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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 (93%)

#naval #eco · 1584 distinct matches · 206 players · 84% of Cortex Beach sea games · team won 55% of 1788 · Recently observed

HOW TO PLAY IT

Key timing: Shipyard by 1:56

  1. Open 3 mex, then send com to sea to build Shipyard by 1:56.
  2. Add tidal generators, wind and more mex to fund the shipyard.
  3. Pump Riptide first, then Oppressor to contest enemy sea entry.
  4. Get T2 constructor out to start scaling the naval economy.
  5. Transition into Advanced Metal Extractor as the economy phase begins.

Phase by phase

TYPICAL OF ITS 1584 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 ~1:56, middle half 1:43–2:07

    Some games also: Guard (30%)

    By 1:39 in all: 3 mex · 2 wind · 1 energy storage

    The example game in this phase · 17 steps
    1. Mex ×3
    2. Wind ×3for Air
    3. Wind
    4. Energy storage
    5. Hovercraft PlatformHovercraft Platformdone 1:59
    6. GuardGuard ×2
    7. Wind
    8. GoonGoon
    9. Wind ×2
    10. GoonGoon ×2
    11. Construction HovercraftCon hovercraft ×3
    12. Mex
    13. GoonGoon ×2
    14. Mex
    15. Naval Construction Turret
    16. Mex ×2
    17. ShipyardShipyarddone 4:27 · 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%) · mex (38%) · wind (37%) · submarine (36%) · wind (36%)

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

    The example game in this phase · 5 steps
    1. OrcaSubmarinedone 4:49
    2. Con turret
    3. OrcaSubmarine
    4. Mex
    5. Hovercraft PlatformEat Hovercraft Platformreclaimed for its metal
  3. 3

    5:00 to 10:00

    Economy
    • Metal Extractor1Mex
    • Wind Turbine8Wind
    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 (39%) · tidal (39%) · wind (34%)

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

    The example game in this phase · 142 steps
    1. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    2. JellyfishJellyfish
    3. UrchinUrchinfor Pond
    4. Wind
    5. Mex
    6. Wind ×2
    7. Mex
    8. Wind ×3
    9. Death CavalryDeath Cavalry
    10. Wind
    11. Radar TowerRadar Tower
    12. Wind
    13. SupporterGunboat
    14. ThistleThistle
    15. Converter
    16. UrchinUrchin
    17. JellyfishJellyfish
    18. Converter
    19. SupporterGunboat
    20. UrchinUrchin
    21. Con turret
    22. Converter
    23. SupporterGunboat
    24. Wind
    25. SupporterGunboat
    26. Wind
    27. SupporterGunboat
    28. Wind
    29. SupporterGunboat
    30. GuardGuard
    31. Wind ×3
    32. SupporterGunboat
    33. Wind ×2
    34. Death CavalryDeath Cavalry
    35. Wind
    36. GuardGuard
    37. Wind
    38. Con turret
    39. Wind ×2
    40. GuardGuard
    41. Con turret
    42. UrchinUrchinfor Pond
    43. OppressorDestroyerdone 10:13 · typical 5:15
    44. Advanced Metal ExtractorT2 mex ×2not finished by 15:00 · typical 9:58
    45. Con turret ×2
    46. Advanced Metal ExtractorT2 mex
    47. Con turret
    48. HerringMissile corvette ×2
    49. Wind ×2
    50. HerringMissile corvette
    51. Wind ×3
    52. OppressorDestroyer
    53. Wind
    54. Advanced Metal ExtractorT2 mex
    55. Wind ×2
    56. UrchinUrchin
    57. Wind
    58. Converter
    59. Wind ×2
    60. Converter
    61. Wind ×2
    62. Converter
    63. Wind
    64. Construction ShipCon ship
    65. Wind ×3
    66. Converter
    67. HerringMissile corvette
    68. Wind ×2
    69. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    70. Converter
    71. Wind
    72. HerringMissile corvette
    73. Wind
    74. Converter
    75. Wind
    76. HerringMissile corvette
    77. UrchinUrchin
    78. Wind ×2
    79. OppressorDestroyer
    80. Wind ×2
    81. Converter
    82. Wind
    83. Con turret
    84. Converter
    85. Wind ×2
    86. HerringMissile corvette
    87. Converter
    88. Wind
    89. Advanced Metal ExtractorT2 mex
    90. Wind
    91. HerringMissile corvette
    92. Wind ×2
    93. HerringMissile corvette
    94. Con turret
    95. Wind
    96. HerringMissile corvette
    97. Wind ×3
    98. Naval Construction Turret
    99. HerringMissile corvette
    100. Wind ×7
    101. Naval Construction Turret
    102. Wind ×4
    103. HerringMissile corvette
    104. Death CavalryDeath Cavalry
    105. Wind ×2
    106. Naval Construction Turret
    107. Wind ×2
    108. Converter ×2
    109. Con turret
    110. Converter ×4
    111. Death CavalryDeath Cavalry
    112. Wind
    113. Naval Construction Turret
    114. Wind ×7
    115. Death CavalryDeath Cavalry
    116. Mex
    117. Wind ×2
    118. Naval Construction Turret
    119. Wind ×6
    120. HerringMissile corvette
    121. Advanced ShipyardAdvanced Shipyardnot finished by 15:00
    122. Con turret
    123. Wind ×2
    124. HerringMissile corvette
    125. Con turret
    126. Wind
    127. Fusion ReactorFusionnot finished by 15:00
    128. Wind
    129. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    130. Converter
    131. Wind
    132. HerringMissile corvette
    133. Converter ×2
    134. Wind ×2
    135. HerringMissile corvette
    136. Wind ×3
    137. UrchinUrchin
    138. Wind
    139. OppressorDestroyer
    140. Wind ×5
    141. UrchinUrchin
    142. Wind ×2

Counts are medians over the build's games: half of them build more, half fewer. The example game is XuunnY's (33 OS, 12/10/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine3 Wind to Airfirst at 1:46 · in 77% of games

You get

  • Finch1 Finch from Airfirst at 2:00 · in 80% of games
  • Lazarus1 Lazarus from Geofirst at 2:13 · in 63% of games
  • Hephaestus1 Heavy transport from Airfirst at 2:16 · in 64% of games
  • Construction Bot1 Con bot from Geofirst at 2:26 · in 70% of games
  • Hercules1 Light transport from Airfirst at 2:34 · in 32% of games
  • Advanced Construction Bot1 T2 con bot from Techfirst at 8:08 · 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

1788 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0040300
2:0093700
3:00155300
4:002540051
5:003717178101
6:005047485280
7:006492974594
8:00807016681001
9:00967726081532
10:001153637112321
11:001368547433104
12:001625058443875
13:001895468744648
14:002167279145686
15:002457688436511
WHAT THE NUMBERS SAY

Standard Beach sea play has the lowest team win rate of these builds and destroys far less enemy metal early than it loses eco time.

  • + Metal produced climbs to 24945 by 15:00, the highest of all six roles.
  • + Riptide and Oppressor together make 63% of army, a focused naval composition.
  • − Enemy metal destroyed is only 200 by 5:00, barely contesting early sea.
  • − T2 factory only reached in 35% of games, behind other roles' T2 timing.
THE EXAMPLE YOU ARE READING

XuunnY

33.0 OS · 12/10/2026

Open source match ↗

9 received units · includes a constructor
364 metal received · 82868 energy received

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

Typical milestones

Shipyard1:56Middle 50%: 1:43–2:07 · n=1785
Riptide3:50Middle 50%: 3:12–4:34 · n=1742
Oppressor5:15Middle 50%: 4:29–6:06 · n=1721
Advanced Metal Extractor9:58Middle 50%: 9:17–10:54 · n=1512

Played most by

EpicTyrannus120games of this buildDamsko69games of this buildKbot_my_Ahole67games of this buildWaboum64games of this buildPRO_HYDRA63games of this build
Standard beach sea · Cortex Beach sea build order · BAR Build Atlas