Requirements
- Level 1: 7,000 Shell Coins, 50x Wood Log, 50x Iron, 50x Rock.
- Level 2: 55 restocks, 30,000 Shell Coins, 20x Sand, 10x Color Shell.
- Level 3: 170 restocks, 200,000 Shell Coins, 20x Sand, 10x Color Shell Brick.
- Build & Upgrade Time: 08:00:00 x the level number