The Tube Entrance is one of four decorations of the Arctic Future. When the Tube Entrance is polished, its output of happiness is doubled for 12 hours.
Efficiency
+180 per tile.[1]
Output Modifier
Your decoration can be polished to double the happiness provided to +520 for 12 hours.
References
- ↑ The efficiency is calculated by the happiness it provides divided by the number of squares the building takes up in size.
Other Decorations
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