grenade
The workbench tech-tree path (you research predecessors first) — see the full Workbench Tech Tree. Or research a found one for 30 scrap (above).Smoke Grenade
Mortar
Semi-Automatic RifleRecycling
| Recycler | Guaranteed Output | Extra Output | Efficiency |
|---|---|---|---|
| Recycler |  Gun Powder×270 Low Grade Fuel×12 | 60 % | |
| Safe Zone Recycler | Gun Powder×180Low Grade Fuel×8 | 40 % |
Cost Flowbuild · break down · destroy
Qty
Build
10sWB 2
Empty Propane TankcraftMetal Fragments
×100Scrap
×10Gun PowdercraftLow Grade FuelcraftAnimal Fat
×3Cloth
×1 Raw to farm
Recycle
Recycler60%
Safe Zone40%
Faded bars are chance-based extra output.
Looted From
| Container | Condition | Amount | Chance |
|---|---|---|---|
| Locked Crate (Oil Rig) | 100 % | 2-12 | 67% |
| Hackable Locked Crate | 100 % | 2-12 | 67% |
| Ghost Ship Locked Crate | - | 2-12 | 67 % |
| Locked Crate | - | 2-12 | 67 % |
| Oil Rig Locked Crate | - | 2-12 | 67 % |
| Supply Drop | 100 % | 2-12 | 51% |
Destroyed By
Loading raid data…
Destroyed by — explosives
 Rocket | ×1 | 1,400 sulfur |
 C4 | ×1 | 2,200 sulfur |
 Explosive Ammo | ×2 | 50 sulfur |
Whole amounts to destroy one (10 HP). All raid costs →
Used by
Catapult350
Catapult350Relationship Map
Every way Propane Explosive Bomb connects to the rest of the game.
Propane Explosive BombCrafts from3
Recycles to3
Loot from6
Used by1
Unlocked after1
Unlocks next2