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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 · 4 steps
    1. Mex ×3
    2. Wind ×2for Air
    3. Wind ×2
    4. 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 3:03–3:33
    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 · 10 steps
    1. Wind
    2. GraverobberGraverobber
    3. Construction BotCon bot
    4. Wind ×2
    5. Construction BotCon bot ×2
    6. Mex
    7. Con turret
    8. GraverobberGraverobber
    9. TrasherTrasher
    10. ShipyardShipyarddone 3:11 · 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 · 25 steps
    1. GruntGrunt
    2. Mex
    3. Wind
    4. Energy storage
    5. Wind
    6. Mex
    7. Radar TowerRadar Tower
    8. Construction ShipCon ship
    9. Wind
    10. OrcaSubmarinedone 3:52 · typical 4:19
    11. Mex
    12. Wind
    13. Converter
    14. HerringMissile corvette
    15. Wind
    16. Mex
    17. OppressorDestroyernot finished by 15:00 · typical 5:51
    18. RiptideFrigatedone 4:20 · typical 4:35
    19. Converter
    20. Wind
    21. RiptideFrigate
    22. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    23. Wind
    24. RiptideFrigate
    25. Converter
  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 · 112 steps
    1. Wind
    2. OppressorDestroyer
    3. Mex
    4. Wind
    5. Mex ×2
    6. Wind
    7. Radar TowerRadar Tower
    8. ThistleThistle
    9. Death CavalryDeath Cavalry
    10. GuardGuard
    11. HerringMissile corvette
    12. Geothermal PowerplantGeodone 8:46 · typical 8:00
    13. GuardGuard
    14. RiptideFrigate
    15. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    16. GuardGuard ×2
    17. RiptideFrigate
    18. Advanced Metal ExtractorT2 mexdone 8:06 · typical 9:22
    19. OppressorDestroyer ×2
    20. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    21. Con turret
    22. Advanced Metal ExtractorT2 mex
    23. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    24. Converter
    25. Death CavalryDeath Cavalry
    26. Advanced Metal ExtractorT2 mex
    27. Death CavalryDeath Cavalry
    28. Construction ShipCon ship
    29. Converter
    30. RiptideFrigate ×3
    31. HerringMissile corvette
    32. OppressorDestroyer
    33. Converter
    34. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    35. Death CavalryDeath Cavalry
    36. RiptideFrigate
    37. Advanced Metal ExtractorT2 mex
    38. UrchinUrchin
    39. Converter
    40. RiptideFrigate ×2
    41. HerringMissile corvette
    42. UrchinUrchin
    43. OppressorDestroyer
    44. Mex
    45. Converter
    46. Death CavalryDeath Cavalry
    47. RiptideFrigate ×2
    48. Converter
    49. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    50. RiptideFrigate
    51. Advanced Metal ExtractorT2 mex
    52. HerringMissile corvette
    53. Death CavalryDeath Cavalry
    54. HerringMissile corvette
    55. OppressorDestroyer
    56. Converter
    57. OppressorDestroyer
    58. Con turret
    59. Mex
    60. Con turret
    61. Construction ShipCon ship
    62. Converter
    63. Advanced Metal ExtractorT2 mex
    64. Naval Construction Turret
    65. Mex
    66. Tidal
    67. Construction ShipCon ship
    68. Tidal
    69. Converter
    70. Tidal ×6
    71. Mex
    72. Tidal ×4
    73. Advanced ShipyardAdvanced Shipyarddone 14:05
    74. Tidal
    75. Converter
    76. Tidal ×2
    77. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    78. HerringMissile corvette
    79. Wind
    80. Tidal
    81. HerringMissile corvette
    82. Naval Construction Turret
    83. Advanced Construction SubAdvanced Construction Sub
    84. Wind
    85. SlingshotSlingshot
    86. HerringMissile corvette
    87. Converter
    88. Wind
    89. Tidal
    90. Wind
    91. HerringMissile corvette
    92. Wind
    93. Naval Construction Turret
    94. Wind
    95. SlingshotSlingshot
    96. HerringMissile corvette
    97. Tidal
    98. OasisOasis
    99. Naval Construction Turret
    100. Wind
    101. Naval Construction Turret
    102. Wind
    103. Converter
    104. Naval Construction Turret
    105. Wind
    106. SlingshotSlingshot
    107. Tidal
    108. Advanced Geothermal PowerplantAdvanced Geothermal Powerplantnot finished by 15:00
    109. Wind
    110. Naval Advanced Metal ExtractorNaval Advanced Metal Extractornot finished by 15:00
    111. Wind
    112. Naval Construction Turret

Counts are medians over the build's games: half of them build more, half fewer. The example game is Alphacure's (35 OS, 23/09/2026); 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

Alphacure

35.3 OS · 23/09/2026

Open source match ↗

3 received units · includes a constructor
129 metal received · 99771 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