Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
A Better Tourist Trap ( 30 points )	Build an Aerodrome and a Seven-star hotel in a single mission.
Better Than Tenements ( 30 points )	Have a Ziggurat with 50 families as tenants.
Capo Di Tutti Capi ( 20 points )	Renovate your Palace.
Going Green ( 20 points )	Build 4 Bio Farms and 4 Organic Ranches in a single mission.
Heaven On Earth ( 20 points )	Build a Diamond Cathedral before 1990.
Office Space ( 30 points )	Have a Babel Tower with 50 employees.