You know the recipe from the very beginning.
It costs 3 wood to make a 1 paper.
- [24/01/2017] The recipe has changed. Now it requires 3 pieces of wood.
- [07/07/2016] The recipe has changed. Instead of 100 wood units, now it requires only 50 units.
- [07/07/2016] The speed of making paper has changed from 30 seconds to 5.