Growth SMAC Sid Meier's Alpha Centauri


Growth SMAC



Growth is a SMAC Social Engineering Society Effect in Firaxis' TBS Game of 1999, Sid Meier's Alpha Centauri (SMAC). Growth governs the amount of nutrients required in order for a Base to grow in population.

Bases only reap the rewards of the seeds sown by SMAC Terraforming when they grow to their next level. If a Base lacks sufficient nutrients to grow then its growth stagnates and its population may begin to starve until the nutrient shortfall is addressed.

Increase Growth Rate of Bases


Note that rapid Base growth rate causes population pressure, which induces SMAC Drones.


Increase Population Level of Bases



Growth Score


  • -3, NEAR-ZERO POPULATION GROWTH
  • -2, -20% growth rate
  • -1, -10% growth rate
  • 0, Normal growth rate
  • 1, +10% growth rate
  • 2, +20% growth rate
  • 3, +30% growth rate
  • 4, +40% growth rate
  • 5, +50% growth rate
  • 6, POPULATION BOOM

Population Boom SMAC


At a growth score of 6, the Base achieves a population boom. During a population boom, the Base grows every turn. To achieve a population boom each turn, a Base needs a Children's Creche, Democratic Politics, Planned Economics and a 2-point Nutrient surplus, which is most easily achieved by way of Supply Crawler.

Let me put it another way:

Population Boom aka Pop Boom refers to a colony (a base) that grows by one population unit per turn. In order to grow by one population unit per turn, a colony must have 6 points of Growth as well as a two-point Nutrient surplus.

SMAC Guide Units SMAC Modules SMAC
Factions SMAC Chassis SMAC Reactors SMAC
Base Facilities SMAC Weapons SMAC Unit Special Abilities SMAC
Technology Tree SMAC Armor SMAC Secret Projects SMAC

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