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Geo / Cortex / Economy first / OBSERVED BUILD

Standard geo

Cortex Geo build order · Supreme Isthmus

The role's standard eco-first play: Bot Lab then Geothermal into Advanced Metal Extractor and Advanced Geothermal, commander usually blown for T2, into Advanced Bot Lab and Sheldon bot artillery to front.

Usually blows up the commander for T2 (67%)

#eco #t2 #artillery · 152 distinct matches · 46 players · 35% of Cortex Geo games · team won 47% of 153 · Recently observed

THE CATCH, AND WHAT COMES WITH IT
  • SheldonSheldon in 43%20% of all Geo games by then

Then transitions into Sheldon (22% of army), Sumo (9% of army).

HOW TO PLAY IT

Key timing: T2 constructor by 5:01

  1. Take 3 mex, then chain wind and a bot lab by 1:13.
  2. Get geothermal up for the energy to push tech.
  3. Hit T2 constructor and start advanced mex and advanced geo.
  4. Bring up the T2 lab and start pumping Sheldon to front.
  5. Pay allies with cons and rez bots while supplying Sheldon and Arbiter.

Phase by phase

TYPICAL OF ITS 152 GAMES
  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 Turbine3Wind
    Order
    1. Bot LabBot Lab after 3 mex, 3 winddone ~1:13, middle half 0:57–1:21

    By 0:57 in all: 3 mex · 3 wind

    The example game in this phase · 3 steps
    1. Mex ×3
    2. Wind ×6
    3. Bot LabBot Labdone 1:47 · typical 1:13
  2. 2

    Bot Lab to 5:00

    Economy
    • Metal Extractor1Mex
    • Wind Turbine3Wind
    • Energy Converter8Converter
    • Energy Storage1Energy storage
    Order
    1. Geothermal PowerplantGeo after 4 mex, 6 wind, 1 energy storage
    Builders
    • Construction Turret5 Con turret
    • 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 · 1 geo · 8 converter · 1 energy storage · 5 con turret

    The example game in this phase · 35 steps
    1. Energy storage
    2. Wind
    3. GraverobberGraverobber ×2
    4. Wind
    5. Construction BotCon bot
    6. Wind
    7. GraverobberGraverobber
    8. Wind
    9. Con turret
    10. Construction BotCon bot
    11. GraverobberGraverobber
    12. Geothermal PowerplantGeodone 3:23 · typical 3:21
    13. Mex
    14. Con turret ×3
    15. Energy storage
    16. Wind
    17. Converter
    18. Wind ×2
    19. Converter ×3
    20. Wind
    21. Converter ×3
    22. Wind
    23. Converter
    24. Wind
    25. Converter
    26. Wind
    27. Converter
    28. Wind
    29. Converter ×2
    30. Wind
    31. Converter ×2
    32. Wind
    33. Converter
    34. Con turret
    35. Wind
  3. 3

    5:00 to Advanced Bot Lab

    Economy
    • Wind Turbine2Wind
    • Energy Converter2Converter
    Order
    1. Advanced Geothermal PowerplantAdvanced Geothermal Powerplant after 9 wind, 12 converter, 6 con turretin 64% of games
    2. Advanced Bot LabAdvanced Bot Lab after 12 wind, 14 converter, 7 con turretdone ~7:51, middle half 7:28–8:25
    Builders
    • Construction Turret1 Con turret

    By 7:16 in all: 4 mex · 11 wind · 1 geo · 1 Advanced Geothermal Powerplant · 12 converter · 1 energy storage

    The example game in this phase · 12 steps
    1. Converter
    2. Wind ×6
    3. Advanced Metal ExtractorT2 mex ×3done 5:44 · typical 5:37
    4. Wind
    5. Advanced Metal ExtractorT2 mex
    6. Energy storagefor Suicide front
    7. Wind ×4
    8. Advanced Geothermal PowerplantAdvanced Geothermal Powerplantdone 7:32 · typical 7:08
    9. Con turret
    10. Wind
    11. Con turret
    12. Radar TowerRadar Tower
  4. 4

    Advanced Bot Lab to 10:00

    Economy
    • Energy Converter3Converter

    Some games also: Sheldon (47%) · radar bot (46%) · T2 con bot for allies (46%) · jammer bot (44%) · con turret (42%)

    By 10:00 in all: 4 mex · 15 wind · 1 geo · 1 Advanced Geothermal Powerplant · 18 converter · 1 energy storage

    The example game in this phase · 79 steps
    1. Advanced Bot LabAdvanced Bot Labdone 8:15
    2. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    3. Converter
    4. BeholderBeholder
    5. Converter ×2
    6. Dragon's TeethDragon's Teeth
    7. Converter
    8. BeholderBeholder
    9. Dragon's TeethDragon's Teeth
    10. SharpshooterSniper botfor Suicide frontdone 8:32
    11. Dragon's TeethDragon's Teeth
    12. Converter
    13. Dragon's TeethDragon's Teeth
    14. Converter ×2
    15. Dragon's TeethDragon's Teeth
    16. Converter
    17. Dragon's TeethDragon's Teeth ×2
    18. SharpshooterSniper botfor Suicide front
    19. Dragon's TeethDragon's Teeth
    20. BeholderBeholder
    21. Converter
    22. Dragon's TeethDragon's Teeth ×2
    23. CompassRadar botfor Suicide front
    24. Dragon's TeethDragon's Teeth
    25. Converter
    26. SmugglerJammer botfor Suicide front
    27. Dragon's TeethDragon's Teeth
    28. Converter
    29. Dragon's TeethDragon's Teeth ×2
    30. Converter
    31. Dragon's TeethDragon's Teeth
    32. Converter ×2
    33. CompassRadar bot
    34. Converter
    35. SmugglerJammer bot
    36. Converter
    37. SharpshooterSniper bot
    38. CastroCastro
    39. Converter
    40. JellyfishJellyfish
    41. Con turret ×3
    42. SharpshooterSniper bot
    43. Metal storage
    44. JellyfishJellyfish
    45. Fusion ReactorFusiondone 11:27
    46. Metal storage
    47. Con turret ×2
    48. JellyfishJellyfish
    49. PlatypusPlatypus ×3
    50. ShipyardShipyarddone 11:26
    51. PlatypusPlatypus
    52. Advanced Construction BotT2 con botfor Front
    53. Fusion ReactorFusion
    54. Construction ShipCon ship
    55. Advanced Construction BotT2 con bot
    56. OppressorDestroyer ×2done 11:58
    57. PlatypusPlatypus
    58. HerringMissile corvette
    59. OppressorDestroyer ×2
    60. Death CavalryDeath Cavalry
    61. Naval Construction Turret
    62. PrudePrudedone 13:23
    63. Death CavalryDeath Cavalry
    64. Naval Construction Turret ×2
    65. T2 converter
    66. Fusion ReactorFusion
    67. SupporterGunboat ×3
    68. ShipyardShipyarddone 13:44
    69. SupporterGunboat ×3
    70. Death CavalryDeath Cavalry
    71. SupporterGunboat ×7
    72. T2 converter
    73. SupporterGunboat ×21
    74. Death CavalryDeath Cavalry
    75. SupporterGunboat
    76. Death CavalryDeath Cavalry ×3
    77. Fusion ReactorFusion
    78. Death CavalryDeath Cavalry
    79. SupporterGunboat ×4

Counts are medians over the build's games: half of them build more, half fewer. The example game is [UNN]Prime's (37 OS, 15/08/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Graverobber1 Graverobber to Beach sea or Frontfirst at 2:25 · in 76% of games
  • Construction Bot1 Con bot to Beach sea or Pondfirst at 2:44 · in 86% of games
  • Advanced Construction Bot1 T2 con bot to Suicide front or Frontfirst at 8:28 · in 53% of games

You get

  • Advanced Construction Bot1 T2 con bot from Techfirst at 4:51 · in 92% 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

02.5k5k7.5k
0:005:0010:0015:00

metal

153 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0033700
2:0086800
3:00150000
4:00266200
5:00375600
6:00569200
7:00796900
8:001104400
9:001407343120
10:0016930375259
11:00198531255720
12:002268924991642
13:002560543652640
14:002849759294359
15:003174777486280
WHAT THE NUMBERS SAY

Standard geo won under half its games while destroying far more metal than it lost by 15:00, showing the T2 push pays off when it lands.

  • + Enemy metal destroyed hits 7969 by 15:00 versus only 6290 lost.
  • + Advanced geothermal reached in 67% of games, funding a fast T2 lab.
  • − Team win rate sits at only 45%, below an even split.
  • − First Sheldon only appears by 9:06 in 31% of games, so T2 units often arrive late.
THE EXAMPLE YOU ARE READING

[UNN]Prime

36.9 OS · 15/08/2026

Open source match ↗

3 received units · includes a constructor
208 metal received · 203548 energy received

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

Typical milestones

Bot Lab1:13Middle 50%: 0:57–1:21 · n=153
Geothermal Powerplant3:21Middle 50%: 3:07–3:37 · n=153
Advanced Metal Extractor5:37Middle 50%: 5:18–5:58 · n=139
Advanced Geothermal Powerplant7:08Middle 50%: 6:44–7:34 · n=103
Advanced Bot Lab7:51Middle 50%: 7:28–8:25 · n=113
Sheldon8:43Middle 50%: 8:05–9:20 · n=91

Played most by

_Hawkey_13games of this buildRogShotz12games of this buildzeus_on_god12games of this buildAmrissa9games of this buildGodmother139games of this build