Working backwards from Rust is how you get Iron. First you build a Car from an Engine and a Plant, then leave it in the Dust until it corrodes into Rust. Washing that Rust with Water reveals the metal underneath, so the game gives you Iron after seven combinations, a nice reversal of how rust normally forms.
Quick answer: combine 🔨 Rust + 💧 Water to make 🔨 Iron.
Step-by-step recipe for Iron
Follow the steps in order. Each step only uses the four starting elements or something you made in an earlier step.
- 🔥 Fire+💧 Water=💨 Steam
- 🔥 Fire+💨 Steam=🚗 Engine
- 🌎 Earth+💧 Water=🌱 Plant
- 🚗 Engine+🌱 Plant=🚗 Car
- 🌎 Earth+💨 Wind=🌫️ Dust
- 🚗 Car+🌫️ Dust=🔨 Rust
- 🔨 Rust+💧 Water=🔨 Iron
Along the way you will also discover:
What can you make with Iron?
Once Iron is in your list, try these combinations next:
| Combine | Result |
|---|---|
| 🔨 Iron + 🌎 Earth | 🤘 Metal |
| 🔨 Iron + 🌱 Plant | 🛠️ Steel |
| 🔨 Iron + 🌳 Tree | 🪓 Axe |
| 🔨 Iron + 🌀 Hurricane | 🔧 Titanium |
| 🔨 Iron + ❄️ Snow | 🛼 Skates |
| 🔨 Iron + 🏔️ Mountain Range | 🏔️ Iron Range |
| 🔨 Iron + 🌲 Wood | 💅 Nail |
| 🔨 Iron + ⬇️ Delta | 🗡️ Dagger |
Tip: Iron + Earth gives Metal and Iron + Plant gives Steel, both useful building blocks. Iron + Tree also makes an Axe if you want a quick tool.
More recipes
All 107 recipe guides → · Combinations chart → · Recipe explorer →