City Achievement is the currently the only way for you to get free Sim Cash, this guide provides you with a simple glimpse on these City Achievements to help you plan your in game progress, since for some of the categories you do not see further than what you have available. You can unlock this feature after building the Mayor’s mansion.

Culture Capital
Provide culture services to 35 residential zones with Landmarks
Reward: 3 SimCash

Parks & Rec
Provide Park services for 20 Residential Zones
Reward: 3 SimCash

Provide Park services for 75 Residential Zones
Reward: 10 SimCash

Sin City
Provide Gambling services for 15 residential zones.
Reward: 3 SimCash

Smart City
Provide Educational services for 30 residential zones.

Economic Empire
Trade and earn 1000
Reward: 3 SimCash

Trade and earn 50000
Reward: 10 SimCash

Importer
Spend 1000 when trading
Reward: 3 SimCash

Spend 50000 when trading
Reward: 10 SimCash

Social City
Have 1 friends
Reward: 3 SimCash

Clean & Green City
Provide Wind/Solar Power to 20 Residential Zones
Reward: 3 SimCash

Smoggy City
Provide Coal/Oil Power to 25 Residential Zones
Reward: 3 SimCash

Super Power
Provide Nuclear / Fusion Power to 75 Residential Zones
Reward: 3 SimCash

Wealthy City
Collect 5000 in Taxes
Reward: 3 SimCash

Collect 10000 in Taxes
Reward: 10 SimCash

Growing City
Open 1 Expansions on the Game map
Reward: 3 SimCash

Tiny Town
Have 3000 Sims living in your City
Reward: 2 SimCash

Have 5000 Sims Living in your City
Reward: 4 SimCash

Have 8000 Sims living in your City
Reward: 6 SimCash

Suburb City
Have 12000 Sims living in your City
Reward: 8 SimCash

Have 18000 Sims living in your City
Reward: 10 SimCash

Have 26000 Sims living in your City
Reward: 12 SimCash

Population Boost:
Have 35000 Sims living in your City
Reward: 14 SimCash

Big City:
Have 100000 Sims living in your City
Reward: 20 SimCash

Metropolis:
Have 300000 Sims living in your City
Reward: 26 SimCash

Captain:
Complete 5 Cargo Shipments
Reward: 3 SimCash

Mad Scientist:
Unleash 5 Disasters
Reward: 3 SimCash