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Geo / Cortex / Economy first / OBSERVED BUILD

Standard geo

Cortex Geo build order · Supreme Isthmus

The role's baseline: fast bot lab and geothermal into T2 constructor and advanced bot lab, blowing the commander for T2 tech and bringing Sheldons or Arbiters/Sumos to front while supplying teammates with constructors.

Usually blows up the commander for T2 (71%)

#eco #t2 #team support · 247 distinct matches · 91 players · 32% of Cortex Geo games · team won 45% of 253 · Recently observed

THE CATCH, AND WHAT COMES WITH IT
  • ArbiterArbiter in 42%18% of all Geo games by then
  • SumoSumo in 40%15% of all Geo games by then

Then transitions into Sheldon (25% of army), Sumo (9% of army), Arbiter (8% of army).

HOW TO PLAY IT

Key timing: T2 bot lab by 8:03

  1. Open 3 mex into early Bot Lab and solar.
  2. Bring geothermal online fast to fund the tech rush.
  3. Finish Advanced Bot Lab to unlock T2 bot units.
  4. Push Sheldon (and Arbiter, Sumo) to front as the first T2 units.
  5. Switch into T2 construction bots to supply allies with T2 cons.

Phase by phase

TYPICAL OF ITS 247 GAMES · AGAINST STANDARD GEO
  1. 1
  2. 2
  3. 3
  4. 4
PLAY THE OPENING

Follow the example game's first 6:00 step by step: what to build now, what comes next, and where it goes. At 1× it keeps pace with your own game.

  1. 1

    Up to the Bot Lab

    Economy
    • Metal Extractor3Mex
    • Wind Turbine4Wind
    Order
    1. Bot LabBot Lab after 3 mex, 4 winddone ~1:13, middle half 0:57–1:23

    By 0:56 in all: 3 mex · 4 wind

    The example game in this phase · 3 steps
    1. Mex ×2
    2. Wind ×4
    3. Bot LabBot Labdone 0:57 · typical 1:13
  2. 2

    Bot Lab to 5:00

    Economy
    • Metal Extractor1Mex
    • Wind Turbine4Wind−4 vs standard
    • Energy Converter8Converter
    • Energy Storage1Energy storage
    Order
    1. Geothermal PowerplantGeo after 4 mex, 6 wind, 1 energy storage
    2. Bot LabEat Bot Lab
    Builders
    • Construction Turret5 Con turret +3 vs standard
    • Graverobber4 Graverobber
    • Construction Bot2 Con bot
    • Construction Bot1 Con bot for allies
    • Graverobber1 Graverobber for allies

    By 5:00 in all: 4 mex · 7 wind (standard 10) · 1 geo · 8 converter · 1 energy storage · 5 con turret (standard 2)

    The example game in this phase · 36 steps
    1. Wind
    2. GraverobberGraverobber
    3. Construction BotCon bot
    4. GraverobberGraverobber
    5. Mex ×2
    6. GraverobberGraverobber
    7. Construction BotCon botfor Beach sea
    8. GraverobberGraverobber
    9. Geothermal PowerplantGeodone 3:02 · typical 3:25
    10. GraverobberGraverobberfor Beach sea
    11. Wind
    12. Construction BotCon bot
    13. Con turret
    14. Construction BotCon bot
    15. Con turret
    16. Converter
    17. Con turret
    18. Bot LabEat Bot Labreclaimed for its metal
    19. Converter
    20. Con turret
    21. Converter ×3
    22. Wind
    23. Converter ×2
    24. Wind ×3
    25. Radar TowerRadar Tower
    26. Converter
    27. Wind ×3
    28. Converter
    29. Wind ×2
    30. ThistleThistle
    31. Wind ×2
    32. Converter
    33. Wind
    34. Converter
    35. Wind
    36. Converter ×3
  3. 3

    5:00 to Advanced Bot Lab

    Economy
    • Wind Turbine2Wind−2 vs standard
    • Energy Converter2Converter
    Order
    1. Advanced Geothermal PowerplantAdvanced Geothermal Powerplant after 9 wind, 12 converter, 6 con turretin 61% of games
    2. Advanced Bot LabAdvanced Bot Lab after 13 wind, 12 converter, 6 con turretdone ~7:55, middle half 7:31–8:28

    Some games also: con turret (50%)

    By 7:15 in all: 4 mex · 12 wind · 1 geo · 1 Advanced Geothermal Powerplant · 12 converter (standard 8) · 1 energy storage

    The example game in this phase · 19 steps
    1. Converter
    2. Aircraft PlantAircraft Plantdone 5:15
    3. Wind
    4. HerculesLight transport
    5. Wind
    6. ValiantValiant ×2
    7. Wind
    8. ShurikenShuriken
    9. Advanced Metal ExtractorT2 mexdone 5:59 · typical 5:38
    10. ShurikenShuriken
    11. Advanced Metal ExtractorT2 mex
    12. ShurikenShuriken
    13. Bot LabBot Labdone 6:25
    14. PrudePrudedone 7:23
    15. Aircraft PlantEat Aircraft Plantreclaimed for its metal
    16. Advanced Metal ExtractorT2 mex
    17. Construction BotCon bot ×3
    18. PawnPawn ×7
    19. Advanced Bot LabAdvanced Bot Labdone 8:08 · typical 7:55
  4. 4

    Advanced Bot Lab to 10:00

    Economy
    • Energy Converter3Converter+3 vs standard
    Army
    • Sheldon3 Sheldon +3 vs standard
    • Augur1 Radar bot

    Some games also: jammer bot (49%) · T2 con bot for allies (47%) · wind (39%) · con turret (36%) · crawling bomb (34%)

    By 10:00 in all: 4 mex · 17 wind · 1 geo · 1 Advanced Geothermal Powerplant · 16 converter (standard 10) · 1 energy storage

    The example game in this phase · 56 steps
    1. PawnPawn ×2
    2. Bot LabEat Bot Labreclaimed for its metal
    3. SheldonSheldon ×2done 8:15 · typical 8:42
    4. Advanced Construction BotT2 con botfor Front
    5. SheldonSheldon ×2
    6. Advanced Construction BotT2 con bot
    7. SheldonSheldon ×3
    8. Advanced Metal ExtractorT2 mexdone 9:43
    9. Converter
    10. SheldonSheldon
    11. Converter
    12. SpectreSpectre
    13. Converter
    14. SpectreSpectre
    15. Converter
    16. AugurRadar bot
    17. DeceiverJammer bot
    18. ArbiterArbiter ×2done 10:18
    19. Converter
    20. Energy storage
    21. ArbiterArbiter
    22. Converter
    23. ArbiterArbiter
    24. Converter
    25. ArbiterArbiter
    26. Converter
    27. ArbiterArbiter ×3
    28. TwitcherTwitcher ×2
    29. Wind ×4
    30. PrevailerPrevailernot finished by 15:00
    31. Wind
    32. MammothMammothdone 13:57
    33. Wind ×9
    34. Con turret
    35. Wind
    36. Con turret
    37. Wind ×2
    38. JunoJuno
    39. Con turret
    40. Wind ×2
    41. DeceiverJammer bot
    42. GruntGrunt
    43. Wind ×2
    44. AugurRadar bot
    45. Wind
    46. MammothMammoth
    47. GruntGrunt
    48. Wind ×3
    49. GruntGrunt
    50. Wind ×2
    51. GruntGrunt
    52. Wind ×2
    53. GruntGrunt
    54. Wind ×3
    55. GruntGrunt
    56. Wind

Counts are medians over the build's games: half of them build more, half fewer. The example game is RockFish's (35 OS, 13/10/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Graverobber1 Graverobber to Beach seafirst at 2:20 · in 79% of games
  • Construction Bot1 Con bot to Beach seafirst at 2:36 · in 88% of games
  • Advanced Construction Bot1 T2 con bot to Suicide front or Frontfirst at 8:39 · in 55% of games

You get

  • Advanced Construction Bot1 T2 con bot from Techfirst at 4:55 · in 93% of games

How it plays out

Typical game of this build, running totals by minute

Metal produced

020k40k
0:005:0010:0015:00

metal

Enemy metal destroyed

05k10k
0:005:0010:0015:00

metal

Own metal lost

02k4k6k
0:005:0010:0015:00

metal

253 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0034200
2:0087200
3:00150000
4:00266400
5:00369400
6:00558600
7:00789300
8:001096400
9:00138802150
10:0016789296190
11:00196141104750
12:002268622361485
13:002558940442397
14:002842358154283
15:003139578815630
WHAT THE NUMBERS SAY

Standard geo play wins less than half its games but builds a big eco lead, reaching nearly 31.5k metal production by 15:00.

  • + Metal production hits 16919 by 10:00, well ahead of most roles.
  • + Own metal lost stays near zero (260) by 10:00, a very safe tech rush.
  • − Team wins under half of games (46%).
  • − Enemy metal destroyed stays low (423) by 10:00, showing slow early impact.
THE EXAMPLE YOU ARE READING

RockFish

35.5 OS · 13/10/2026

Open source match ↗

1 received units · includes a constructor
814 metal received · 46926 energy received

Allied construction assistance is unknown. Timings are observations, not a promise of solo reproducibility.

Typical milestones

Bot Lab1:13Middle 50%: 0:57–1:23 · n=252
Geothermal Powerplant3:25Middle 50%: 3:09–3:44 · n=252
Advanced Metal Extractor5:38Middle 50%: 5:20–6:04 · n=234
Advanced Geothermal Powerplant7:16Middle 50%: 6:53–7:46 · n=170
Advanced Bot Lab7:55Middle 50%: 7:31–8:28 · n=199
Sheldon8:42Middle 50%: 8:04–9:17 · n=169

Played most by

_Hawkey_20games of this buildzeus_on_god13games of this buildRogShotz12games of this buildGodmother139games of this buildViltrum9games of this build