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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 · 941 distinct matches · 99 players · 83% of Cortex Geo sea games · team won 52% of 1055 · 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 941 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 (50%)

    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
    4. Bot LabBot Labdone 1:21 · 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 2:51 in all: 4 mex · 5 wind · 1 energy storage

    The example game in this phase · 7 steps
    1. Construction BotCon bot
    2. Construction BotCon botfor Beach sea
    3. Mex
    4. Construction BotCon bot
    5. GraverobberGraverobber
    6. GruntGrunt
    7. ShipyardShipyarddone 2:43 · 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 (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 · 20 steps
    1. GruntGrunt
    2. Construction ShipCon ship
    3. Mex
    4. OrcaSubmarinedone 3:50 · typical 4:19
    5. GraverobberGraverobber
    6. Wind
    7. Mex
    8. Wind ×3
    9. Mex ×2
    10. RiptideFrigatedone 4:13 · typical 4:36
    11. Radar TowerRadar Tower
    12. Construction BotCon bot
    13. ThistleThistle
    14. RiptideFrigate
    15. Wind
    16. Construction ShipCon ship
    17. Wind
    18. Construction BotCon bot
    19. ThistleThistle
    20. RiptideFrigate
  4. 4

    5:00 to 10:00

    Economy
    • Metal Extractor2Mex
    • Wind Turbine8Wind
    • Energy Converter2Converter
    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 (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 · 60 steps
    1. HerringMissile corvette
    2. OppressorDestroyerdone 5:49 · typical 5:51
    3. GuardGuard
    4. Geothermal PowerplantGeodone 7:41 · typical 7:58
    5. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    6. Death CavalryDeath Cavalry
    7. GuardGuard
    8. RiptideFrigate
    9. Construction ShipCon ship
    10. RiptideFrigate
    11. GuardGuard
    12. HerringMissile corvette
    13. Mex
    14. OppressorDestroyer
    15. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    16. Advanced Metal ExtractorT2 mexdone 8:52 · typical 9:21
    17. Converter ×2
    18. Death CavalryDeath Cavalry
    19. Converter ×2
    20. RiptideFrigate
    21. Converter
    22. RiptideFrigate
    23. Converter
    24. Advanced Metal ExtractorT2 mex
    25. HerringMissile corvette
    26. Construction ShipCon ship
    27. RiptideFrigate ×2
    28. OppressorDestroyer
    29. Advanced Metal ExtractorT2 mex
    30. Death CavalryDeath Cavalry
    31. HerringMissile corvette
    32. OppressorDestroyer
    33. Death CavalryDeath Cavalry
    34. Advanced Metal ExtractorT2 mex
    35. RiptideFrigate
    36. Naval Construction Turret
    37. RiptideFrigate
    38. Naval Construction Turret ×3
    39. Advanced ShipyardAdvanced Shipyarddone 12:21
    40. RiptideFrigate ×2
    41. Advanced Metal ExtractorT2 mex
    42. HerringMissile corvette
    43. Construction ShipCon ship
    44. RiptideFrigate
    45. Advanced Construction SubAdvanced Construction Sub
    46. Construction ShipCon ship
    47. SlingshotSlingshot
    48. Mex
    49. PathfinderPathfinder
    50. Construction ShipCon ship
    51. Naval Advanced Metal ExtractorNaval Advanced Metal Extractordone 14:19
    52. Advanced Metal ExtractorT2 mex
    53. PathfinderPathfinder
    54. Mex
    55. Construction ShipCon ship
    56. PathfinderPathfinder
    57. MessengerCruise missile shipdone 14:36
    58. Naval Advanced Metal ExtractorNaval Advanced Metal Extractor
    59. MessengerCruise missile ship
    60. Advanced Construction SubAdvanced Construction Sub

Counts are medians over the build's games: half of them build more, half fewer. The example game is [FCRD]GlazedByAfussy's (35 OS, 26/09/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine2 Wind to Airfirst at 1:47 · 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

1055 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0039700
2:0092800
3:00157000
4:002904051
5:00410813052
6:005464440241
7:006950931547
8:0086211570892
9:001050224471351
10:001263036252071
11:001525849012945
12:001816664063801
13:002151274084465
14:002512586485401
15:002884498106321
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

[FCRD]GlazedByAfussy

35.3 OS · 26/09/2026

Open source match ↗

32 received units · includes a constructor
285 metal received · 85640 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=1047
Shipyard3:17Middle 50%: 3:03–3:33 · n=1049
Orca4:19Middle 50%: 3:53–5:00 · n=727
Riptide4:36Middle 50%: 4:09–5:21 · n=1025
Oppressor5:51Middle 50%: 5:09–6:33 · n=954
Geothermal Powerplant7:58Middle 50%: 7:00–8:59 · n=635
Advanced Metal Extractor9:21Middle 50%: 8:45–10:10 · n=905

Played most by

sirniho119games of this buildOptimusprimenutt84games of this buildSHOGVN81games of this buildPRO_Rerory46games of this buildhihimik41games of this build