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Furnace: Difference between revisions

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[[Category:Buildings]]
[[Category:Buildings]]
== Build Requirements ==
{| class="wikitable sortable"
|+ Furnace Build Requirements
! Level !! Prerequisites !! Build Cost !! Construction Time !! Building Power
|-
| 1 || — || — || — || 2,000
|-
| 2 || Sawmill Lv. 1 || Meat: 180 || 00:00:06 || 3,800
|-
| 3 || Shelter 1 Lv. 2 || Meat: 805 || 00:01:00 || 6,500
|-
| 4 || Coal Mine Lv. 3 || Meat: 1.8K | Wood: 360 || 00:03:00 || 10,100
|-
| 5 || Hero Hall, Shelter 3 Lv. 3 || Meat: 7.6K | Wood: 1.5K || 00:10:00 || 15,500
|-
| 6 || Iron Mine Lv. 5 || Meat: 19K | Wood: 3.8K | Coal: 960 || 00:30:00 || 23,600
|-
| 7 || Hunter's Hut Lv. 6 || Meat: 69K | Wood: 13K | Coal: 3.4K || 01:00:00 || 35,300
|-
| 8 || Infantry Camp Lv. 7 || Meat: 120K | Wood: 25K | Coal: 6.3K || 02:30:00 || 47,000
|-
| 9 || Embassy Lv. 8, Infirmary Lv. 1 || Meat: 260K | Wood: 52K | Coal: 13K || 04:30:00 || 58,700
|-
| 10 || Marksman Camp Lv. 9, Research Center Lv. 1 || Meat: 460K | Wood: 92K | Coal: 23K || 06:00:00 || 75,700
|-
| 11 || Embassy Lv. 10, Lancer Camp Lv. 10 || Resource Pack: 1.3M | Meat: 1.3M | Wood: 260K | Coal: 65K || 07:30:00 || 92,700
|-
| 12 || Embassy Lv. 11, Command Center Lv. 1 || Resource Pack: 1.6M | Meat: 1.6M | Wood: 330K | Coal: 84K || 09:00:00 || 109,700
|-
| 13 || Embassy Lv. 12, Command Center Lv. 2 || Resource Pack: 2M | Meat: 2M | Wood: 410K | Coal: 100K || 12:00:00 || 131,700
|-
| 14 || Embassy Lv. 13, Command Center Lv. 3 || Resource Pack: 2.6M | Meat: 2.6M | Wood: 520K | Coal: 130K || 15:00:00 || 158,700
|-
| 15 || Embassy Lv. 14, Command Center Lv. 4 || Resource Pack: 5.3M | Meat: 5.3M | Wood: 1M | Coal: 265K || 1d 00:00:00 || 191,700
|-
| 16 || Embassy Lv. 15, Command Center Lv. 5 || Resource Pack: 8.6M | Meat: 8.6M | Wood: 1.7M | Coal: 430K || 1d 12:00:00 || 230,700
|-
| 17 || Embassy Lv. 16, Command Center Lv. 6 || Resource Pack: 14M | Meat: 14M | Wood: 2.8M | Coal: 700K || 2d 00:00:00 || 277,700
|-
| 18 || Embassy Lv. 17, Command Center Lv. 7 || Resource Pack: 23M | Meat: 23M | Wood: 4.6M | Coal: 1.1M || 2d 12:00:00 || 333,700
|-
| 19 || Embassy Lv. 18, Command Center Lv. 8 || Resource Pack: 38M | Meat: 38M | Wood: 7.6M | Coal: 1.9M || 3d 06:00:00 || 400,700
|-
| 20 || Embassy Lv. 19, Command Center Lv. 9 || Resource Pack: 62M | Meat: 62M | Wood: 12M | Coal: 3.1M || 4d 00:00:00 || 480,700
|-
| 21 || Embassy Lv. 20, Command Center Lv. 10 || Resource Pack: 82M | Meat: 82M | Wood: 16M | Coal: 4.1M || 5d 00:00:00 || 573,700
|-
| 22 || Embassy Lv. 21, Command Center Lv. 11 || Resource Pack: 100M | Meat: 100M | Wood: 20M | Coal: 5M || 6d 00:00:00 || 682,700
|-
| 23 || Embassy Lv. 22, Command Center Lv. 12 || Resource Pack: 120M | Meat: 120M | Wood: 24M | Coal: 6M || 8d 00:00:00 || 808,700
|-
| 24 || Embassy Lv. 23, Command Center Lv. 13 || Resource Pack: 145M | Meat: 145M | Wood: 29M | Coal: 7.2M || 10d 00:00:00 || 953,700
|-
| 25 || Embassy Lv. 24, Command Center Lv. 14 || Resource Pack: 175M | Meat: 175M | Wood: 35M | Coal: 8.7M || 14d 00:00:00 || 1,019,700
|-
| 26 || Embassy Lv. 25, Command Center Lv. 15 || Resource Pack: 175M | Meat: 175M | Wood: 35M | Coal: 8.7M || 17d 00:00:00 || 1,087,100
|-
| 27 || Embassy Lv. 26, Command Center Lv. 16 || Resource Pack: 175M | Meat: 175M | Wood: 35M | Coal: 8.7M || 21d 00:00:00 || 1,157,000
|-
| 28 || Embassy Lv. 27, Research Center Lv. 27 || Resource Pack: 190M | Meat: 190M | Wood: 39M | Coal: 9.9M || 29d 02:52:00 || 1,213,100
|-
| 29 || Embassy Lv. 28, Infantry Camp Lv. 28 || Resource Pack: 240M | Meat: 240M | Wood: 49M | Coal: 12M || 33d 11:42:00 || 1,339,600
|-
| 30 || Embassy Lv. 29, Marksman Camp Lv. 29 || Resource Pack: 300M | Meat: 300M | Wood: 60M | Coal: 15M || 40d 04:27:00 || 1,523,500
|}

Revision as of 16:38, 18 May 2026

The Furnace is your town's headquarters and the first building you construct. Its level gates the maximum level of all other buildings, unlocks new buildings, and determines the amount of heat produced to keep survivors warm.

Overview

The Furnace serves two core functions:

  • Power & Progression — Every level increases your total Building Power and unlocks access to higher-level upgrades across all other buildings.
  • Heat Production — The Furnace generates heat during the day, night, and snowstorms to prevent survivors from becoming sick. Sick survivors cannot work.

Requirements

Construction times listed are base times and do not account for reductions from State Buffs, Research, or hero skills (e.g. Zinman).

Furnace Upgrade Requirements
Level Prerequisites Meat Wood Coal Iron Construction Time Building Power
1 2,000
2 Sawmill Lv. 1 180 00:00:06 3,800
3 Shelter 1 Lv. 2 805 00:01:00 6,500
4 Coal Mine Lv. 3 1,800 360 00:03:00 10,100
5 Hero Hall; Shelter 3 Lv. 3 7,600 1,500 00:10:00 15,500
6 Iron Mine Lv. 5 19,000 3,800 960 00:30:00 23,600
7 Hunter's Hut Lv. 6 69,000 13,000 3,400 01:00:00 35,300
8 Infantry Camp Lv. 7 120,000 25,000 6,300 02:30:00 47,000
9 Embassy Lv. 8; Infirmary Lv. 1 260,000 52,000 13,000 04:30:00 58,700
10 Marksman Camp Lv. 9; Research Center 460,000 92,000 23,000 06:00:00 75,700
11 Embassy Lv. 10; Lancer Camp Lv. 10 1,300,000 1,300,000 260,000 65,000 07:30:00 92,700
12 Embassy Lv. 11; Command Centre Lv. 1 1,600,000 1,600,000 330,000 84,000 09:00:00 109,700
13 Embassy Lv. 12; Infantry Camp Lv. 12 2,300,000 2,300,000 470,000 110,000 11:00:00 138,400
14 Embassy Lv. 13; Marksman Camp Lv. 13 3,100,000 3,100,000 630,000 150,000 14:00:00 167,100
15 Embassy Lv. 14; Lancer Camp Lv. 14 4,600,000 4,600,000 930,000 230,000 18:00:00 195,800
16 Embassy Lv. 15; Research Center Lv. 15 5,900,000 5,900,000 1,100,000 290,000 1d 06:28:00 236,200
17 Embassy Lv. 16; Infantry Camp Lv. 16 9,300,000 9,300,000 1,800,000 460,000 1d 12:34:00 276,600
18 Embassy Lv. 17; Marksman Camp Lv. 17 12,000,000 12,000,000 2,500,000 620,000 1d 19:53:00 317,000
19 Embassy Lv. 18; Lancer Camp Lv. 18 15,000,000 15,000,000 3,100,000 780,000 2d 17:50:00 374,400
20 Embassy Lv. 19; Research Center Lv. 19 21,000,000 21,000,000 4,300,000 3d 10:18:00 431,800
21 Embassy Lv. 20; Infantry Camp Lv. 20 27,000,000 27,000,000 5,400,000 1,300,000 4d 10:59:00 489,200
22 Embassy Lv. 21; Marksman Camp Lv. 21 36,000,000 36,000,000 7,200,000 1,800,000 6d 16:29:00 575,300
23 Embassy Lv. 22; Lancer Camp Lv. 22 44,000,000 44,000,000 8,900,000 2,200,000 9d 08:40:00 661,400
24 Embassy Lv. 23; Research Center Lv. 23 60,000,000 60,000,000 12,000,000 13d 02:33:00 747,500
25 Embassy Lv. 24; Infantry Camp Lv. 24 81,000,000 81,000,000 16,000,000 18d 08:22:00 833,600
26 Embassy Lv. 25; Marksman Camp Lv. 25 100,000,000 100,000,000 21,000,000 5,200,000 21d 02:26:00 960,100
27 Embassy Lv. 26; Lancer Camp Lv. 26 140,000,000 140,000,000 24,000,000 7,400,000 25d 07:43:00 1,086,600
28 Embassy Lv. 27; Research Center Lv. 27 190,000,000 190,000,000 39,000,000 9,900,000 29d 02:52:00 1,213,100
29 Embassy Lv. 28; Infantry Camp Lv. 28 240,000,000 240,000,000 49,000,000 12,000,000 33d 11:42:00 1,339,600
30 Embassy Lv. 29; Marksman Camp Lv. 29 300,000,000 300,000,000 60,000,000 15,000,000 40d 04:27:00 1,523,500

See also

  • Buildings — Full list of all buildings
  • Units — Troop tiers unlocked by Furnace level
  • Resources — Food, Wood, Coal, Iron

Build Requirements

Furnace Build Requirements
Level Prerequisites Build Cost Construction Time Building Power
1 2,000
2 Sawmill Lv. 1 Meat: 180 00:00:06 3,800
3 Shelter 1 Lv. 2 Meat: 805 00:01:00 6,500
4 Coal Mine Lv. 3 Wood: 360 00:03:00 10,100
5 Hero Hall, Shelter 3 Lv. 3 Wood: 1.5K 00:10:00 15,500
6 Iron Mine Lv. 5 Wood: 3.8K | Coal: 960 00:30:00 23,600
7 Hunter's Hut Lv. 6 Wood: 13K | Coal: 3.4K 01:00:00 35,300
8 Infantry Camp Lv. 7 Wood: 25K | Coal: 6.3K 02:30:00 47,000
9 Embassy Lv. 8, Infirmary Lv. 1 Wood: 52K | Coal: 13K 04:30:00 58,700
10 Marksman Camp Lv. 9, Research Center Lv. 1 Wood: 92K | Coal: 23K 06:00:00 75,700
11 Embassy Lv. 10, Lancer Camp Lv. 10 Meat: 1.3M | Wood: 260K | Coal: 65K 07:30:00 92,700
12 Embassy Lv. 11, Command Center Lv. 1 Meat: 1.6M | Wood: 330K | Coal: 84K 09:00:00 109,700
13 Embassy Lv. 12, Command Center Lv. 2 Meat: 2M | Wood: 410K | Coal: 100K 12:00:00 131,700
14 Embassy Lv. 13, Command Center Lv. 3 Meat: 2.6M | Wood: 520K | Coal: 130K 15:00:00 158,700
15 Embassy Lv. 14, Command Center Lv. 4 Meat: 5.3M | Wood: 1M | Coal: 265K 1d 00:00:00 191,700
16 Embassy Lv. 15, Command Center Lv. 5 Meat: 8.6M | Wood: 1.7M | Coal: 430K 1d 12:00:00 230,700
17 Embassy Lv. 16, Command Center Lv. 6 Meat: 14M | Wood: 2.8M | Coal: 700K 2d 00:00:00 277,700
18 Embassy Lv. 17, Command Center Lv. 7 Meat: 23M | Wood: 4.6M | Coal: 1.1M 2d 12:00:00 333,700
19 Embassy Lv. 18, Command Center Lv. 8 Meat: 38M | Wood: 7.6M | Coal: 1.9M 3d 06:00:00 400,700
20 Embassy Lv. 19, Command Center Lv. 9 Meat: 62M | Wood: 12M | Coal: 3.1M 4d 00:00:00 480,700
21 Embassy Lv. 20, Command Center Lv. 10 Meat: 82M | Wood: 16M | Coal: 4.1M 5d 00:00:00 573,700
22 Embassy Lv. 21, Command Center Lv. 11 Meat: 100M | Wood: 20M | Coal: 5M 6d 00:00:00 682,700
23 Embassy Lv. 22, Command Center Lv. 12 Meat: 120M | Wood: 24M | Coal: 6M 8d 00:00:00 808,700
24 Embassy Lv. 23, Command Center Lv. 13 Meat: 145M | Wood: 29M | Coal: 7.2M 10d 00:00:00 953,700
25 Embassy Lv. 24, Command Center Lv. 14 Meat: 175M | Wood: 35M | Coal: 8.7M 14d 00:00:00 1,019,700
26 Embassy Lv. 25, Command Center Lv. 15 Meat: 175M | Wood: 35M | Coal: 8.7M 17d 00:00:00 1,087,100
27 Embassy Lv. 26, Command Center Lv. 16 Meat: 175M | Wood: 35M | Coal: 8.7M 21d 00:00:00 1,157,000
28 Embassy Lv. 27, Research Center Lv. 27 Meat: 190M | Wood: 39M | Coal: 9.9M 29d 02:52:00 1,213,100
29 Embassy Lv. 28, Infantry Camp Lv. 28 Meat: 240M | Wood: 49M | Coal: 12M 33d 11:42:00 1,339,600
30 Embassy Lv. 29, Marksman Camp Lv. 29 Meat: 300M | Wood: 60M | Coal: 15M 40d 04:27:00 1,523,500