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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 ×2
    2. Wind ×2
    3. Bot LabBot Labdone 0:48 · 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 · 32 steps
    1. Wind
    2. GraverobberGraverobber
    3. Wind ×3
    4. Construction BotCon bot
    5. Solar
    6. GraverobberGraverobberfor Beach sea
    7. GraverobberGraverobber
    8. Mex ×2
    9. Energy storage
    10. GraverobberGraverobber
    11. Wind
    12. TrasherTrasher
    13. Geothermal PowerplantGeodone 2:56 · typical 3:21
    14. Con turret ×3
    15. Converter
    16. Aircraft PlantAircraft Plantdone 3:53
    17. Converter
    18. ShurikenShurikenfor unknown
    19. Converter
    20. ShurikenShurikenfor unknown
    21. Converter
    22. ShurikenShurikenfor unknown
    23. Converter
    24. ShurikenShurikenfor unknown
    25. Converter
    26. ShurikenShurikenfor unknown
    27. HerculesLight transport
    28. Converter
    29. ValiantValiantfor unknown
    30. Converter
    31. ValiantValiantfor unknown
    32. ShurikenShuriken ×2for unknown
  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 · 6 steps
    1. Con turret
    2. Advanced Metal ExtractorT2 mex ×4done 5:41 · typical 5:37
    3. Mexfor Front
    4. Advanced Geothermal PowerplantAdvanced Geothermal Powerplantdone 7:18 · typical 7:08
    5. Con turret ×2
    6. Advanced Bot LabAdvanced Bot Labdone 8:01 · typical 7:51
  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 · 68 steps
    1. Converter ×2
    2. JunoJuno
    3. Advanced Construction BotT2 con botfor Suicide front
    4. Converter ×3
    5. DeceiverJammer bot
    6. Converter
    7. AugurRadar bot
    8. SheldonSheldondone 8:42 · typical 8:43
    9. Wind
    10. SheldonSheldon
    11. Wind
    12. SheldonSheldon
    13. Wind
    14. SheldonSheldon
    15. Wind ×3
    16. SheldonSheldon
    17. Wind ×2
    18. SheldonSheldon
    19. Wind ×3
    20. FiendFiend
    21. Wind
    22. FiendFiend
    23. SheldonSheldon
    24. Wind ×2
    25. SheldonSheldon
    26. Wind ×2
    27. SheldonSheldon
    28. Wind ×3
    29. SkuttleCrawling bombdone 10:24
    30. Wind ×5
    31. ArbiterArbiterdone 10:39
    32. Wind ×4
    33. ArbiterArbiter
    34. Wind ×3
    35. Converter
    36. ArbiterArbiter
    37. Wind
    38. Converter
    39. ArbiterArbiter
    40. Converter
    41. Wind
    42. SheldonSheldon
    43. Converter ×2
    44. SheldonSheldon
    45. Converter
    46. TwitcherTwitcher
    47. Wind
    48. Converter
    49. SumoSumodone 11:51
    50. Converter
    51. Wind
    52. SumoSumo
    53. Converter
    54. Wind
    55. Converter
    56. SumoSumo
    57. Converter
    58. SumoSumo ×3
    59. Advanced Radar TowerAdvanced Radar Tower
    60. SumoSumo ×2
    61. PersecutorPersecutordone 14:27
    62. Advanced Construction BotT2 con bot
    63. Metal storage
    64. NemesisNemesis
    65. Con turret ×2
    66. PrevailerPrevailernot finished by 15:00
    67. Bot LabBot Labdone 14:56
    68. GruntGrunt

Counts are medians over the build's games: half of them build more, half fewer. The example game is DukeofStars's (54 OS, 30/09/2026); 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

DukeofStars

53.6 OS · 30/09/2026

Open source match ↗

3 received units · includes a constructor
301 metal received · 71229 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