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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 · 1098 distinct matches · 104 players · 83% of Cortex Geo sea games · team won 52% of 1227 · 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 1098 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 ×3
    3. Bot LabBot Labdone 1:02 · 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 · 14 steps
    1. Windfor Air
    2. GraverobberGraverobber
    3. Windfor Air
    4. Construction BotCon bot ×2
    5. Wind
    6. GraverobberGraverobber
    7. Mex
    8. GruntGrunt
    9. Energy storage
    10. GruntGrunt
    11. Construction BotCon bot
    12. Mex
    13. GraverobberGraverobber
    14. ShipyardShipyarddone 3:08 · 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 (49%) · 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 · 23 steps
    1. Converter
    2. Mex
    3. HerringMissile corvette
    4. Radar TowerRadar Tower
    5. SupporterGunboat
    6. HerringMissile corvette
    7. Bot LabEat Bot Labreclaimed for its metal
    8. GuardGuard
    9. Construction ShipCon ship
    10. Converter
    11. SupporterGunboat ×2
    12. Mex
    13. RiptideFrigatedone 3:59 · typical 4:37
    14. GuardGuard
    15. HerringMissile corvette
    16. RiptideFrigate
    17. Converter
    18. ThistleThistle
    19. Mex
    20. HerringMissile corvette
    21. RiptideFrigate
    22. Converter
    23. OppressorDestroyerdone 5:44 · typical 5:52
  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 · 102 steps
    1. Wind
    2. Geothermal PowerplantGeodone 8:25 · typical 8:00
    3. Wind
    4. RiptideFrigate
    5. Wind
    6. HerringMissile corvette
    7. Mex
    8. Wind
    9. RiptideFrigate
    10. OppressorDestroyer
    11. Mex
    12. Wind
    13. RiptideFrigate
    14. Wind
    15. Radar TowerRadar Tower
    16. RiptideFrigate
    17. Wind
    18. OppressorDestroyer
    19. ThistleThistle
    20. Wind
    21. GuardGuard
    22. Advanced Metal ExtractorT2 mexdone 9:54 · typical 9:22
    23. Wind
    24. HerringMissile corvette
    25. RiptideFrigate
    26. Wind
    27. Converter
    28. RiptideFrigate
    29. Wind
    30. OppressorDestroyer
    31. Converter
    32. Wind
    33. Advanced Metal ExtractorT2 mex
    34. Death CavalryDeath Cavalry
    35. Wind
    36. Converter
    37. HerringMissile corvette
    38. Wind
    39. RiptideFrigate
    40. Advanced Metal ExtractorT2 mex
    41. RiptideFrigate
    42. Converter
    43. OppressorDestroyer
    44. Construction ShipCon ship ×2
    45. Mex
    46. Construction ShipCon ship
    47. Advanced Metal ExtractorT2 mex
    48. Construction ShipCon ship
    49. Death CavalryDeath Cavalry
    50. Wind
    51. HerringMissile corvette
    52. RiptideFrigate ×2
    53. Wind
    54. OppressorDestroyer
    55. Death CavalryDeath Cavalry
    56. Naval Construction Turret
    57. Advanced Metal ExtractorT2 mex
    58. Wind
    59. Tidal
    60. HerringMissile corvette
    61. Naval Construction Turret
    62. RiptideFrigate
    63. Wind
    64. Tidal
    65. RiptideFrigate
    66. Naval Construction Turret
    67. HerringMissile corvette
    68. OppressorDestroyer
    69. Naval Construction Turret
    70. Tidal
    71. Wind
    72. Advanced Metal ExtractorT2 mex
    73. Death CavalryDeath Cavalry
    74. Tidal
    75. HerringMissile corvette
    76. Tidal ×2
    77. RiptideFrigate
    78. Wind
    79. Twin GuardTwin Guard
    80. RiptideFrigate
    81. Tidal
    82. HerringMissile corvette
    83. Tidal
    84. OppressorDestroyer
    85. Wind
    86. Tidal ×2
    87. Death CavalryDeath Cavalry
    88. HerringMissile corvette
    89. Wind
    90. Tidal
    91. RiptideFrigate ×2
    92. Tidal
    93. HerringMissile corvette
    94. OppressorDestroyer
    95. Tidal
    96. Death CavalryDeath Cavalry
    97. Wind
    98. HerringMissile corvette
    99. Twin GuardTwin Guard
    100. Tidal
    101. HerringMissile corvette
    102. RiptideFrigate

Counts are medians over the build's games: half of them build more, half fewer. The example game is TheSituation's (52 OS, 07/10/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine2 Wind to Airfirst at 1:48 · in 70% 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

1227 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
6:005454461231
7:006936931545
8:0086071578891
9:001047124951344
10:001263036252031
11:001519548242838
12:001810762243720
13:002139973574441
14:002501686445353
15:002886197626354
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

TheSituation

51.5 OS · 07/10/2026

Open source match ↗

5 received units · includes a constructor
400 metal received · 26080 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=1207
Shipyard3:17Middle 50%: 3:02–3:33 · n=1219
Orca4:17Middle 50%: 3:51–4:59 · n=845
Riptide4:37Middle 50%: 4:08–5:21 · n=1192
Oppressor5:52Middle 50%: 5:08–6:36 · n=1114
Geothermal Powerplant8:00Middle 50%: 7:01–9:03 · n=729
Advanced Metal Extractor9:22Middle 50%: 8:45–10:10 · n=1060

Played most by

sirniho125games of this buildSHOGVN100games of this buildOptimusprimenutt86games of this buildPRO_Rerory52games of this buildTheSituation43games of this build