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

Counts are medians over the build's games: half of them build more, half fewer. The example game is Alphacure's (35 OS, 19/09/2026); 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

35.5 OS · 19/09/2026

Open source match ↗

4 received units · includes a constructor
87 metal received · 30918 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