Gold club is the name a special feature purchasable with the currency gold which is bought for real world money.
The Gold Club benefits include
- Farm slots
- merchants going 3 times
- Cropper finder
- Master Builder
- Automated trade routes
- automated evasion of capital troops in case of attacks
The benefits last the whole round after buying once.
It cost 100 gold on a normal speed server, 50 on 2x and so on.