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 · 3 steps
    1. Mex ×3
    2. Wind ×4
    3. Bot LabBot Labdone 1:09 · 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 ×2
    4. Mex
    5. 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 · 24 steps
    1. Construction ShipCon ship ×2
    2. Wind
    3. Mex
    4. HerringMissile corvette
    5. Mex
    6. OrcaSubmarinedone 3:39 · typical 4:17
    7. Wind
    8. Mex
    9. Bot LabEat Bot Labreclaimed for its metal
    10. Wind
    11. UrchinUrchin
    12. HerringMissile corvette
    13. Mex
    14. Wind
    15. HerringMissile corvette
    16. Converter
    17. HerringMissile corvette
    18. GuardGuard
    19. HerringMissile corvette
    20. Wind
    21. OppressorDestroyerdone 5:29 · typical 5:52
    22. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    23. Radar TowerRadar Tower
    24. 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 · 161 steps
    1. Mex
    2. Wind
    3. GuardGuard
    4. UrchinUrchin
    5. Wind
    6. Death CavalryDeath Cavalry
    7. Converter
    8. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    9. ThistleThistle
    10. Wind
    11. RiptideFrigatedone 6:16 · typical 4:37
    12. GuardGuard
    13. Wind
    14. RiptideFrigate
    15. Wind ×2
    16. Naval Construction Turret
    17. Death CavalryDeath Cavalry
    18. GuardGuard
    19. Energy storage
    20. RiptideFrigate
    21. GuardGuard
    22. Advanced Metal ExtractorT2 mexdone 9:06 · typical 9:22
    23. Wind
    24. RiptideFrigate
    25. Death CavalryDeath Cavalry
    26. Converter
    27. RiptideFrigate
    28. Wind
    29. GuardGuard
    30. RiptideFrigate
    31. Tidal ×2
    32. RiptideFrigate
    33. Advanced Metal ExtractorT2 mex
    34. Tidal ×3
    35. Advanced Metal ExtractorT2 mex
    36. OppressorDestroyer
    37. Tidal
    38. Naval Construction Turret
    39. Con turret
    40. Naval Construction Turret
    41. HerringMissile corvette
    42. Advanced Metal ExtractorT2 mex
    43. Naval Construction Turret
    44. HerringMissile corvette
    45. Tidal
    46. RiptideFrigate
    47. Tidal
    48. Con turret
    49. RiptideFrigate
    50. Tidal ×2
    51. RiptideFrigate
    52. Tidal ×2
    53. HerringMissile corvette
    54. Tidal
    55. RiptideFrigate
    56. Wind
    57. Tidal
    58. Wind
    59. RiptideFrigate
    60. Tidal
    61. Converter
    62. Tidal ×2
    63. RiptideFrigate
    64. Wind ×2
    65. Death CavalryDeath Cavalry
    66. Wind
    67. Tidal
    68. Wind
    69. Death CavalryDeath Cavalry
    70. Tidal
    71. Converter
    72. Tidal
    73. Wind
    74. Death CavalryDeath Cavalry
    75. Tidal
    76. Con turret
    77. Wind
    78. Con turret
    79. Tidal ×2
    80. Wind
    81. Death CavalryDeath Cavalry
    82. Tidal ×2
    83. Wind
    84. Death CavalryDeath Cavalry
    85. Tidal
    86. Converter
    87. Advanced Metal ExtractorT2 mex
    88. Con turret
    89. Tidal
    90. Death CavalryDeath Cavalry
    91. Wind ×2
    92. Naval Construction Turret
    93. HerringMissile corvette
    94. Wind
    95. Naval Construction Turret
    96. Wind
    97. Death CavalryDeath Cavalry
    98. Wind
    99. Converter
    100. Wind
    101. Naval Construction Turret
    102. Wind
    103. HerringMissile corvette
    104. Wind
    105. Death CavalryDeath Cavalry
    106. Wind ×3
    107. Con turret
    108. Advanced Metal ExtractorT2 mex
    109. RiptideFrigate
    110. Wind
    111. Naval Construction Turret
    112. Converter ×2
    113. RiptideFrigate
    114. Wind
    115. HerringMissile corvette
    116. Tidal
    117. RiptideFrigate
    118. Wind
    119. Tidal
    120. Wind
    121. Tidal
    122. Wind ×2
    123. Tidal
    124. OppressorDestroyer
    125. Tidal
    126. Wind ×3
    127. Tidal
    128. Converter
    129. Wind ×2
    130. Tidal
    131. Converter
    132. OppressorDestroyer
    133. Tidal
    134. Wind ×2
    135. Tidal
    136. Wind
    137. Tidal
    138. Wind ×2
    139. Tidal ×2
    140. Wind ×2
    141. HerringMissile corvette
    142. Tidal
    143. Converter
    144. Wind
    145. Death CavalryDeath Cavalry
    146. Wind ×2
    147. Converter
    148. Wind
    149. Death CavalryDeath Cavalry
    150. Tidal
    151. Converter
    152. Advanced ShipyardAdvanced Shipyardnot finished by 15:00
    153. Wind ×2
    154. Death CavalryDeath Cavalry
    155. Wind ×4
    156. Converter
    157. Wind
    158. Tidal
    159. Wind ×3
    160. Converter
    161. Wind ×2

Counts are medians over the build's games: half of them build more, half fewer. The example game is _X_'s (41 OS, 08/10/2026); 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_

41.1 OS · 08/10/2026

Open source match ↗

2 received units · includes a constructor
218 metal received · 31428 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