Ratios: Iron/I.Foun/Coal/Steel.Foun/S.Sell
| Factory | Ratio | Build | Upgrades | Income@Max | Creator |
|---|---|---|---|---|---|
| A2 | 4/4/4/2/1 | Build | Upgrades | 2@100%, 1@75%, 1@50% | /u/Code14715 |
| A3 | 4/4/4/2/1 | Build | Upgrades | 3@100%, 1@75%, 1@50% | /u/Code14715 |
| A3 | 4/4/2/2/1 | Build | Upgrades | 4@100%, 1@50%, 1@25% | /u/arjayim |
| A4 | 4/4/4/2/1 | Build | Upgrades | 6@100% | |
| A4 | 4/4/4/2/1 | Build | Upgrades | 4@100%, 1@50%, 1@25% | /u/AlphaDog113004 |