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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 · 4 steps
    1. Mex ×3
    2. Wind ×4
    3. GuardGuard
    4. Bot LabBot Labdone 1:21 · 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 · 3 steps
    1. GraverobberGraverobber ×2
    2. Construction BotCon bot
    3. ShipyardShipyarddone 2:33 · 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 · 21 steps
    1. Construction BotCon bot
    2. HerringMissile corvette
    3. Construction ShipCon ship ×2
    4. OrcaSubmarinedone 3:34 · typical 4:17
    5. Mex
    6. Bot LabEat Bot Labreclaimed for its metal
    7. Energy storage
    8. Mex
    9. HerringMissile corvette
    10. Converter
    11. UrchinUrchin
    12. HerringMissile corvette
    13. Converter
    14. HerringMissile corvette
    15. Mex
    16. HerringMissile corvette
    17. Wind
    18. RiptideFrigatedone 5:33 · typical 4:37
    19. Mex
    20. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    21. Wind ×2
  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 · 143 steps
    1. Mex
    2. GuardGuard
    3. Wind
    4. UrchinUrchin
    5. Converter
    6. GuardGuard
    7. ThistleThistle
    8. RiptideFrigate
    9. Wind
    10. Radar TowerRadar Tower
    11. Wind ×2
    12. Death CavalryDeath Cavalry
    13. Wind
    14. Converter
    15. Mex
    16. OppressorDestroyerdone 7:11 · typical 5:52
    17. Wind ×4
    18. RiptideFrigate
    19. Converter
    20. RiptideFrigate
    21. Wind ×2
    22. Death CavalryDeath Cavalry
    23. Wind
    24. GuardGuard
    25. Converter
    26. GuardGuard
    27. OppressorDestroyer
    28. Wind
    29. Advanced Metal ExtractorT2 mexdone 9:13 · typical 9:22
    30. GuardGuard
    31. Wind
    32. Naval Construction Turret
    33. GuardGuard
    34. Advanced Metal ExtractorT2 mex
    35. Naval Construction Turret
    36. RiptideFrigate
    37. Wind
    38. Tidal
    39. Advanced Metal ExtractorT2 mex
    40. Wind
    41. Tidal
    42. Wind
    43. RiptideFrigate
    44. Tidal
    45. Wind
    46. Tidal
    47. Converter
    48. Tidal
    49. Wind
    50. Tidal
    51. Wind
    52. Death CavalryDeath Cavalry
    53. Tidal
    54. Wind
    55. Tidal
    56. Wind
    57. RiptideFrigate
    58. Converter
    59. Tidal
    60. RiptideFrigate
    61. Naval Construction Turret
    62. Wind ×2
    63. Naval Construction Turret
    64. Wind
    65. RiptideFrigate
    66. Naval Construction Turret
    67. Wind
    68. Tidal
    69. RiptideFrigate
    70. Tidal
    71. Converter
    72. Advanced Metal ExtractorT2 mex
    73. Tidal
    74. RiptideFrigate
    75. Tidal
    76. Wind
    77. Tidal
    78. Death CavalryDeath Cavalry
    79. Tidal ×2
    80. Wind
    81. OrcaSubmarine
    82. Tidal
    83. Vehicle PlantVehicle Plantdone 12:39
    84. Wind
    85. Tidal
    86. OrcaSubmarine
    87. Converter
    88. Tidal
    89. Wind
    90. OrcaSubmarine
    91. Tidal
    92. Advanced Metal ExtractorT2 mex
    93. Tidal
    94. Wind ×2
    95. Tidal
    96. HerringMissile corvette
    97. Tidal
    98. Wind
    99. Tidal
    100. OrcaSubmarine
    101. Converter
    102. Tidal
    103. Wind
    104. Tidal
    105. Wind
    106. HerringMissile corvette
    107. Tidal ×2
    108. Death CavalryDeath Cavalry
    109. Tidal
    110. Wind
    111. Advanced Metal ExtractorT2 mex
    112. Tidal
    113. RiptideFrigate
    114. Wind
    115. Tidal
    116. Converter
    117. RiptideFrigate
    118. Tidal
    119. Wind
    120. HerringMissile corvette
    121. Tidal
    122. Wind
    123. OrcaSubmarine
    124. Tidal
    125. Wind
    126. Tidal
    127. HerringMissile corvette
    128. Tidal
    129. Wind
    130. HerringMissile corvette
    131. Tidal
    132. Converter
    133. Tidal
    134. HerringMissile corvette
    135. Tidal
    136. RiptideFrigate
    137. Tidal ×2
    138. Wind
    139. OrcaSubmarine
    140. Wind
    141. OrcaSubmarine
    142. Naval Construction Turret
    143. Wind

Counts are medians over the build's games: half of them build more, half fewer. The example game is _X_'s (41 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

_X_

40.5 OS · 07/10/2026

Open source match ↗

3 received units · includes a constructor
146 metal received · 82415 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