Upgrade stats
| upgrade type | effects | effect equation | cost equation | % of cost in money | % of cost in onions | % of cost in ore | % of cost in troll iron | max level |
|---|---|---|---|---|---|---|---|---|
| Farms | increases onion production by x% per tick | 1.05**(lvl-1) | 100*1.3**(lvl-1) | 0% | 0% | 50% | 0% | 100 |
| Mines | increases ore production by x% per tick | 1.05**(lvl-1) | 100*1.3**(lvl-1) | 100% | 70% | 0% | 0% | 100 |
| Farm school | applies a train time multiplier to farmers | 0.95**(lvl-1) | 1000*1.4**(lvl-1) | 100% | 0% | 50% | 0% | 100 |
| Mine school | applies a train time multiplier to miners | 0.90**(lvl-1) | 1500*1.8**(lvl-1) | 100% | 40% | 0% | 0% | 100 |
| War school | applies a train time multiplier to warriors | 0.9**(lvl-1) | 2000*2**(lvl-1) | 100% | 70% | 70% | 0% | 100 |
| Housing | Increases population limit to x ogres | 1000*1.8**(lvl-1) | 1000*1.2**(lvl-1) | 100% | 30% | 60% | 1% | 100 |