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Racial traits are essentially racial picks updated for Master of Orion.

Some of the traits listed here are "hidden" in the game and not normally available on the custom race screen. They are either exclusive to a preset race, meant to be obtained through one of the special abilities bundles, or used behind the scene by one of the non-playable factions (Antarans, pirates, and space monsters). Hidden traits are listed in a fainter style.

Population Growth[ | ]

Icon Name Description Cost
Population growth low
Population Growth: -50% Population growth is much slower than normal. -7
Population growth low
Population Growth: -25% Population growth is slower than normal. -4
Population growth high
Population Growth: +25% Population growth is 25% faster than normal. 4
Population growth maximum
Population Growth: +50% Population growth is 50% faster than normal. 7

Food from Population[ | ]

These traits affect food generated by farmers:

Alkari FarmerBulrathi FarmerDarlok FarmerElerian FarmerGnolam FarmerHuman FarmerKlackon FarmerMeklar FarmerMrrshan FarmerPsilon FarmerSakkra FarmerSilicoid FarmerTerran FarmerTrilarian Farmer
Icon Name Description Cost
Food output low
Food from Population: -25% This race's population generates less food than normal. -3
Food output high
Food from Population: +25% This race's population generates 25% more food than normal. 4
Food output maximum
Food from Population: +50% This race's population generates 50% more food than normal. 7

Production from Population[ | ]

These traits affect production generated by workers:

Alkari WorkerBulrathi WorkerDarlok WorkerElerian WorkerGnolam WorkerHuman WorkerKlackon WorkerMeklar WorkerMrrshan WorkerPsilon WorkerSakkra WorkerSilicoid WorkerTerran WorkerTrilarian Worker
Icon Name Description Cost
Production low
Production from Population: -25% Production is slower than normal. -3
Production high
Production from Population: +25% Production is 25% faster than normal. 3
Production maximum
Production from Population: +50% Production is 50% faster than normal. 6

Research from Population[ | ]

These traits affect research generated by scientists:

Alkari ScientistBulrathi ScientistDarlok ScientistElerian ScientistGnolam ScientistHuman ScientistKlackon ScientistMeklar ScientistMrrshan ScientistPsilon ScientistSakkra ScientistSilicoid ScientistTerran ScientistTrilarian Scientist
Icon Name Description Cost
Research low
Research from Population: -25% Research is slower than normal. -3
Research high
Research from Population: +25% Research is 25% faster than normal. 3
Research maximum
Research from Population: +50% Research is 50% faster than normal. 6

Credits from Population[ | ]

These traits affect credits taxed from citizens:

Alkari CitizenBulrathi CitizenDarlok CitizenElerian CitizenGnolam CitizenHuman CitizenKlackon CitizenMeklar CitizenMrrshan CitizenPsilon CitizenSakkra CitizenSilicoid CitizenTerran CitizenTrilarian Citizen
Icon Name Description Cost
Credits low
Credits from Population: -25% This race generates fewer credits than normal. -4
Credits high
Credits from Population: +25% This race generates 25% more credits than normal. 5
Credits maximum
Credits from Population: +50% This race generates 50% more credits than normal. 8

Pollution Tolerance[ | ]

Icon Name Description Cost
Pollution immunity
Pollution Tolerance: Immune Pollution doesn't affect food production. 8

Homeworld Size[ | ]

Icon Name Description Cost
Home size large
Homeworld Size: Small This race's homeworld is a small planet. It supports less population than a normal planet. -2
Home size large
Homeworld Size: Large This race's homeworld is a large planet. It supports a bigger population than a normal planet. 2
Home size large
Homeworld Size: Huge This race's homeworld is a huge planet. It supports a bigger population than a large planet. 4

Homeworld Minerals[ | ]

Icon Name Description Cost
Home minerals poor
Homeworld Minerals: Poor This race's homeworld is a mineral-poor planet. It causes slower production than normal planets. -2
Home minerals rich
Homeworld Minerals: Rich This race's homeworld is a mineral-rich planet. It allows faster production than normal planets. 2
Home minerals ultra rich
Homeworld Minerals: Ultra-Rich This race's homeworld is a mineral-ultra-rich planet. It allows much faster production than normal planets. 6

Beam Defense[ | ]

Icon Name Description Cost
Ship defense low
Beam Defense: -25% Beam defense is lower than normal. -1
Ship defense high
Beam Defense: +25% Beam defense is 25% higher than normal. 2
Ship defense maximum
Beam Defense: +50% Beam defense is 50% higher than normal. 4

Beam Attack[ | ]

Icon Name Description Cost
Ship attack low
Beam Attack: -25% Beam attack is lower than normal. -1
Ship attack high
Beam Attack: +25% Beam attack is 25% higher than normal. 2
Ship attack maximum
Beam Attack: +50% Beam attack is 50% higher than normal. 4

Ship Improvements[ | ]

Icon Name Description Cost
Ship auto repair
Ship Improvements: Auto Repair Ships regain 5% of their hull at the beginning of each turn. 3
Ship combat speed
Ship Improvements: Combat Speed Bonus Combat speed +25% 1
Ship travel speed
Ship Improvements: Travel Speed Bonus Travel speed +25% 2
Ship stealth
Ship Improvements: Stealth This race's ships can get closer to opponents without being detected. 2

Ship Cost[ | ]

Icon Name Description Cost
Ship cost reduced
Ship Cost: -20% Ship cost is lower than normal. 3

Homeworld Biome[ | ]

In addition to these, localized strings exist for uber planet homeworlds: tropical, grassland, cavernous and inferno.

Icon Name Description Cost
Home biome swamp
Homeworld Biome: Swamp This race's homeworld is a swamp planet. -1
Home biome desert
Homeworld Biome: Desert This race's homeworld is a desert planet. -1
Home biome arid
Homeworld Biome: Arid This race's homeworld is an arid planet. -1
Home biome volcanic
Homeworld Biome: Volcanic This race's homeworld is a volcanic planet. -1
Home biome ocean
Homeworld Biome: Ocean This race's homeworld is an ocean planet. -1

Uber Planet[ | ]

Icon Name Description Cost
Trait uber cavernous
Uber Planet: Cavernous This race can transform arid planets into highly improved cavernous planets. 2
Trait uber grassland
Uber Planet: Grassland This race can transform arid planets into highly improved grassland planets. 2
Trait uber tropical
Uber Planet: Tropical This race can transform swamp planets into highly improved tropical planets. 2
Trait uber inferno
Uber Planet: Inferno This race can transform volcanic planets into highly improved inferno planets. 2
Trait uber oceanic
Uber Planet: Ocean Uber-Planet This race can transform tundra planets into ocean planets. 2

Food Consumption[ | ]

Icon Name Description Cost
Food consumption reduced
Food Consumption: -25% This race consumes 25% less food than normal. 3
Food consumption reduced
Food Consumption: -50% This race consumes 50% less food than normal. 5
Food consumption none
Food Consumption: None This race doesn't consume food. 8

Morale[ | ]

Icon Name Description Cost
Morale low
Morale: -15% Morale is much lower than normal. -3
Morale low
Morale: -5% Morale is lower than normal. -1
Morale invariable
Morale: +5% Morale is higher than normal. 2
Morale invariable
Morale: +15% Morale is much higher than normal. 4

Ground Units[ | ]

Icon Name Description Cost
Ground units marines rate
Ground Units: Improved Marine Training Rate Marines are generated 50% faster. 1
Ground units extended barracks
Ground Units: Extended Barracks This race can host more marines at each colony. 1

Ground Combat Rating[ | ]

Icon Name Description Cost
Ground combat low
Ground Combat Rating: -25% Ground Combat Rating is lower than normal. -1
Ground combat high
Ground Combat Rating: +25% Ground Combat Rating is 25% higher than normal. 1
Ground combat high
Ground Combat Rating: +50% Ground Combat Rating is 50% higher than normal. 2

Assimilation Power[ | ]

Icon Name Description Cost
Assimilation power low
Assimilation Power: -25% Assimilation of invaded races is slower than usual. -1
Assimilation power high
Assimilation Power: +25% Assimilation of invaded races is 25% faster than usual. 1
Assimilation power immediate
Assimilation Power: Immediate Assimilation of invaded races is immediate. 4

Gravity Tolerance[ | ]

Icon Name Description Cost
Gravity low
Gravity Tolerance: Low Gravity The race is not affected by low gravity. -3
Gravity high
Gravity Tolerance: High Gravity The race is not affected by high gravity. 4
Gravity high
Gravity Tolerance: All This race is not affected by low or high gravity. 6

Security[ | ]

Icon Name Description Cost
Counterespionage low
Security: -20% Security is lower than normal. -3
Counterespionage high
Security: +10% Security is 10% higher than normal. 1
Counterespionage maximum
Security: +20% Security is 20% higher than normal. 3

Missions Risk[ | ]

Icon Name Description Cost
Espionage low
Missions Risk: +10% Spies have lower chances of accomplishing missions. -1
Espionage high
Missions Risk: -10% Spies have higher chances of accomplishing missions. 2
Espionage maximum
Missions Risk: -20% Spies have much higher chances of accomplishing missions. 4

Experience[ | ]

Icon Name Description Cost
Espionage high
Experience: +50% Spies gain experience faster than normal. 4

Omniscience[ | ]

Icon Name Description Cost
Omniscience
Omniscience: Enabled The race can see all stars, planets and opponents' colonies and ships from the beginning. 8

Trading[ | ]

Icon Name Description Cost
Trading treaties
Trade Treaties Bonus Race gets +25% Billion Credits from Trade Treaties. 3
Trading goods
Trade Goods Bonus Race gets +25% Billion Credits from Trade Goods project. 2
Trading goods
Trade Goods Bonus Race gets +100% Billion Credits from Trade Goods project. 6

Diplomacy[ | ]

Icon Name Description Cost
Diplomacy repulse treaties
Diplomacy: Repulsive Repulsive races can't make treaties with others. -6
Diplomacy repulse treaties
Diplomacy: Worsen Negotiations The race has lower chances of others accepting deals. -1
Diplomacy high acceptance
Diplomacy: Improved Negotiations The race has higher chances of others accepting deals. 2
Diplomacy repulse treaties
Diplomacy: Worsen Disposition Positive actions have softer diplomatic consequences and negative actions have more severe diplomatic consequences. -2
Diplomacy improved effects
Diplomacy: Improved Disposition Positive actions have better diplomatic consequences and negative actions have softer diplomatic consequences. 3

Command Points[ | ]

Icon Name Description Cost
Command points good
Command Points: +10% This race has 10% more Command Points than normal. 2
Command points great
Command Points: +20% This race has 20% more Command Points than normal. 4
Command points excellent
Command Points: +30% This race has 30% more Command Points than normal. 6

Starting Technology[ | ]

Icon Name Description Cost
Trait advanced government
Starting Technology: Government This race starts with Government technology researched. 1
Trait nuclear physics
Starting Technology: Physics This race starts with Physics technology researched. 1
Trait bio technology
Starting Technology: Biology This race starts with Biology technology researched. 1
Trait advanced engineering
Starting Technology: Engineering This race starts with Engineering technology researched. 1

Mind Control[ | ]

Icon Name Description Cost
Mindcontrol
Mind Control: Enabled This race can invade planets by using their mind-control ability. (Requires Battleship or larger ship) 1

Technology[ | ]

Icon Name Description Cost
Research maximum
Technology: Creative Get all Technologies when researching a Technology Node with optional applications. 4
Research low
Technology: Uncreative Get a random Technology when researching a Technology Node with optional applications. -2

Homeworld Specials[ | ]

Icon Name Description Cost
Home research artifacts
Homeworld Specials: Artifacts This race's homeworld has artifacts. They allow faster research. 1
Tolerant
Homeworld Specials: Low Gravity Homeworld This race's homeworld has low gravity. -3
Tolerant
Homeworld Specials: High Gravity Homeworld This race's homeworld has high gravity. 4

Special Abilities[ | ]

Special abilities are bundles of racial traits. A couple of them, Aquatic and Lucky, also have some special hardcoded effects.

Icon Name Description Cost
Diplomat
Diplomat Diplomats concentrate on trade with allies and espionage with enemies. They seek a balance between military buildup, ecological maintenance, and technological research. 3
Militarist
Militarist Militarists seek to develop weapons technology. They will build and maintain a large star fleet at all times. 3
Technologist
Technologist Technologists focus resources on research, seeking to advance their knowledge in all areas. 2
Ecologist
Ecologist Ecologists emphasize improving their environment. They concentrate research on planetology and construction, while prioritizing terraforming projects. 1
Industrialist
Industrialist Industrialists emphasize factory construction. They prioritize research into areas that will increase production capacity. 4
Expansionist
Expansionist Expansionists hunger for territory. They emphasize propulsion and planetology technology and the building of colony ships. They tend to be aggressive in border disputes over recently settled lands, but hold less interest in attacking well defended worlds. 3
Aquatic
Aquatic Coming from an oceanic home world, this race perspective is skewed by water. They find Terran and Ocean planets ideal for their development, and can even thrive in swamps. 2
Subterranean
Subterranean Living underground, this race ignores the light of the sun as much as possible and carves out its dark existence beneath the surface. 2
PlainsDweller
Plains Dweller This race lives to worship the sun and roam free in the open spaces of grass and fields, moving from one oasis to another to take in shade and water. 2
JungleCreature
Jungle Creature The thick wetness of jungles and swamps appeals to this race, as they flourish in the ripe dampness, rich with teeming life. 3
LavaBreather
Lava Breather This race doesn't breathe a mere gas concentration, but hot magma that would heat the surface of most planets. 2
Lithovore
Lithovore Consuming rocks instead of living organisms for sustenance, this race depends entirely on a planet's mineral richness to grow its population and sees little use for plant or animal life. 8
Cybernetic
Cybernetic Half creature, half machine, these cybernetic organisms require less food and work more efficiently, and also have a knack for taking care of artificial systems. 8
Charismatic
Charismatic This race is the used car dealer of the galaxy—smooth, suave, and transparently artificial, but you just can't help feeling like you should be their friend. 5
Repulsive
Repulsive No other race willingly works with you; your attitude, smell, appearance, and even your voice repel other creatures instinctively. -2
Creative
Creative The galactic nerds, this race is focused on mind over body, and spends all of their time studying and thinking; science and philosophy are goals in and of themselves. 10
Uncreative
Uncreative This race is a bit slow, not very interested in new technology or science, and would rather let someone else do the thinking so they can relax or play. -5
Lucky
Lucky These fortunate beings must have saved up a huge chunk of karma from a previous life. Negative events never seem to find them and, as luck would have it, they get attacked less frequently by outside forces. 4
Omniscience
Omniscient These know-it-alls’ innate abilities let them map the whole galaxy without leaving the comfort of their own home world. 6
Telepathic
Telepathic The mental abilities of this race have evolved above and beyond that of their galactic peers. Knowing the mind of others makes them shrewd negotiators, hard to deceive and allows them to take whole planets without resorting to violence. 6
Tolerant
Tolerant This race is quite hardy and can withstand the differences in gravity on many different worlds, no matter how strong or weak. 6
Traders
Traders Natural bargain-hunters, this race can haggle its way out of almost any situation, and frequently come away with a tidy profit. 5
Fantastictraders
Fantastic Traders Coming up from a society of fierce capitalism has prepared this race to excel in trade negotiations, squeezing value from every deal no one else would have even seen. 9
Transdimensional
Transdimensional An unusual genetic alteration allows this race to phase-shift through the space-time continuum, granting their ships extra speed in combat and while scurrying the galaxy. 4
Stealthy
Stealthy Invariably sneaky, always quiet, and patiently considering their next move, this race uses their stealth abilities for espionage and penetration of enemy defenses. 6
Shapeshifters
Shapeshifters By changing their form, this race can pretend to be almost anything they want, making it easier for them to recognize outsiders and infiltrate other societies. 3
Strategists
Strategists This race plans ahead in every way militarily possible, and is always on the brink of a war economy, intended to support operations in the field. 7
NaturalPilots
Natural Pilots Like birds, this race has an affinity for flight and their natural skills lend themselves to becoming top combat pilots, always pushing the limits of their ships. 8
Warlord
Warlord With their sights set on the domination of other races by physical force, this race trains extensively in ground combat and maintains a large reserve force of warriors. 4

Notes[ | ]

While most traits are approximately the same as the equivalent Battle at Antares race picks, there are several major differences.

  • Aquatic in MOO2 also affected the planets' base food per cell, in addition to maximum population. In MOOCTS, it only affects the maximum population, but leaves the base food per cell unchanged: an ocean planet is treated as a gaia planet for maximum population, but still produces just 2.5 food per farmer instead of 4 for a real gaia.
  • Government traits are not implemented. Although present to a limited extent in the game code, they have no in-game effets, as the implementation was never finished.
  • Repulsive in MOO2 limited diplomacy to declaring war, while also increasing assimilation time and making mercenary leaders more expensive and less likely to join you. In MOOCTS, it does not include the Diplomacy: Repulsive effect and instead merely makes diplomacy more difficult without blocking other treaties outright; though the older behavior can be modded back in easily.
  • Subterranean in MOO2 doubled the max population of any settled planet, while giving a minor bonus to ground defense. In MOOCTS it instead allows terraformation of dry planets into cavernous planets.
  • Tolerant in MOO2 allowed a race to ignore the effects of pollution. The trait with the same name in MOOCTS instead is about ignoring the effects of gravity.
  • Warlord was in MOO2 mostly a ship combat trait (command points from colonies without having to build a star base allowing for a larger fleet sooner, ship combat statistics improved through leveling up, etc.) while it is purely a ground combat trait in MOOCTS.



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