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Geo sea / Cortex / Economy first / OBSERVED BUILD

Standard geo sea

The role's default economy-first play: bot lab then shipyard in the cove, quick frigate/submarine/destroyer navy to contest sea and hold the coast, transitioning into whatever the sea fight needs.

Usually shipyard in the cove (98%)

#naval #eco · 897 distinct matches · 97 players · 83% of Cortex Geo sea games · team won 52% of 1005 · Recently observed

HOW TO PLAY IT

Key timing: Shipyard by 3:18

  1. Open 3 mex, wind and solar, then Bot Lab.
  2. Get a BP and costal torpedo launcher up before the Shipyard.
  3. Put up Shipyard once you can defend it.
  4. Push out "submarine" and "frigate" to contest the sea.
  5. Add geothermal to fund the fleet transition into "destroyer", "missile corvette".

Phase by phase

TYPICAL OF ITS 897 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 1:06–1:26

    Some games also: wind for allies (49%)

    By 0:55 in all: 3 mex · 3 wind

    The example game in this phase · 5 steps
    1. Mex ×2
    2. Wind
    3. Mex
    4. Wind ×2
    5. Bot LabBot Labdone 1:04 · 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 3:03–3:33
    Builders
    • Construction Bot3 Con bot
    • Graverobber2 Graverobber
    Army
    • Grunt1 Grunt

    Some games also: con turret (47%) · trasher (39%) · energy storage (34%) · wind for allies (33%)

    By 2:52 in all: 4 mex · 5 wind · 1 energy storage

    The example game in this phase · 14 steps
    1. Wind
    2. GraverobberGraverobber
    3. Wind ×2
    4. GraverobberGraverobber
    5. Wind
    6. Construction BotCon bot
    7. GraverobberGraverobber
    8. Con turret
    9. Construction BotCon bot
    10. TrasherTrasher ×2
    11. Mex
    12. Construction BotCon bot ×2
    13. GruntGrunt ×2
    14. ShipyardShipyarddone 3:15 · typical 3:17
  3. 3

    Shipyard to 5:00

    Economy
    • Metal Extractor4Mex
    Builders
    • Construction Ship1 Con ship
    Army
    • Riptide2 Frigate
    • Orca1 Submarine
    Other
    • Radar Tower1 Radar Tower

    Some games also: Guard (50%) · wind (48%) · missile corvette (47%) · destroyer (46%) · gunboat (41%)

    By 5:00 in all: 8 mex · 6 wind · 1 energy storage · 1 con turret

    The example game in this phase · 24 steps
    1. Converter ×3
    2. Mex
    3. Energy storage
    4. Radar TowerRadar Tower
    5. Construction ShipCon ship
    6. Wind
    7. OrcaSubmarinedone 3:56 · typical 4:19
    8. Mex
    9. Converter
    10. Mex
    11. Converter
    12. Wind
    13. RiptideFrigatedone 4:26 · typical 4:35
    14. Mex ×2
    15. Radar TowerRadar Tower
    16. Wind
    17. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    18. GuardGuard
    19. Radar TowerRadar Tower
    20. RiptideFrigate
    21. Wind
    22. ThistleThistle
    23. OppressorDestroyerdone 5:50 · typical 5:51
    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
    • Herring2 Missile corvette
    Other
    • Naval Radar / Sonar Tower2 Naval Radar / Sonar Tower

    Some games also: geo (48%) · Thistle (42%) · submarine (33%)

    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 · 177 steps
    1. GuardGuard ×2
    2. Mex
    3. Wind
    4. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    5. GuardGuard
    6. Wind
    7. Death CavalryDeath Cavalry
    8. GuardGuard
    9. Wind
    10. HerringMissile corvette
    11. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    12. HerringMissile corvette
    13. GuardGuard
    14. RiptideFrigate
    15. Wind
    16. GuardGuard
    17. RiptideFrigate
    18. GuardGuard
    19. Wind
    20. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    21. OppressorDestroyer
    22. Wind
    23. Advanced Metal ExtractorT2 mexdone 8:35 · typical 9:22
    24. Mex
    25. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    26. Wind
    27. HerringMissile corvette
    28. GuardGuard
    29. HerringMissile corvette
    30. Con turret
    31. HerringMissile corvette
    32. Con turret
    33. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    34. Death CavalryDeath Cavalry
    35. Advanced Metal ExtractorT2 mex
    36. Mex
    37. Wind
    38. GuardGuard
    39. Death CavalryDeath Cavalry
    40. Wind
    41. Death CavalryDeath Cavalry
    42. Wind
    43. Mex
    44. Construction ShipCon ship
    45. Wind ×2
    46. Naval Construction Turret
    47. Advanced Metal ExtractorT2 mex
    48. ThistleThistle
    49. Naval Construction Turret
    50. Wind
    51. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    52. Mex
    53. Advanced ShipyardAdvanced Shipyarddone 11:29
    54. Advanced Metal ExtractorT2 mex
    55. Wind ×2
    56. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    57. Wind ×2
    58. ThistleThistle
    59. Wind ×4
    60. Wind
    61. Wind
    62. Tidal
    63. Wind
    64. Advanced Metal ExtractorT2 mex
    65. Wind
    66. Wind
    67. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    68. Wind ×2
    69. Tidal
    70. Wind ×2
    71. Wind
    72. Con turret
    73. Wind
    74. Advanced Metal ExtractorT2 mex
    75. Wind
    76. Tidal
    77. Wind
    78. Wind
    79. Wind
    80. Wind
    81. Wind
    82. PhantasmRadar jammer ship
    83. Tidal
    84. Wind
    85. Wind
    86. Wind
    87. Wind
    88. Tidal
    89. Advanced Metal ExtractorT2 mex
    90. Wind
    91. Wind
    92. Wind
    93. Wind
    94. Wind
    95. Wind
    96. Tidal
    97. Advanced Construction SubAdvanced Construction Sub
    98. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    99. Wind
    100. Wind
    101. Wind
    102. Wind
    103. Wind
    104. Wind
    105. Wind
    106. Wind
    107. Wind
    108. Wind ×2
    109. Advanced Construction SubAdvanced Construction Sub
    110. Wind
    111. Wind
    112. Wind
    113. Wind
    114. Wind
    115. Wind
    116. Advanced Radar TowerAdvanced Radar Tower
    117. Wind
    118. Wind ×4
    119. Naval Advanced Metal ExtractorNaval Advanced Metal Extractordone 13:03
    120. Wind
    121. Wind
    122. Wind
    123. Advanced Metal ExtractorT2 mex
    124. Wind
    125. Converter
    126. Converter
    127. Wind ×2
    128. Wind
    129. Wind
    130. Naval Advanced Metal ExtractorNaval Advanced Metal Extractor
    131. Converter
    132. Advanced Geothermal PowerplantAdvanced Geothermal Powerplantnot finished by 15:00
    133. Wind
    134. Converter
    135. Wind
    136. Converter
    137. Wind
    138. Con turret
    139. Wind
    140. Converter
    141. Converter
    142. OasisOasis
    143. Wind
    144. Con turret
    145. Wind
    146. Converter
    147. Con turret
    148. Wind
    149. Wind
    150. Con turret
    151. Converter
    152. JunoJuno
    153. Wind ×2
    154. Naval Advanced Metal ExtractorNaval Advanced Metal Extractor
    155. Arrow StormAnti-air shipdone 14:24
    156. Converter
    157. Wind
    158. Wind
    159. Converter
    160. Wind
    161. JunoJuno
    162. Wind
    163. Wind
    164. Black HydraBlack Hydranot finished by 15:00
    165. Wind
    166. Converter
    167. Wind
    168. Converter
    169. Wind
    170. Wind ×3
    171. Wind
    172. Converter
    173. Wind
    174. Wind
    175. Pit BullPit Bull
    176. Wind ×2
    177. Wind

Counts are medians over the build's games: half of them build more, half fewer. The example game is sirniho's (37 OS, 21/09/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine2 Wind to Airfirst at 1:47 · in 73% of games

You get

  • Finch1 Finch from Airfirst at 1:51 · in 82% of games
  • Hercules1 Light transport from Airfirst at 2:00 · in 75% 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

1005 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0039700
2:0092800
3:00157100
4:002914051
5:00411013052
6:005467440232
7:006953931547
8:0086241570891
9:001051024401344
10:001264436272050
11:001523749202921
12:001815364203827
13:002150674134511
14:002505786485441
15:002879297896342
WHAT THE NUMBERS SAY

Standard Cortex geo sea sits at an even 50% win rate, trading a slower start for a big resource lead by 15:00.

  • + Metal produced hits 28451 by 15:00, well above both front roles
  • + Own metal lost stays far below enemy metal destroyed at every checkpoint
  • − Only 50% team win rate, the lowest of these six builds
  • − T2 factory only completes in 40% of games by 12:53
THE EXAMPLE YOU ARE READING

sirniho

37.2 OS · 21/09/2026

Open source match ↗

7 received units · includes a constructor
530 metal received · 113309 energy received

Allied construction assistance is unknown. Timings are observations, not a promise of solo reproducibility.

Typical milestones

Bot Lab1:12Middle 50%: 1:06–1:26 · n=999
Shipyard3:17Middle 50%: 3:03–3:33 · n=1000
Orca4:19Middle 50%: 3:53–4:59 · n=686
Riptide4:35Middle 50%: 4:08–5:20 · n=977
Oppressor5:51Middle 50%: 5:08–6:32 · n=912
Geothermal Powerplant8:00Middle 50%: 7:01–8:58 · n=605
Advanced Metal Extractor9:22Middle 50%: 8:45–10:10 · n=861

Played most by

sirniho119games of this buildOptimusprimenutt78games of this buildSHOGVN74games of this buildPRO_Rerory46games of this buildhihimik41games of this build