Introduction--Daily Task--Upgrade Constructions

Tank_Chole

Upgrade Constructions

[Unlock Condition]

When the players reach Lv.2

[Rules]

Clicking the constructions and button ' Upgrade ' after entering city interface. Clicking button spanner will accelerate upgrading and produce more output. The level of constructions will affect the amount of resources when trading. The constructions with higher level will produce more resources when trading.

[Upgrade Automatically]

1. The players can upgrade buildings automatically when becoming VIP1

2. The players can upgrade offline so it can be finished offline.

3. Using the advanced construction crew will finish upgrading immediately.