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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 · 812 distinct matches · 107 players · 84% of Cortex Beach sea games · team won 55% of 877 · 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 812 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 1:44–2:08

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

    The example game in this phase · 11 steps
    1. Mex ×3
    2. Windfor Air
    3. Wind ×2
    4. Windfor Air
    5. Bot LabBot Labdone 1:12
    6. Wind
    7. GraverobberGraverobber ×2
    8. Wind
    9. Construction BotCon bot ×3
    10. GruntGrunt
    11. ShipyardShipyarddone 2:48 · 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 · 15 steps
    1. Mex
    2. Construction ShipCon ship ×2
    3. OrcaSubmarinedone 3:40
    4. Mex ×2
    5. RiptideFrigatedone 4:04 · typical 3:52
    6. Mex
    7. GuardGuard
    8. Wind
    9. RiptideFrigate
    10. Mex ×2
    11. Wind
    12. RiptideFrigate
    13. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    14. Mex
    15. ShipyardShipyarddone 5:17
  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 · 95 steps
    1. Wind
    2. OppressorDestroyernot finished by 15:00 · typical 5:11
    3. RiptideFrigate
    4. Wind
    5. RiptideFrigate
    6. Wind ×2
    7. RiptideFrigate
    8. Wind ×2
    9. RiptideFrigate
    10. Wind ×3
    11. Death CavalryDeath Cavalry
    12. Wind
    13. RiptideFrigate
    14. Wind ×2
    15. UrchinUrchin
    16. RiptideFrigate
    17. Wind ×3
    18. HerringMissile corvette
    19. Wind
    20. OppressorDestroyer
    21. Wind
    22. Energy storage
    23. Death CavalryDeath Cavalry
    24. RiptideFrigate
    25. UrchinUrchin
    26. Con turret
    27. Death CavalryDeath Cavalry
    28. RiptideFrigate
    29. Wind
    30. RiptideFrigate
    31. Wind
    32. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    33. Wind ×2
    34. RiptideFrigate
    35. Wind
    36. SlingshotSlingshot
    37. Wind
    38. HerringMissile corvette
    39. Wind
    40. SlingshotSlingshot
    41. Wind
    42. RiptideFrigate
    43. Wind ×2
    44. RiptideFrigate
    45. Wind
    46. Advanced Metal ExtractorT2 mexdone 10:20 · typical 9:58
    47. Wind
    48. RiptideFrigate
    49. Wind
    50. RiptideFrigate
    51. Wind
    52. UrchinUrchin
    53. Wind
    54. UrchinUrchin
    55. RiptideFrigate
    56. Advanced Metal ExtractorT2 mex
    57. Wind
    58. JellyfishJellyfish
    59. OppressorDestroyer ×2
    60. Advanced Metal ExtractorT2 mex
    61. RiptideFrigate
    62. OppressorDestroyer
    63. Con turret
    64. Naval Construction Turret
    65. OppressorDestroyer
    66. Wind
    67. Con turret
    68. Advanced Metal ExtractorT2 mex
    69. Wind
    70. Naval Construction Turret
    71. Wind ×5
    72. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    73. Wind ×2
    74. OppressorDestroyer
    75. Wind ×5
    76. OppressorDestroyer
    77. Advanced Metal ExtractorT2 mex
    78. Wind ×3
    79. Naval Construction Turret
    80. Wind ×2
    81. Death CavalryDeath Cavalry
    82. UrchinUrchin
    83. Wind
    84. UrchinUrchin
    85. Wind ×3
    86. Death CavalryDeath Cavalry
    87. Wind ×2
    88. UrchinUrchin
    89. Advanced Metal ExtractorT2 mex
    90. Wind ×2
    91. Naval Construction Turret
    92. Wind
    93. HerringMissile corvette
    94. Wind
    95. OppressorDestroyer

Counts are medians over the build's games: half of them build more, half fewer. The example game is avaken's (43 OS, 11/08/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine3 Wind to Airfirst at 1:52 · in 79% of games

You get

  • Finch1 Finch from Airfirst at 1:58 · in 82% of games
  • Lazarus1 Lazarus from Geofirst at 2:13 · 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

877 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0040300
2:0093700
3:00156800
4:0025312150
5:003701197100
6:005032534254
7:0064761096590
8:00807618331031
9:00968328541610
10:001159239942340
11:001382252133090
12:001635261643821
13:001911472004611
14:002195382755717
15:002492992706561
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

avaken

43.5 OS · 11/08/2026

Open source match ↗

2 received units · includes a constructor
1641 metal received · 10095 energy received

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

Typical milestones

Shipyard1:57Middle 50%: 1:44–2:08 · n=875
Riptide3:52Middle 50%: 3:16–4:34 · n=863
Oppressor5:11Middle 50%: 4:16–6:08 · n=848
Advanced Metal Extractor9:58Middle 50%: 9:16–10:53 · n=743

Played most by

EpicTyrannus85games of this buildDamsko67games of this buildWaboum64games of this buildPRO_HYDRA60games of this buildMrCoolPotato51games of this build