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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 · 806 distinct matches · 107 players · 84% of Cortex Beach sea games · team won 55% of 871 · 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 806 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 · 6 steps
    1. Mex ×3
    2. Wind ×3
    3. Windfor Air
    4. Energy storage
    5. Windfor Air
    6. ShipyardShipyarddone 1:58 · typical 1:57
  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 (43%) · wind (40%) · submarine (39%) · gunboat (36%) · con turret (35%)

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

    The example game in this phase · 22 steps
    1. Construction ShipCon ship ×2
    2. HerringMissile corvette
    3. Mex
    4. HerringMissile corvette
    5. OrcaSubmarinedone 2:46
    6. Mex
    7. RiptideFrigatedone 3:11 · typical 3:52
    8. Mex
    9. RiptideFrigate
    10. SlingshotSlingshot
    11. Mex
    12. RiptideFrigate
    13. Tidal
    14. Mex
    15. OppressorDestroyerdone 5:17 · typical 5:11
    16. Tidal
    17. Mex
    18. Con turret
    19. Mex
    20. GuardGuard
    21. Mex
    22. GuardGuard
  3. 3

    5:00 to 10:00

    Economy
    • Metal Extractor1Mex
    • Wind Turbine10Wind
    Builders
    • Death Cavalry1 Death Cavalry
    • Construction Ship1 Con ship
    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 (48%) · Guard (47%) · Radar Tower (41%) · tidal (38%) · con turret (34%)

    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 · 91 steps
    1. ThistleThistle
    2. Mex
    3. HerringMissile corvette
    4. Converter
    5. HerringMissile corvette
    6. ThistleThistle
    7. OppressorDestroyer
    8. Mex
    9. Converter
    10. Radar TowerRadar Tower
    11. Wind
    12. SupporterGunboat
    13. Wind
    14. SupporterGunboat ×2
    15. Wind
    16. SupporterGunboat ×5
    17. Wind
    18. SupporterGunboat
    19. Wind
    20. SupporterGunboat
    21. Wind
    22. OppressorDestroyer
    23. Wind ×2
    24. OppressorDestroyer
    25. Wind
    26. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    27. Naval Construction Turret
    28. Wind
    29. Construction ShipCon ship
    30. Tidal
    31. Construction ShipCon ship
    32. Wind
    33. Tidal
    34. Wind
    35. Tidal
    36. Naval Energy Converter
    37. Wind
    38. Tidal ×2
    39. Naval Energy Converter
    40. GuardGuard
    41. Wind
    42. Tidal
    43. Wind
    44. GuardGuard
    45. Naval Energy Converter
    46. Tidal
    47. Naval Energy Converter
    48. Wind
    49. Tidal
    50. Naval Energy Converter ×3
    51. Tidal
    52. Naval Energy Converter
    53. Con turret
    54. Naval Energy Storage
    55. Naval Metal Storage
    56. Tidal
    57. Advanced Metal ExtractorT2 mexdone 11:39 · typical 9:57
    58. Tidal ×9
    59. Advanced Metal ExtractorT2 mex
    60. Tidal
    61. Advanced ShipyardAdvanced Shipyarddone 12:45
    62. Tidal ×2
    63. Advanced Metal ExtractorT2 mex
    64. Tidal
    65. Advanced Metal ExtractorT2 mex
    66. Tidal
    67. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    68. Tidal ×2
    69. Advanced Construction SubAdvanced Construction Sub
    70. Fusion ReactorFusiondone 14:01
    71. Tidal
    72. PathfinderPathfinder ×2
    73. Tidal
    74. PathfinderPathfinder
    75. Naval Advanced Metal ExtractorNaval Advanced Metal Extractordone 14:04
    76. Tidal
    77. T2 converter
    78. Naval Advanced Metal ExtractorNaval Advanced Metal Extractor
    79. Wind
    80. Seaplane PlatformSeaplane Platformnot finished by 15:00
    81. Wind
    82. Converter
    83. Advanced Metal ExtractorT2 mex
    84. BrimstoneAnti-swarm shipnot finished by 15:00
    85. Wind
    86. Converter
    87. Naval Advanced Metal ExtractorNaval Advanced Metal Extractor
    88. Wind
    89. Converter
    90. Tidal
    91. Wind

Counts are medians over the build's games: half of them build more, half fewer. The example game is PRO_HYDRA's (50 OS, 30/09/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine3 Wind to Airfirst at 1:53 · in 79% of games

You get

  • Finch1 Finch from Airfirst at 1:58 · in 83% 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 2:28 · in 69% of games
  • Hercules1 Light transport from Airfirst at 2:34 · in 32% 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

871 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0040300
2:0093700
3:00156800
4:0025282150
5:003701197100
6:005032535251
7:0064751096588
8:00807018261019
9:00968228541610
10:001159139942334
11:001381852133090
12:001635661643821
13:001917072004611
14:002196183045717
15:002495292706561
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

50.2 OS · 30/09/2026

Open source match ↗

8 received units · includes a constructor
42 metal received · 45059 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=869
Riptide3:52Middle 50%: 3:16–4:34 · n=857
Oppressor5:11Middle 50%: 4:15–6:08 · n=842
Advanced Metal Extractor9:57Middle 50%: 9:16–10:53 · n=739

Played most by

EpicTyrannus85games of this buildDamsko66games of this buildWaboum64games of this buildPRO_HYDRA60games of this buildMrCoolPotato51games of this build
Standard beach sea · Cortex Beach sea build order · BAR Build Atlas