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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 · 6 steps
    1. Mex ×2
    2. Windfor Air
    3. Mex
    4. Wind ×2for Air
    5. Wind
    6. 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 · 21 steps
    1. Construction ShipCon ship
    2. Wind ×3
    3. Construction ShipCon ship
    4. Wind
    5. HerringMissile corvette
    6. Mex
    7. OppressorDestroyerdone 3:43 · typical 5:12
    8. Mex ×5
    9. RiptideFrigatedone 4:03 · typical 3:49
    10. Wind
    11. Mex
    12. Wind
    13. RiptideFrigate
    14. Wind ×2
    15. UrchinUrchin
    16. RiptideFrigate
    17. Wind
    18. GuardGuard
    19. Death CavalryDeath Cavalry
    20. Wind
    21. Naval Construction Turret
  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 · 81 steps
    1. Wind
    2. RiptideFrigate
    3. GuardGuard
    4. Wind
    5. RiptideFrigate
    6. GuardGuard
    7. Naval Construction Turret
    8. RiptideFrigate
    9. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    10. RiptideFrigate
    11. GuardGuard
    12. HerringMissile corvette
    13. Naval Construction Turret
    14. HerringMissile corvette
    15. Naval Construction Turret ×2
    16. HerringMissile corvette
    17. Tidal
    18. HerringMissile corvette
    19. Tidal
    20. OppressorDestroyer
    21. Tidal ×2
    22. RiptideFrigate
    23. OppressorDestroyer
    24. Wind
    25. Tidal
    26. Advanced Metal ExtractorT2 mexdone 8:55 · typical 9:58
    27. Wind
    28. Naval Energy Converter
    29. Wind
    30. Naval Energy Converter
    31. Wind
    32. Naval Energy Converter
    33. OppressorDestroyer
    34. Naval Energy Converter
    35. Wind
    36. Advanced Metal ExtractorT2 mex
    37. ShipyardShipyarddone 9:26
    38. Wind
    39. RiptideFrigate
    40. Wind
    41. RiptideFrigate
    42. Wind
    43. RiptideFrigate
    44. Advanced Metal ExtractorT2 mex
    45. RiptideFrigate
    46. Wind
    47. RiptideFrigate
    48. HerringMissile corvette
    49. Wind
    50. Con turret
    51. HerringMissile corvette
    52. Tidal ×9
    53. HerringMissile corvette
    54. Advanced Metal ExtractorT2 mex
    55. Tidal
    56. HerringMissile corvette
    57. Tidal
    58. HerringMissile corvette ×6
    59. OppressorDestroyer
    60. HerringMissile corvette
    61. SAMSAM
    62. Advanced Metal ExtractorT2 mex
    63. SAMSAM
    64. OppressorDestroyer
    65. HerringMissile corvette
    66. Naval Construction Turret
    67. Death CavalryDeath Cavalry
    68. Advanced Metal ExtractorT2 mex
    69. Death CavalryDeath Cavalry
    70. RiptideFrigate
    71. Death CavalryDeath Cavalry
    72. RiptideFrigate
    73. Naval Construction Turret ×2
    74. Death CavalryDeath Cavalry
    75. RiptideFrigate
    76. HerringMissile corvette
    77. Naval Construction Turret
    78. Advanced ShipyardAdvanced Shipyardnot finished by 15:00
    79. HerringMissile corvette
    80. RiptideFrigate
    81. HerringMissile corvette

Counts are medians over the build's games: half of them build more, half fewer. The example game is El_Turco's (36 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

El_Turco

35.8 OS · 06/10/2026

Open source match ↗

8 received units · includes a constructor
95 metal received · 26932 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