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Beach sea / Cortex / Economy first / OBSERVED BUILD

Standard beach sea

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 · 729 distinct matches · 102 players · 84% of Cortex Beach sea games · team won 55% of 789 · Recently observed

HOW TO PLAY IT

Key timing: Shipyard by 1:57

  1. Open 3 mex and wind while com heads straight to sea.
  2. Drop Shipyard fast, before 2:00, to seize early sea presence.
  3. Push "frigate" out to contest enemy sea entry or hold vision.
  4. Add "destroyer" as the fleet grows.
  5. Transition into Advanced Metal Extractor to catch up on eco.

Phase by phase

TYPICAL OF ITS 729 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 Turbine3Windfor allies
    • Wind Turbine2Wind
    • Energy Storage1Energy storage
    Order
    1. ShipyardShipyard after 3 mex, 2 wind, 1 energy storagedone ~1:57, middle half 1:45–2:08

    By 1:41 in all: 3 mex · 2 wind · 1 energy storage

    The example game in this phase · 7 steps
    1. Mex ×3
    2. Wind
    3. Solar
    4. Wind ×2for Air
    5. Energy storage
    6. Wind
    7. ShipyardShipyarddone 1:57 · typical 1:57
  2. 2

    Shipyard to 5:00

    Economy
    • Metal Extractor5Mex
    • Tidal Generator1Tidal
    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 (42%) · wind (41%) · submarine (40%) · con turret (35%) · gunboat (34%)

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

    The example game in this phase · 18 steps
    1. HerringMissile corvette ×2
    2. Construction ShipCon ship ×2
    3. SupporterGunboat
    4. Mex
    5. SupporterGunboat ×3
    6. Mex
    7. OppressorDestroyerdone 4:31 · typical 5:09
    8. Mex
    9. SlingshotSlingshot
    10. Con turret
    11. Mex
    12. Tidal ×3
    13. SupporterGunboat
    14. Converter
    15. SupporterGunboat ×2
    16. Converter
    17. Mex
    18. SupporterGunboat
  3. 3

    5:00 to 10:00

    Economy
    • Metal Extractor1Mex
    • Wind Turbine10Wind
    Builders
    • Death Cavalry1 Death Cavalry
    • Construction Ship1 Con ship
    Army
    • Riptide5 Frigate
    • Oppressor2 Destroyer
    • Herring2 Missile corvette
    Other
    • Naval Radar / Sonar Tower1 Naval Radar / Sonar Tower

    Some games also: Urchin (50%) · Naval Construction Turret (47%) · Guard (47%) · Radar Tower (41%) · tidal (38%)

    By 10:00 in all: 9 mex · 12 wind · 4 wind · 4 tidal · 1 energy storage · 1 Naval Construction Turret

    The example game in this phase · 92 steps
    1. RiptideFrigatedone 5:19 · typical 3:51
    2. Wind
    3. UrchinUrchin
    4. RiptideFrigate
    5. Wind ×3
    6. RiptideFrigate
    7. Wind ×3
    8. HerringMissile corvette
    9. Wind ×2
    10. RiptideFrigate
    11. Wind
    12. RiptideFrigate
    13. Wind
    14. RiptideFrigate
    15. Wind
    16. OppressorDestroyer
    17. Wind
    18. Dragon's MawDragon's Maw
    19. Wind
    20. Bot LabBot Labnot finished by 15:00
    21. Wind
    22. Dragon's MawDragon's Maw
    23. Death CavalryDeath Cavalry
    24. Wind
    25. HerringMissile corvette
    26. Wind
    27. RiptideFrigate
    28. Wind
    29. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    30. RiptideFrigate
    31. Wind
    32. RiptideFrigate
    33. Wind
    34. OppressorDestroyer
    35. Wind
    36. SupporterGunboat ×3
    37. Wind
    38. SupporterGunboat ×3
    39. Naval Construction Turret
    40. Death CavalryDeath Cavalry
    41. Naval Construction Turret
    42. Advanced Metal ExtractorT2 mexdone 11:15 · typical 9:57
    43. BeholderBeholder
    44. HerringMissile corvette
    45. Tidal
    46. BeholderBeholder
    47. RiptideFrigate
    48. Tidal
    49. RiptideFrigate
    50. BeholderBeholder
    51. Naval Construction Turret
    52. RiptideFrigate
    53. Naval Construction Turret
    54. Seaplane PlatformSeaplane Platformdone 11:26
    55. Death CavalryDeath Cavalry
    56. Advanced Metal ExtractorT2 mex
    57. HerringMissile corvette
    58. SupporterGunboat
    59. SlingshotSlingshot
    60. SupporterGunboat
    61. SlingshotSlingshot
    62. SupporterGunboat ×3
    63. CutlassSeaplane gunship
    64. SupporterGunboat
    65. UrchinUrchin
    66. CutlassSeaplane gunship
    67. SupporterGunboat
    68. Tidal
    69. CutlassSeaplane gunship
    70. Advanced Metal ExtractorT2 mex
    71. Tidal
    72. Mex
    73. Tidal ×2
    74. CutlassSeaplane gunship
    75. Tidal
    76. Mex
    77. Tidal
    78. CutlassSeaplane gunship
    79. Tidal ×2
    80. CutlassSeaplane gunship ×2
    81. Tidal
    82. CutlassSeaplane gunship
    83. Tidal
    84. Advanced Metal ExtractorT2 mex
    85. CutlassSeaplane gunship ×2
    86. Tidal
    87. Advanced ShipyardAdvanced Shipyarddone 14:55
    88. WatcherRadar plane
    89. BatSeaplane fighter ×2
    90. Advanced Construction SubAdvanced Construction Sub
    91. UrchinUrchin
    92. BatSeaplane fighter

Counts are medians over the build's games: half of them build more, half fewer. The example game is PRO_HYDRA's (54 OS, 10/09/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine3 Wind to Airfirst at 1:54 · in 79% of games

You get

  • Finch1 Finch from Airfirst at 1:58 · in 81% of games
  • Lazarus1 Lazarus from Geofirst at 2:14 · in 62% of games
  • Hephaestus1 Heavy transport from Airfirst at 2:16 · in 68% of games
  • Construction Bot1 Con bot from Geofirst at 2:29 · in 69% of games
  • Hercules1 Light transport from Airfirst at 2:35 · in 31% of games
  • Advanced Construction Bot1 T2 con bot from Techfirst at 8:09 · in 88% 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

789 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0040300
2:0093700
3:00156300
4:002522050
5:003699194100
6:005026532250
7:0064731100588
8:00808018571041
9:00968328851621
10:001160240232345
11:001382252273090
12:001635262003851
13:001911172574621
14:002186583045721
15:002487692656531
WHAT THE NUMBERS SAY

Standard Beach sea wins more than Geo sea's 50% and gets its Shipyard up faster, using early sea access before falling behind on land resources.

  • + Shipyard finishes by 1:57, faster than Geo sea's 3:18
  • + 54% team win rate beats the Cortex geo sea baseline
  • − Metal produced trails Geo sea's Cortex build, 24356 vs 28451 by 15:00
  • − T2 factory only lands in 35% of games by 12:42
THE EXAMPLE YOU ARE READING

PRO_HYDRA

54.3 OS · 10/09/2026

Open source match ↗

5 received units · includes a constructor
426 metal received · 60671 energy received

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

Typical milestones

Shipyard1:57Middle 50%: 1:45–2:08 · n=787
Riptide3:51Middle 50%: 3:15–4:31 · n=782
Oppressor5:09Middle 50%: 4:11–6:07 · n=764
Advanced Metal Extractor9:57Middle 50%: 9:15–10:53 · n=667

Played most by

EpicTyrannus68games of this buildDamsko64games of this buildWaboum64games of this buildPRO_HYDRA54games of this buildMrCoolPotato51games of this build