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Beach sea / Cortex / Economy first / OBSERVED BUILD

Standard beach sea

Cortex Beach sea build order · Supreme Isthmus

The role's usual play: com goes to sea to build a shipyard around 2 minutes, pumping frigates and destroyers to contest enemy sea entry or hold vision, with an advanced metal extractor around 10 minutes as the transition into the team's…

Usually shipyard first (94%)

#naval #eco · 935 distinct matches · 113 players · 83% of Cortex Beach sea games · team won 54% of 1009 · Recently observed

HOW TO PLAY IT

Key timing: Shipyard by 1:57

  1. Grab mex and tidal, push com to sea to build shipyard.
  2. Finish shipyard and start pumping frigate and destroyer.
  3. Field first frigate to contest enemy sea entry or hold vision.
  4. Add destroyer to the mix as the fight for sea develops.
  5. Shift into advanced metal extractor as the economy transition.

Phase by phase

TYPICAL OF ITS 935 GAMES
  1. 1
  2. 2
  3. 3
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 Shipyard

    Economy
    • Metal Extractor3Mex
    • Wind Turbine2Windfor allies
    • Wind Turbine2Wind
    • Energy Storage1Energy storage
    Order
    1. ShipyardShipyard after 3 mex, 2 wind, 1 energy storagedone ~1:56, middle half 1:41–2:07

    Some games also: tidal (31%)

    By 1:40 in all: 3 mex · 2 wind · 1 energy storage

    The example game in this phase · 4 steps
    1. Mex ×3
    2. Wind
    3. Tidal ×3
    4. ShipyardShipyarddone 1:39 · typical 1:56
  2. 2

    Shipyard to 5:00

    Economy
    • Metal Extractor5Mex
    • Tidal Generator2Tidal
    Builders
    • Construction Ship2 Con ship
    Army
    • Riptide2 Frigate
    • Herring1 Missile corvette
    • Oppressor1 Destroyer
    Other
    • Naval Radar / Sonar Tower1 Naval Radar / Sonar Tower

    Some games also: Urchin (46%) · wind (39%) · submarine (38%) · mex (36%) · gunboat (36%)

    By 5:00 in all: 8 mex · 3 wind · 2 tidal · 1 energy storage

    The example game in this phase · 28 steps
    1. Tidal
    2. Construction ShipCon ship ×2
    3. Tidal ×2
    4. Construction ShipCon ship
    5. Tidal
    6. Mex ×2
    7. Construction ShipCon ship
    8. RiptideFrigatedone 3:04 · typical 3:49
    9. Mex ×2
    10. Con turret
    11. RiptideFrigate
    12. Mex
    13. Converter
    14. Naval Construction Turret
    15. UrchinUrchin
    16. RiptideFrigate
    17. GuardGuard
    18. Wind
    19. Tidal
    20. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    21. OppressorDestroyerdone 6:04 · typical 5:12
    22. Wind ×2
    23. Tidal
    24. Wind
    25. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    26. Wind
    27. Tidal
    28. Wind
  3. 3

    5:00 to 10:00

    Economy
    • Metal Extractor1Mex
    • Wind Turbine9Wind
    Builders
    • Construction Ship1 Con ship
    • Death Cavalry1 Death Cavalry
    Army
    • Urchin1 Urchin
    • Riptide5 Frigate
    • Oppressor2 Destroyer
    • Herring2 Missile corvette
    Other
    • Naval Radar / Sonar Tower1 Naval Radar / Sonar Tower

    Some games also: Naval Construction Turret (49%) · Guard (47%) · Radar Tower (40%) · tidal (40%) · con turret (35%)

    By 10:00 in all: 9 mex · 11 wind · 4 wind · 4 tidal · 1 energy storage · 1 Naval Construction Turret

    The example game in this phase · 80 steps
    1. Wind
    2. JellyfishJellyfish
    3. Tidal
    4. Wind ×2
    5. Tidal
    6. Wind
    7. Mex
    8. Tidal
    9. UrchinUrchin
    10. Tidal
    11. HerringMissile corvette
    12. Mex
    13. Tidal
    14. Naval Construction Turret ×2
    15. HerringMissile corvette
    16. RiptideFrigate
    17. OppressorDestroyer
    18. RiptideFrigate
    19. GuardGuard
    20. Naval Construction Turret
    21. RiptideFrigate ×2
    22. HerringMissile corvette
    23. RiptideFrigate ×3
    24. Con turret
    25. AgitatorAgitatornot finished by 15:00
    26. HerringMissile corvette
    27. Con turret
    28. RiptideFrigate
    29. Converter ×3
    30. RiptideFrigate
    31. Converter
    32. Naval Energy Converter
    33. Converter ×2
    34. Advanced Metal ExtractorT2 mexdone 10:44 · typical 9:58
    35. Converter
    36. Naval Energy Converter
    37. RiptideFrigate
    38. Naval Construction Turret
    39. Converter
    40. Mex
    41. Advanced Metal ExtractorT2 mex
    42. HerringMissile corvette
    43. Tidal
    44. RiptideFrigate
    45. Tidal
    46. RiptideFrigate
    47. Advanced Metal ExtractorT2 mex
    48. Tidal ×2
    49. RiptideFrigate
    50. Tidal ×2
    51. HerringMissile corvette
    52. Tidal
    53. RiptideFrigate
    54. Tidal
    55. RiptideFrigate
    56. Tidal
    57. RiptideFrigate
    58. Tidal
    59. Advanced Metal ExtractorT2 mex
    60. HerringMissile corvette
    61. Tidal
    62. RiptideFrigate
    63. Tidal
    64. RiptideFrigate ×2
    65. HerringMissile corvette
    66. Naval Construction Turret
    67. RiptideFrigate
    68. Naval Construction Turret
    69. RiptideFrigate
    70. Naval Construction Turret
    71. RiptideFrigate
    72. Mex
    73. HerringMissile corvette
    74. RiptideFrigate
    75. Naval Construction Turret
    76. RiptideFrigate
    77. Naval Construction Turret
    78. HerringMissile corvette
    79. Advanced ShipyardAdvanced Shipyarddone 14:45
    80. GuardGuard

Counts are medians over the build's games: half of them build more, half fewer. The example game is Kbot_my_Ahole's (37 OS, 06/10/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine3 Wind to Airfirst at 1:52 · in 78% of games

You get

  • Finch1 Finch from Airfirst at 1:59 · in 82% of games
  • Lazarus1 Lazarus from Geofirst at 2:14 · in 63% of games
  • Hephaestus1 Heavy transport from Airfirst at 2:16 · in 67% of games
  • Construction Bot1 Con bot from Geofirst at 2:27 · in 70% of games
  • Hercules1 Light transport from Airfirst at 2:32 · in 32% of games
  • Advanced Construction Bot1 T2 con bot from Techfirst at 8:09 · 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

1009 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0040300
2:0093700
3:00156900
4:002538051
5:003715197100
6:005041540261
7:0064861074590
8:00805618061014
9:00967627771581
10:001157039202310
11:001375549693051
12:001628260643825
13:001909071214611
14:002186582015711
15:002489893256582
WHAT THE NUMBERS SAY

Standard sea-first play for Beach sea, with the lowest team win rate of the roles shown at 54% and a big gap in metal destroyed vs lost by 15:00.

  • + Metal produced hits 24892 by 15:00, second highest overall shown.
  • − Enemy metal destroyed only 9261 by 15:00 against own losses of 6529, a tight margin for a sea role.
THE EXAMPLE YOU ARE READING

Kbot_my_Ahole

36.5 OS · 06/10/2026

Open source match ↗

5 received units · includes a constructor
342 metal received · 15394 energy received

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

Typical milestones

Shipyard1:56Middle 50%: 1:41–2:07 · n=1007
Riptide3:49Middle 50%: 3:15–4:32 · n=988
Oppressor5:12Middle 50%: 4:22–6:07 · n=970
Advanced Metal Extractor9:58Middle 50%: 9:17–10:54 · n=853

Played most by

EpicTyrannus99games of this buildDamsko68games of this buildKbot_my_Ahole64games of this buildWaboum64games of this buildPRO_HYDRA63games of this build