Builder's Hut

A cosy home for your builders. Higher levels increase the default time reduction for building upgrades.

Levels 1-31 upgrade costs (Food, Gold, Iron, Oil) + build times.

Unlocks at level 2

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Base costs shown below. Use our building calculator for costs with your bonuses applied.

Upgrade Costs and Requirements

Level	Food	Gold	Iron	Oil	Time	power	free speedup time
1	30	0	90	-	00:00:06	500	0s
2	75	0	230	-	00:00:12	1.00k	10s
3	340	0	1.00k	-	00:00:47	1.50k	20s
4	840	0	2.50k	-	00:01:57	2.00k	30s
5	6.80k	0	20.00k	-	00:11:42	2.50k	1m
6	20.00k	0	61.00k	-	00:23:24	3.00k	1m 30s
7	41.00k	0	120.00k	-	00:46:48	3.50k	2m
8	65.00k	0	190.00k	-	01:33:36	4.10k	3m
9	100.00k	33.00k	310.00k	-	02:11:03	4.80k	4m
10	120.00k	40.00k	370.00k	-	02:50:22	5.60k	5m
11	310.00k	100.00k	930.00k	-	03:41:28	6.80k	6m
12	530.00k	170.00k	1.60M	-	04:47:54	8.40k	7m
13	580.00k	190.00k	1.70M	-	06:14:16	10.10k	8m
14	810.00k	260.00k	2.40M	-	08:06:33	12.10k	9m
15	1.10M	360.00k	3.40M	-	11:21:10	14.40k	10m
16	2.00M	650.00k	6.10M	-	15:53:38	17.50k	11m
17	2.60M	840.00k	7.90M	-	22:15:05	21.00k	12m
18	4.30M	1.40M	13.20M	-	1d 07:09:07	25.60k	13m
19	5.50M	1.80M	17.00M	-	1d 19:36:45	30.70k	14m
20	10.00M	3.20M	30.00M	-	2d 13:03:27	37.50k	15m
21	14.00M	4.50M	42.00M	-	3d 07:22:29	45.50k	16m
22	18.00M	5.80M	54.00M	-	4d 07:11:13	54.60k	17m
23	23.00M	7.30M	68.00M	-	5d 14:21:55	64.80k	18m
24	28.00M	9.10M	85.00M	-	7d 16:01:21	76.20k	19m
25	48.00M	15.00M	140.00M	-	10d 19:55:13	90.80k	20m
26	67.00M	22.00M	200.00M	-	15d 08:31:58	108.30k	22m
27	88.00M	28.00M	260.00M	-	21d 12:32:45	128.20k	24m
28	120.00M	39.00M	370.00M	-	30d 01:33:50	151.80k	26m
29	170.00M	55.00M	520.00M	-	39d 01:53:19	179.80k	28m
30	240.00M	77.00M	720.00M	-	50d 19:15:19	212.80k	30m
31	290.00M	91.00M	860.00M	450.00k	61d 11:17:55	-	-