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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 · 5 steps
    1. Mex ×3
    2. Wind ×2
    3. GuardGuard
    4. Tidal
    5. 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 · 37 steps
    1. HerringMissile corvette
    2. RiptideFrigatedone 2:21 · typical 3:49
    3. Wind
    4. Tidal ×2
    5. Wind
    6. Construction ShipCon ship
    7. Wind
    8. Con turret
    9. Construction ShipCon ship
    10. Mex
    11. Energy storage
    12. Mex
    13. Wind ×2
    14. Construction ShipCon ship
    15. Mex
    16. Wind
    17. Wind
    18. Wind
    19. Radar TowerRadar Tower
    20. Wind
    21. Converter
    22. Wind
    23. Mex
    24. Wind
    25. Converter
    26. HerringMissile corvette
    27. Wind ×2
    28. HerringMissile corvette
    29. Converter
    30. Wind
    31. HerringMissile corvette
    32. Converter
    33. Wind
    34. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    35. Converter
    36. Mex
    37. OppressorDestroyerdone 6:07 · typical 5:12
  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. Wind
    2. Converter
    3. Wind
    4. Aircraft PlantAircraft Plantdone 6:05
    5. Wind
    6. Mex
    7. OppressorDestroyer
    8. Wind
    9. UrchinUrchin
    10. HerculesLight transport
    11. HephaestusHeavy transport
    12. UrchinUrchin
    13. FinchFinch
    14. OrcaSubmarine ×2done 7:21
    15. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    16. Aircraft PlantEat Aircraft Plantreclaimed for its metal
    17. Death CavalryDeath Cavalry
    18. Wind
    19. Death CavalryDeath Cavalry
    20. Advanced Metal ExtractorT2 mexdone 9:19 · typical 9:58
    21. Wind ×2
    22. Naval Construction Turret
    23. Death CavalryDeath Cavalry
    24. Wind ×2
    25. RiptideFrigate
    26. UrchinUrchin
    27. Wind
    28. RiptideFrigate
    29. Wind ×2
    30. RiptideFrigate
    31. Advanced Metal ExtractorT2 mex
    32. GuardGuard
    33. Wind
    34. GuardGuard
    35. HerringMissile corvette
    36. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    37. Wind
    38. HerringMissile corvette
    39. OppressorDestroyer
    40. Wind
    41. GuardGuard
    42. Wind
    43. OppressorDestroyer
    44. Advanced Metal ExtractorT2 mex
    45. Con turret
    46. OppressorDestroyer
    47. ShipyardShipyarddone 11:56
    48. SupporterGunboat ×3
    49. Construction ShipCon ship ×2
    50. Con turret
    51. Radar TowerRadar Tower
    52. Mex
    53. Naval Construction Turret
    54. Wind
    55. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    56. OppressorDestroyer
    57. Wind ×3
    58. Advanced Metal ExtractorT2 mex
    59. Naval Construction Turret
    60. Wind
    61. Mex
    62. Wind
    63. Naval Hovercraft PlatformNaval Hovercraft Platformdone 13:24
    64. Wind ×4
    65. Naval Construction Turret
    66. Wind
    67. CaymanCayman
    68. Wind
    69. Naval Construction Turret
    70. Wind
    71. CaymanCayman
    72. MangonelHover rocket bot
    73. Wind
    74. Naval Construction Turret
    75. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    76. RiptideFrigate
    77. Tidal
    78. Wind
    79. Naval Metal Storage
    80. Tidal
    81. JellyfishJellyfish
    82. Tidal
    83. MangonelHover rocket bot
    84. Wind
    85. Tidal
    86. Wind
    87. Tidal
    88. Wind
    89. MangonelHover rocket bot

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

TekilaPaf

37.1 OS · 06/10/2026

Open source match ↗

3 received units · includes a constructor
369 metal received · 63012 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
Standard beach sea · Cortex Beach sea build order · BAR Build Atlas