Saltpeter MineSaltpeter Mine

Detail tab: Saltpeter Mine
Produces saltpeter.
To reposition buildings: No
Hitpoints: 500
Trade: No
Size: 2 x 2
Level: 62
Production: Deposit: Saltpeter x 1
Saltpeter x 1
12 m
Cost Production: Exotic Wood Planks x 2000
Granite x 2000
Tools x 1500
Level Building upgrades Production
Saltpeter Mine Level 1 20 m Exotic Wood Planks x 2000
Granite x 2000
Tools x 1500
Saltpeter Mine Level 2 2 m 30 s Tools x 500
Saltpeter Mine Level 3 5 m Tools x 1000
Saltpeter Mine Level 4 10 m Tools x 2000
Saltpeter Mine Level 5 20 m Tools x 5000
Saltpeter Mine Level 6 20 m Grout x 200
Saltpeter Mine Level 7 30 m Advanced Tools x 3000

Productivity Buffs — Saltpeter Mine

Delete Item Trade Buff Effect Duration Objective
Mining GuideMining Guide
This guide will teach your settlers how to run mining operations more efficiently.Zone Effect +200% outputTarget Mine (Copper, Iron, Coal, Gold, Titanium, Saltpeter)Duration 4 hours (6 hours on friend/guild member)
 Yes Yes 200 % 4 h
6 h 		Buildings Home Island
Friends		 Zone-wide buffs
IncitementIncitement
A loud voice in the ear can provide the right incitement, even if only for a short amount of time.Zone Effect +200% outputTarget Mine (Copper, Iron, Coal, Gold, Titanium, Salpeter)Duration 90 minutes
 Yes No 200 % 1 h 30 m Buildings Home Island Zone-wide buffs
Cookies and MilkCookies and Milk
Cookies and MilkArea Effect +200% output, halved input requirements, 32×32 area. Target MinesDuration 23 hoursProvides all miners in a wide area with Cookies and Milk, tripling their output while halving the input required for 23 hours.
 No No 200 % 23 h Buildings Home Island Productivity Buffs

Productivity Buffs

Delete Item Trade Buff Effect Duration Objective
Fish PlatterFish Platter
Effect +100% outputTarget WorkyardDuration 30 minutes (45 minutes on friend/guild member)

Cost
Fish 10
Production Time 1 m s
Instant Upgrade 2Gems

Yes Yes 100 % 30 m
45 m 		Buildings Home Island
Friends		 Productivity Buffs
Solid SandwichSolid Sandwich
Effect +100% outputTarget WorkyardDuration 2 hours (3 hours on friend/guild member)

Cost
Fish 40
Bread 20
Production Time 10 m s
Instant Upgrade 4Gems

Yes Yes 100 % 2 h
3 h 		Buildings Home Island
Friends		 Productivity Buffs
Aunt IrmaAunt Irma’s Gift Basket
Effect +100% outputTarget WorkyardDuration 6 hours (9 hours on friend/guild member)

Cost
Fish 120
Bread 60
Sausages 20
Production Time 30 m s
Instant Upgrade 8Gems

Yes Yes 100 % 6 h
9 h 		Buildings Home Island
Friends		 Productivity Buffs
Exotic Fruit BasketExotic Fruit Basket
Effect +200% outputTarget WorkyardDuration 12 hours (18 hours on friend/guild member)
 No Yes 200 % 12 h
18 h 		Buildings Home Island
Friends		 Productivity Buffs
Red Flying SettlerRed Flying Settler
Effect +200% outputTarget WorkyardDuration 24 hours (36 hours on friend/guild member)
 No Yes 200 % 24 h
1 d 12 h 		Buildings Home Island
Friends		 Productivity Buffs
Rabbit Lucky CharmRabbit Lucky Charm
Effect +200% outputTarget WorkyardDuration 48 hours (72 hours on friend/guild member)
 No Yes 200 % 2 d
3 d 		Buildings Home Island
Friends		 Productivity Buffs
TreatTreat
The good spirit of the holidays is sometimes stronger than any evil spirit that might trick you, and can remove its bad effect. Effect +300% outputTarget Workyard with the trick buffDuration 2 hours

Cost
Water 200
Pinewood Planks 50
Production Time 10 m s
Instant Upgrade 18Gems

Yes Yes 300 % 2 h Buildings Home Island Productivity Buffs
TrickTrick
It’s that time of year again — when the ghosts and spooky creatures come out of their holes to scare people. Tricking your friends can lead to similar results.Effect Stops the productionTarget Workyard on friend’s islandDuration 2 hours

Cost
Simple Paper 50
Fish 50
Production Time 10 m s
Instant Upgrade 18Gems

Yes Yes 2 h Buildings Friends Productivity Buffs
ZombieZombie
Effect +300% outputTarget WorkyardDuration 12 hours (18 hours on friend/guild member)
 No Yes 300 % 12 h
18 h 		Buildings Home Island
Friends		 Productivity Buffs
CookiesCookies
Effect +200% outputTarget WorkyardDuration 32 hours (48 hours on friend/guild member)
 No Yes 200 % 1 d 8 h
2 d 		Buildings Home Island
Friends		 Productivity Buffs
Stadium snacksStadium snacks
Effect +300% outputTarget WorkyardDuration 24 hours (36 hours on friend/guild member)
 No Yes 300 % 24 h
1 d 12 h 		Buildings Home Island
Friends		 Productivity Buffs
Bag of Rainbow SnowBag of Rainbow Snow
Effect +300% outputTarget WorkyardDuration 96 hours
 No Yes 300 % 4 d Buildings Home Island Productivity Buffs
Roasted DuckRoasted Duck
Effect +200% outputTarget WorkyardDuration 4 hours (6 hours on friend/guild member)
 No Yes 200 % 4 h
6 h 		Buildings Home Island
Friends		 Productivity Buffs
PieroPiero’s Bowl of Pasta
Effect +200% outputTarget WorkyardDuration 8 hours (12 hours on friend/guild member)
 No Yes 200 % 8 h
12 h 		Buildings Home Island
Friends		 Productivity Buffs
The Mother Tree RitualThe Mother Tree Ritual
Effect +200% outputTarget WorkyardDuration 20 hours (30 hours on friend/guild member)
 No Yes 200 % 20 h
1 d 6 h 		Buildings Home Island
Friends		 Productivity Buffs
Potion of Endless EnergyPotion of Endless Energy
Effect +200% outputTarget WorkyardDuration 12 hours (18 hours on friend/guild member)
 Yes Yes 200 % 12 h
18 h 		Buildings Home Island
Friends		 Productivity Buffs
Employee of the Month BadgeEmployee of the Month Badge
Effect +200% outputTarget WorkyardDuration 6 hours (9 hours on friend/guild member)
 Yes Yes 200 % 6 h
9 h 		Buildings Home Island
Friends		 Productivity Buffs
Inspirational SpeechInspirational Speech
Area Effect +200% outputTarget WorkyardDuration 12 hours (18 hours on friend/guild member)Radius 3 squares
 No Yes 200 % 12 h
18 h 		Buildings Home Island
Friends		 Productivity Buffs
DatesDates
Area Effect +200% outputTarget WorkyardDuration 10 hours (15 hours on friend/guild member)Radius 2 squares
 No No 200 % 10 h
15 h 		Buildings Home Island
Friends		 Productivity Buffs
Aunt IrmaAunt Irma’s Feast
Effect +100% outputTarget WorkyardDuration 24 hours (36 hours on friend/guild member)
 Yes Yes 100 % 24 h
1 d 12 h 		Buildings Home Island
Friends		 Productivity Buffs
ElixirElixir
Effect +400% outputTarget WorkyardDuration 60 minutes (90 minutes on friend/guild member)
 No Yes 400 % 60 m
1 h 30 m 		Buildings Home Island
Friends		 Productivity Buffs
Machine OilMachine Oil
Effect +400% outputTarget WorkyardDuration 6 hours (9 hours on friend/guild member)
 No Yes 400 % 6 h
9 h 		Buildings Home Island
Friends		 Productivity Buffs
Grilled SteakGrilled Steak
Effect +100% outputTarget WorkyardDuration 48 hours (72 hours on friend/guild member)
 Yes Yes 100 % 2 d
3 d 		Buildings Home Island
Friends		 Productivity Buffs
Smoked Fish SteakSmoked Fish Steak
Effect +100% outputTarget WorkyardDuration 72 hours (108 hours on friend/guild member)
 Yes Yes 100 % 3 d
4 d 12 h 		Buildings Home Island
Friends		 Productivity Buffs
Christmas Market Buff Level 1Christmas Market Buff Level 1
Christmas Market Buff Level 1Area Effect +100% output, 5×5 area. Target WorkyardDuration 12 hours
 No No 100 % 12 h Buildings Home Island Productivity Buffs
Christmas Market Buff Level 2Christmas Market Buff Level 2
Christmas Market Buff Level 2Area Effect +100% output, 9×9 area. Target WorkyardDuration 12 hours
 No No 100 % 12 h Buildings Home Island Productivity Buffs
Christmas Market Buff Level 3Christmas Market Buff Level 3
Christmas Market Buff Level 3Area Effect +200% output, 9×9 area. Target WorkyardDuration 12 hours
 No No 200 % 12 h Buildings Home Island Productivity Buffs
Christmas Market Buff Level 4Christmas Market Buff Level 4
Christmas Market Buff Level 4Area Effect +300% output, 11×11 area. Target WorkyardDuration 12 hours
 No No 300 % 12 h Buildings Home Island Productivity Buffs