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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 · 1099 distinct matches · 104 players · 83% of Cortex Geo sea games · team won 52% of 1229 · 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 1099 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 · 3 steps
    1. Mex ×3
    2. Wind ×4
    3. Bot LabBot Labdone 1:12 · 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 · 5 steps
    1. Construction BotCon bot
    2. GraverobberGraverobber ×2
    3. Construction BotCon bot
    4. Mex
    5. ShipyardShipyarddone 2:29 · 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 · 26 steps
    1. Construction BotCon bot
    2. Construction ShipCon ship
    3. Energy storage
    4. Construction ShipCon ship
    5. Mex ×2
    6. HerringMissile corvette
    7. OrcaSubmarinedone 3:35 · typical 4:17
    8. Mex
    9. GuardGuard
    10. HerringMissile corvette
    11. Mex
    12. Bot LabEat Bot Labreclaimed for its metal
    13. HerringMissile corvette ×2
    14. GuardGuard
    15. Wind
    16. Mex
    17. HerringMissile corvette
    18. Wind
    19. RiptideFrigatedone 4:40 · typical 4:37
    20. Wind
    21. Radar TowerRadar Tower
    22. Wind
    23. GuardGuard
    24. RiptideFrigate
    25. Converter
    26. Naval Construction Turret
  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 · 66 steps
    1. Con turret
    2. ThistleThistle
    3. OppressorDestroyerdone 6:21 · typical 5:52
    4. Wind ×2
    5. Converter
    6. Wind
    7. Death CavalryDeath Cavalry
    8. Wind ×3
    9. Mex
    10. Wind
    11. RiptideFrigate
    12. Converter
    13. Mex
    14. Wind ×2
    15. RiptideFrigate
    16. Wind ×2
    17. Converter
    18. RiptideFrigate
    19. Wind
    20. RiptideFrigate
    21. ThistleThistle
    22. RiptideFrigate
    23. Radar TowerRadar Tower
    24. Construction ShipCon ship
    25. Advanced Metal ExtractorT2 mexdone 8:45 · typical 9:22
    26. OppressorDestroyer
    27. Mex
    28. Advanced Metal ExtractorT2 mex
    29. Death CavalryDeath Cavalry
    30. Naval Construction Turret
    31. Advanced Metal ExtractorT2 mex
    32. Naval Construction Turret
    33. Death CavalryDeath Cavalry
    34. Wind
    35. Naval Construction Turret
    36. Wind ×3
    37. Converter
    38. Wind ×3
    39. Advanced Metal ExtractorT2 mex
    40. Wind ×12
    41. Con turret
    42. Wind ×2
    43. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    44. Wind ×3
    45. Advanced Metal ExtractorT2 mex
    46. HerringMissile corvette
    47. Wind ×5
    48. Converter
    49. Wind ×4
    50. Advanced Radar TowerAdvanced Radar Tower
    51. Converter
    52. Bot LabBot Labdone 13:21
    53. Pit BullPit Bull
    54. Wind ×2
    55. Construction BotCon bot
    56. Wind
    57. Construction BotCon bot
    58. Wind
    59. Advanced solar
    60. Construction BotCon bot
    61. Converter
    62. Wind
    63. Advanced Metal ExtractorT2 mex
    64. Con turret
    65. Wind
    66. Advanced solar

Counts are medians over the build's games: half of them build more, half fewer. The example game is _X_'s (42 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

1229 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0039700
2:0092800
3:00156600
4:002895051
5:00410315052
6:005454461231
7:006936931545
8:0086071580891
9:001047525011344
10:001263436252031
11:001520048192830
12:001811162233702
13:002141373574441
14:002501686485343
15:002887297726354
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

_X_

41.7 OS · 09/10/2026

Open source match ↗

1 received units · includes a constructor
341 metal received · 32436 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=1209
Shipyard3:17Middle 50%: 3:02–3:33 · n=1221
Orca4:17Middle 50%: 3:51–4:59 · n=847
Riptide4:37Middle 50%: 4:08–5:21 · n=1194
Oppressor5:52Middle 50%: 5:08–6:36 · n=1116
Geothermal Powerplant8:00Middle 50%: 7:02–9:03 · n=730
Advanced Metal Extractor9:22Middle 50%: 8:45–10:10 · n=1062

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