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Geo sea / Cortex / Economy first / OBSERVED BUILD

Standard geo sea

Cortex Geo sea build order · Supreme Isthmus

The usual Cove-side sea opening: bot lab for an early defensive bot, shipyard in the cove, then frigates, destroyers and submarines to contest the sea and defend the base.

Usually shipyard in the cove (98%)

#naval #defence · 1101 distinct matches · 105 players · 83% of Cortex Geo sea games · team won 52% of 1231 · Recently observed

HOW TO PLAY IT

Key timing: Shipyard by 3:16

  1. Grab 3 mex and open wind while laying down bot lab.
  2. Get bot lab up then push straight into shipyard.
  3. Finish shipyard, start pumping subs and frigates to contest sea.
  4. Add submarine, frigate and destroyer to hold sea lanes.
  5. Bring geo online and transition into mixed navy.

Phase by phase

TYPICAL OF ITS 1101 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 ~1:12, middle half 1:07–1:26

    Some games also: wind for allies (48%)

    By 0:55 in all: 3 mex · 3 wind

    The example game in this phase · 4 steps
    1. Mex ×3
    2. Wind ×4
    3. Energy storage
    4. Bot LabBot Labdone 1:28 · typical 1:12
  2. 2

    Bot Lab to Shipyard

    Economy
    • Metal Extractor1Mex
    • Wind Turbine2Wind
    Order
    1. ShipyardShipyard after 4 mex, 5 wind, 1 energy storagedone ~3:17, middle half 3:02–3:33
    Builders
    • Construction Bot3 Con bot
    • Graverobber2 Graverobber
    Army
    • Grunt1 Grunt

    Some games also: con turret (45%) · trasher (40%) · energy storage (33%) · wind for allies (31%)

    By 2:51 in all: 4 mex · 5 wind · 1 energy storage

    The example game in this phase · 16 steps
    1. Wind
    2. Construction BotCon bot
    3. Wind
    4. GraverobberGraverobber
    5. Wind ×2
    6. Construction BotCon bot
    7. Mex
    8. Wind
    9. GraverobberGraverobber
    10. Construction BotCon bot
    11. GraverobberGraverobber
    12. Mex
    13. TrasherTrasher
    14. Converter ×2
    15. Bot LabEat Bot Labreclaimed for its metal
    16. ShipyardShipyarddone 3:41 · typical 3:17
  3. 3

    Shipyard to 5:00

    Economy
    • Metal Extractor4Mex
    Order
    1. Bot LabEat Bot Lab
    Builders
    • Construction Ship1 Con ship
    Army
    • Riptide2 Frigate
    • Orca1 Submarine
    Other
    • Radar Tower1 Radar Tower

    Some games also: missile corvette (50%) · Guard (49%) · wind (48%) · destroyer (45%) · gunboat (39%)

    By 5:00 in all: 8 mex · 6 wind · 1 energy storage · 1 con turret

    The example game in this phase · 22 steps
    1. Converter
    2. Mex
    3. Construction ShipCon ship
    4. HerringMissile corvette
    5. Converter
    6. HerringMissile corvette
    7. Radar TowerRadar Tower
    8. Mex
    9. HerringMissile corvette
    10. Converter
    11. OrcaSubmarinedone 4:31 · typical 4:17
    12. Dragon's TeethDragon's Teeth ×2
    13. Mex
    14. Converter
    15. Dragon's TeethDragon's Teeth
    16. OrcaSubmarine
    17. Dragon's TeethDragon's Teeth ×4
    18. Wind
    19. Dragon's TeethDragon's Teeth
    20. RiptideFrigatedone 5:06 · typical 4:37
    21. Dragon's TeethDragon's Teeth ×2
    22. Wind
  4. 4

    5:00 to 10:00

    Economy
    • Metal Extractor2Mex
    • Wind Turbine8Wind
    • Energy Converter1Converter
    Builders
    • Construction Turret1 Con turret
    • Death Cavalry2 Death Cavalry
    • Construction Ship1 Con ship
    Army
    • Guard2 Guard
    • Riptide5 Frigate
    • Oppressor2 Destroyer
    Other
    • Naval Radar / Sonar Tower2 Naval Radar / Sonar Tower

    Some games also: geo (47%) · Thistle (40%) · submarine (34%)

    By 10:00 in all: 10 mex · 15 wind · 1 geo · 4 converter · 1 energy storage · 2 con turret

    The example game in this phase · 84 steps
    1. RiptideFrigate
    2. Dragon's TeethDragon's Teeth
    3. Wind
    4. Mex
    5. Wind
    6. Death CavalryDeath Cavalry
    7. Dragon's TeethDragon's Teeth
    8. Wind
    9. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    10. Dragon's TeethDragon's Teeth
    11. Wind
    12. OppressorDestroyerdone 6:27 · typical 5:52
    13. Wind ×2
    14. Dragon's TeethDragon's Teeth ×2
    15. RiptideFrigate
    16. Dragon's TeethDragon's Teeth ×2
    17. Construction ShipCon ship
    18. Dragon's TeethDragon's Teeth ×2
    19. RiptideFrigate
    20. Dragon's TeethDragon's Teeth ×3
    21. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    22. RiptideFrigate
    23. Dragon's TeethDragon's Teeth ×2
    24. OppressorDestroyer
    25. Dragon's TeethDragon's Teeth
    26. Geothermal PowerplantGeodone 9:07 · typical 8:00
    27. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    28. HerringMissile corvette
    29. Dragon's TeethDragon's Teeth
    30. Advanced Metal ExtractorT2 mexdone 9:43 · typical 9:22
    31. Death CavalryDeath Cavalry
    32. RiptideFrigate
    33. OppressorDestroyer
    34. Naval Construction Turret
    35. Dragon's TeethDragon's Teeth ×5
    36. Advanced Metal ExtractorT2 mex
    37. Dragon's TeethDragon's Teeth ×2
    38. HerringMissile corvette
    39. Dragon's TeethDragon's Teeth ×3
    40. HerringMissile corvette
    41. Dragon's TeethDragon's Teeth ×3
    42. HerringMissile corvette
    43. Dragon's TeethDragon's Teeth ×2
    44. HerringMissile corvette
    45. OrcaSubmarine
    46. Advanced Metal ExtractorT2 mex
    47. Mex
    48. RiptideFrigate ×2
    49. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    50. OppressorDestroyer
    51. UrchinUrchin
    52. Naval Construction Turret
    53. UrchinUrchin
    54. Construction ShipCon ship
    55. Advanced Metal ExtractorT2 mex
    56. Naval Construction Turret
    57. Construction ShipCon ship
    58. Naval Construction Turret
    59. Advanced ShipyardAdvanced Shipyarddone 14:50
    60. Death CavalryDeath Cavalry
    61. UrchinUrchin ×2
    62. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    63. UrchinUrchin
    64. Naval Energy Storage ×2
    65. Death CavalryDeath Cavalry
    66. Naval Energy Storage ×2
    67. Mex
    68. Naval Energy Storage ×3
    69. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    70. Naval Construction Turret
    71. Advanced Metal ExtractorT2 mex
    72. Naval Construction Turret
    73. Death CavalryDeath Cavalry
    74. Naval Construction Turret
    75. UrchinUrchin
    76. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    77. Tidal ×2
    78. Death CavalryDeath Cavalry
    79. Tidal
    80. UrchinUrchin
    81. Advanced Construction SubAdvanced Construction Sub
    82. Tidal
    83. UrchinUrchin
    84. Advanced Metal ExtractorT2 mex

Counts are medians over the build's games: half of them build more, half fewer. The example game is Godmother13's (38 OS, 09/10/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine2 Wind to Airfirst at 1:48 · in 69% of games

You get

  • Finch1 Finch from Airfirst at 1:51 · in 83% of games
  • Hercules1 Light transport from Airfirst at 2:00 · in 74% of games
  • Advanced Construction Bot1 T2 con bot from Techfirst at 7:44 · in 89% of games

How it plays out

Typical game of this build, running totals by minute

Metal produced

010k20k30k
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

1231 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0039700
2:0092800
3:00156600
4:002894051
5:00410315052
6:005454465231
7:006936931545
8:0086071586891
9:001047524951344
10:001263736252026
11:001520048242823
12:001811162243694
13:002141373644421
14:002501686615334
15:002887297726351
WHAT THE NUMBERS SAY

Matches the role's own norm almost exactly, sitting at the typical 52% team win rate for Geo sea.

  • + Reliable timing: bot lab by 1:12 and shipyard by 3:16 in the middle half of games.
  • − Own metal lost climbs to 6854 by 15:00, showing sea fights stay costly.
THE EXAMPLE YOU ARE READING

Godmother13

37.8 OS · 09/10/2026

Open source match ↗

2 received units · includes a constructor
92 metal received · 11083 energy received

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

Typical milestones

Bot Lab1:12Middle 50%: 1:07–1:26 · n=1210
Shipyard3:17Middle 50%: 3:02–3:33 · n=1223
Orca4:17Middle 50%: 3:51–4:59 · n=848
Riptide4:37Middle 50%: 4:08–5:21 · n=1196
Oppressor5:52Middle 50%: 5:08–6:36 · n=1118
Geothermal Powerplant8:00Middle 50%: 7:02–9:04 · n=732
Advanced Metal Extractor9:22Middle 50%: 8:45–10:10 · n=1064

Played most by

sirniho125games of this buildSHOGVN100games of this buildOptimusprimenutt86games of this buildPRO_Rerory52games of this buildTheSituation43games of this build
Standard geo sea · Cortex Geo sea build order · BAR Build Atlas