URBO: Dream One – Tips to Obtain Pro Achievement

Tips that might help you to unlock pro achievement.

Pro Achievement Tips

Requirements

Pro

• First merge of 9 buildings

How-To

Build this:

• ??1??
• ??1??
• 11×11
• ??1??
• ??1??

Where:

• 1 – buildings of same level (lvl 1 for example).
• ? – anything exept 1.
• x – empty slot.

And place 1 in center empty slot to combine all 9 buildings.