Information
The Tigers' Den is a special cultural building released during the 2014 Summer Event.
The Tigers' Den provides happiness as well as defense boost, and when it is polished, its output of happiness is doubled for 12 hours.
Happiness
 Age
| 
|
|---|---|
| Bronze Age | +360 |
| Iron Age | +560 |
| Early Middle Ages | +600 |
| High Middle Ages | +670 |
| Late Middle Ages | +750 |
| Colonial Age | +880 |
| Industrial Age | +990 |
| Progressive Era | +1,080 |
| Modern Era | +1,160 |
| Postmodern Era | +1,210 |
| Contemporary Era | +1,410 |
| Tomorrow | +1,710 |
| The Future | +2,040 |
| Arctic Future | +2,380 |
| Oceanic Future | +2,750 |
