BAR / BUILD ATLAS
← All builds
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 1:30 · 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 · 4 steps
    1. GraverobberGraverobber
    2. Construction BotCon bot
    3. GraverobberGraverobber
    4. ShipyardShipyarddone 2:37 · 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 · 14 steps
    1. Energy storage
    2. HerringMissile corvette
    3. Construction ShipCon ship ×2
    4. Mex
    5. OrcaSubmarinedone 3:53 · typical 4:17
    6. Mex
    7. Bot LabEat Bot Labreclaimed for its metal
    8. HerringMissile corvette ×2
    9. Con turret
    10. Mex
    11. HerringMissile corvette ×2
    12. Mex
    13. RiptideFrigatedone 5:23 · typical 4:37
    14. Mex
  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 · 123 steps
    1. GuardGuard
    2. Wind
    3. Converter
    4. Wind
    5. Construction ShipCon ship
    6. Wind ×2
    7. GuardGuard
    8. Wind
    9. RiptideFrigate
    10. ThistleThistle
    11. UrchinUrchin
    12. Geothermal PowerplantGeodone 7:34 · typical 8:00
    13. OppressorDestroyerdone 7:19 · typical 5:52
    14. Radar TowerRadar Tower
    15. UrchinUrchin
    16. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    17. Death CavalryDeath Cavalry
    18. Converter
    19. Mex
    20. Converter
    21. UrchinUrchin
    22. Converter
    23. GuardGuard
    24. RiptideFrigate
    25. Converter
    26. OppressorDestroyer
    27. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    28. Advanced Metal ExtractorT2 mexdone 9:46 · typical 9:22
    29. Converter
    30. Death CavalryDeath Cavalry
    31. Converter
    32. HerringMissile corvette
    33. RiptideFrigate
    34. Radar TowerRadar Tower
    35. Advanced Metal ExtractorT2 mex
    36. Death CavalryDeath Cavalry
    37. Naval Construction Turret
    38. Advanced Metal ExtractorT2 mex
    39. Death CavalryDeath Cavalry
    40. Naval Construction Turret
    41. Death CavalryDeath Cavalry
    42. Con turret
    43. Naval Construction Turret
    44. Advanced Metal ExtractorT2 mex
    45. RiptideFrigate
    46. Tidal
    47. HerringMissile corvette
    48. Wind
    49. Tidal
    50. Wind
    51. Tidal
    52. Death CavalryDeath Cavalry
    53. Tidal
    54. Wind ×2
    55. RiptideFrigate
    56. Tidal
    57. Con turret
    58. RiptideFrigate
    59. Tidal ×2
    60. CompassRadar bot
    61. Tidal
    62. OrcaSubmarine
    63. Tidal
    64. Wind
    65. Tidal
    66. Wind
    67. RiptideFrigate
    68. Tidal
    69. Wind
    70. RiptideFrigate
    71. Tidal
    72. Wind
    73. Converter
    74. RiptideFrigate
    75. Wind
    76. Advanced Metal ExtractorT2 mex
    77. Naval Construction Turret
    78. OrcaSubmarine
    79. Wind
    80. Converter
    81. RiptideFrigate
    82. Wind
    83. GuardGuard
    84. RiptideFrigate
    85. Wind
    86. GuardGuard ×2
    87. RiptideFrigate
    88. Converter
    89. Wind
    90. ThistleThistle
    91. OrcaSubmarine
    92. Wind
    93. GuardGuard
    94. Wind
    95. RiptideFrigate
    96. GuardGuard
    97. Converter
    98. Wind
    99. RiptideFrigate
    100. Advanced Metal ExtractorT2 mex
    101. GuardGuard
    102. Wind
    103. RiptideFrigate
    104. Wind
    105. Wind
    106. Naval Construction Turret
    107. Wind
    108. Converter
    109. HerringMissile corvette
    110. Con turret
    111. Wind
    112. Wind
    113. HerringMissile corvette
    114. Converter
    115. Con turret
    116. Wind
    117. HerringMissile corvette
    118. Wind
    119. Wind
    120. Con turret
    121. OrcaSubmarine
    122. Converter
    123. Wind

Counts are medians over the build's games: half of them build more, half fewer. The example game is _X_'s (40 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_

39.9 OS · 07/10/2026

Open source match ↗

125 received units · includes a constructor
980 metal received · 60619 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
Standard geo sea · Cortex Geo sea build order · BAR Build Atlas