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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 · 7 steps
    1. Mex ×3
    2. Wind ×2for Air
    3. Wind ×4
    4. Energy storage
    5. GuardGuard
    6. Tidal ×2
    7. ShipyardShipyarddone 2:29 · 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 · 21 steps
    1. Construction ShipCon ship ×2
    2. Mex
    3. Construction ShipCon ship
    4. Mex
    5. Con turret
    6. Mex
    7. RiptideFrigatedone 4:09 · typical 3:49
    8. Tidal
    9. Mex
    10. RiptideFrigate
    11. Mex
    12. Tidal ×2
    13. Converter
    14. OppressorDestroyerdone 5:34 · typical 5:12
    15. Tidal
    16. UrchinUrchin
    17. Converter
    18. Tidal
    19. Converter
    20. JellyfishJellyfish
    21. Converter
  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 · 89 steps
    1. Converter
    2. Windfor Air
    3. Mex
    4. Wind
    5. HerringMissile corvette
    6. Mex
    7. Wind ×3
    8. RiptideFrigate
    9. Wind ×2
    10. RiptideFrigate
    11. Wind
    12. OppressorDestroyer
    13. Wind ×5
    14. Windfor Air
    15. Naval Construction Turret
    16. HerringMissile corvette
    17. Naval Construction Turret
    18. RiptideFrigate
    19. Con turret
    20. RiptideFrigate
    21. Tidal
    22. OppressorDestroyer
    23. Tidal
    24. AgitatorAgitatordone 8:37
    25. HerringMissile corvette
    26. Construction ShipCon ship
    27. Tidal
    28. Construction ShipCon ship
    29. Tidal
    30. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    31. Con turret
    32. Tidal
    33. GuardGuard
    34. Radar TowerRadar Tower
    35. Con turret
    36. Tidal
    37. Construction ShipCon ship
    38. Tidal
    39. Advanced Metal ExtractorT2 mexdone 9:46 · typical 9:58
    40. Tidal
    41. Construction ShipCon ship
    42. Tidal
    43. Advanced Metal ExtractorT2 mex
    44. Construction ShipCon ship
    45. Advanced ShipyardAdvanced Shipyarddone 11:56
    46. Tidal ×3
    47. Con turret
    48. Advanced Metal ExtractorT2 mex
    49. Tidal ×11
    50. Advanced Metal ExtractorT2 mex
    51. Wind ×2
    52. Converter
    53. Wind
    54. Converter
    55. Wind
    56. Converter ×2
    57. Naval Construction Turret
    58. Advanced Construction SubAdvanced Construction Sub
    59. Wind
    60. Converter
    61. Wind
    62. Converter
    63. Naval Construction Turret
    64. Wind
    65. Converter
    66. Naval Construction Turret
    67. Converter
    68. Wind
    69. Naval Construction Turret
    70. Wind
    71. Naval Construction Turret
    72. Wind
    73. Naval Construction Turret
    74. Wind
    75. Naval Advanced Metal ExtractorNaval Advanced Metal Extractordone 13:13
    76. Wind
    77. GuardGuard
    78. Wind ×2
    79. PhantasmRadar jammer ship
    80. Advanced Construction SubAdvanced Construction Sub
    81. Naval Advanced Metal ExtractorNaval Advanced Metal Extractor
    82. GuardGuard
    83. DespotBattleshipdone 14:15
    84. Naval Advanced Metal ExtractorNaval Advanced Metal Extractor
    85. DespotBattleship
    86. Arrow StormAnti-air shipdone 14:37
    87. Cloakable Fusion ReactorCloakable Fusion Reactornot finished by 15:00
    88. DespotBattleship
    89. EradicatorEradicator

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 ↗

12 received units · includes a constructor
719 metal received · 83244 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