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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 · 963 distinct matches · 100 players · 83% of Cortex Geo sea games · team won 51% of 1080 · 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 963 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 1:06–1:25

    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 1:13 · 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 (46%) · trasher (39%) · energy storage (34%) · wind for allies (32%)

    By 2:51 in all: 4 mex · 5 wind · 1 energy storage

    The example game in this phase · 17 steps
    1. Solar
    2. Construction BotCon bot
    3. Solar
    4. Wind ×2
    5. Con turret
    6. GraverobberGraverobber
    7. TrasherTrasher
    8. GraverobberGraverobber
    9. Mex
    10. Construction BotCon bot
    11. GruntGrunt
    12. Radar TowerRadar Tower
    13. Wind
    14. Mex
    15. ThistleThistle
    16. Energy storage
    17. ShipyardShipyarddone 3:33 · 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 (49%) · wind (48%) · missile corvette (48%) · 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 · 19 steps
    1. Wind
    2. Mex
    3. SupporterGunboat
    4. Wind
    5. SupporterGunboat
    6. Mex
    7. SupporterGunboat ×2
    8. Radar TowerRadar Tower
    9. SupporterGunboat
    10. Wind
    11. Construction ShipCon ship
    12. OrcaSubmarinedone 4:39 · typical 4:20
    13. Converter
    14. Mex
    15. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    16. Death CavalryDeath Cavalry
    17. Wind
    18. Mex
    19. RiptideFrigatedone 5:17 · typical 4:36
  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 (48%) · Thistle (41%) · 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 · 105 steps
    1. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    2. RiptideFrigate
    3. Wind
    4. OrcaSubmarine
    5. Wind
    6. GuardGuard
    7. Mex
    8. HerringMissile corvette
    9. SupporterGunboat
    10. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    11. Wind
    12. SupporterGunboat ×3
    13. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    14. SupporterGunboat ×2
    15. Converter
    16. SupporterGunboat
    17. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    18. SupporterGunboat ×3
    19. OrcaSubmarine
    20. Wind
    21. Death CavalryDeath Cavalry
    22. RiptideFrigate
    23. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    24. Wind
    25. Construction ShipCon ship
    26. Wind ×3
    27. Advanced Metal ExtractorT2 mexdone 9:07 · typical 9:22
    28. Wind ×2
    29. Naval Metal Storage
    30. Wind ×3
    31. Mex
    32. Wind ×3
    33. Advanced Metal ExtractorT2 mex
    34. Wind ×2
    35. Mex
    36. Wind ×2
    37. Naval Construction Turret
    38. Wind ×2
    39. Advanced Metal ExtractorT2 mex
    40. Construction ShipCon ship
    41. Mex
    42. Wind
    43. Naval Construction Turret
    44. Wind
    45. Tidal
    46. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    47. Advanced ShipyardAdvanced Shipyarddone 10:46
    48. Wind
    49. Tidal
    50. Wind
    51. Advanced Metal ExtractorT2 mex
    52. Converter
    53. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    54. Tidal
    55. PhantasmRadar jammer ship
    56. Converter ×2
    57. Advanced Construction SubAdvanced Construction Sub
    58. Tidal
    59. Converter
    60. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    61. Tidal
    62. Converter
    63. PathfinderPathfinder
    64. Converter
    65. PathfinderPathfinder
    66. Tidal
    67. PathfinderPathfinder
    68. Advanced Metal ExtractorT2 mex
    69. Converter
    70. BrimstoneAnti-swarm shipdone 12:02
    71. Tidal
    72. Wind
    73. BrimstoneAnti-swarm ship
    74. Naval Advanced Metal ExtractorNaval Advanced Metal Extractordone 13:19
    75. Wind
    76. Tidal
    77. Wind
    78. MessengerCruise missile shipdone 12:44
    79. Wind
    80. Advanced Metal ExtractorT2 mex
    81. Wind
    82. MessengerCruise missile ship
    83. Tidal
    84. Wind ×2
    85. Tidal
    86. Wind
    87. Advanced Construction SubAdvanced Construction Sub
    88. Naval Advanced Metal ExtractorNaval Advanced Metal Extractor
    89. Wind
    90. Tidal
    91. Con turret
    92. Tidal
    93. Naval Fusion ReactorNaval Fusion Reactornot finished by 15:00
    94. Con turret
    95. Naval Advanced Metal ExtractorNaval Advanced Metal Extractor
    96. Con turret
    97. Tidal
    98. Con turret ×2
    99. Tidal
    100. Con turret
    101. Advanced Geothermal PowerplantAdvanced Geothermal Powerplantnot finished by 15:00
    102. Con turret ×3
    103. Tidal
    104. Con turret
    105. Aircraft PlantAircraft Plantnot finished by 15:00

Counts are medians over the build's games: half of them build more, half fewer. The example game is Optimusprimenutt's (40 OS, 26/09/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine2 Wind to Airfirst at 1:48 · in 72% of games

You get

  • Finch1 Finch from Airfirst at 1:51 · in 83% 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

1080 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0039700
2:0092800
3:00156700
4:002904051
5:00410713052
6:005463440242
7:006945931551
8:0086161570905
9:001049424631363
10:001261536342071
11:001522148872926
12:001812964053801
13:002147974014458
14:002507986465388
15:002882297766321
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

Optimusprimenutt

39.7 OS · 26/09/2026

Open source match ↗

6 received units · includes a constructor
127 metal received · 49390 energy received

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

Typical milestones

Bot Lab1:12Middle 50%: 1:06–1:25 · n=1069
Shipyard3:17Middle 50%: 3:02–3:33 · n=1074
Orca4:20Middle 50%: 3:54–5:00 · n=747
Riptide4:36Middle 50%: 4:08–5:21 · n=1048
Oppressor5:52Middle 50%: 5:09–6:34 · n=977
Geothermal Powerplant7:58Middle 50%: 7:00–8:59 · n=648
Advanced Metal Extractor9:22Middle 50%: 8:46–10:10 · n=926

Played most by

sirniho121games of this buildSHOGVN86games of this buildOptimusprimenutt84games of this buildPRO_Rerory47games of this buildhihimik41games of this build