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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 · 3 steps
    1. Mex ×3
    2. Wind ×8for Geo
    3. ShipyardShipyarddone 1:56 · 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 · 19 steps
    1. Tidal
    2. Construction ShipCon ship
    3. Tidal ×2
    4. Construction ShipCon ship
    5. HerringMissile corvette
    6. Mex
    7. Naval Construction Turret
    8. RiptideFrigatedone 3:24 · typical 3:51
    9. Tidal
    10. Converter
    11. Mex
    12. Converter
    13. Mex ×2
    14. SupporterGunboat
    15. Death CavalryDeath Cavalry
    16. Con turret
    17. SupporterGunboat
    18. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    19. Mex ×3
  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 · 163 steps
    1. Wind ×2
    2. Naval Construction Turret
    3. Radar TowerRadar Tower
    4. Con turret ×2
    5. Wind ×3
    6. JellyfishJellyfish
    7. Wind
    8. ThistleThistle
    9. Wind
    10. OppressorDestroyerdone 6:43 · typical 5:09
    11. Advanced Metal ExtractorT2 mexdone 6:42 · typical 9:57
    12. Wind
    13. GuardGuard
    14. Wind
    15. RiptideFrigate
    16. GuardGuard
    17. Wind
    18. Advanced Metal ExtractorT2 mex
    19. Wind
    20. HerringMissile corvette
    21. OppressorDestroyer
    22. Wind ×2
    23. Advanced Metal ExtractorT2 mex
    24. Wind
    25. RiptideFrigate
    26. Wind
    27. GuardGuard
    28. Wind ×2
    29. HerringMissile corvette
    30. Wind ×2
    31. OppressorDestroyer
    32. Mex
    33. ThistleThistle
    34. Wind ×2
    35. Advanced Metal ExtractorT2 mex
    36. Death CavalryDeath Cavalry
    37. Wind ×2
    38. GuardGuard
    39. Wind ×2
    40. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    41. Death CavalryDeath Cavalry
    42. Wind ×2
    43. Bot LabBot Labdone 9:18
    44. Wind
    45. RiptideFrigate
    46. Wind ×2
    47. HerringMissile corvette
    48. Wind
    49. GruntGrunt
    50. OppressorDestroyer
    51. Wind
    52. GruntGrunt
    53. Wind
    54. GruntGrunt
    55. Wind
    56. GruntGrunt
    57. Wind
    58. GruntGrunt ×2
    59. Wind
    60. GruntGrunt
    61. Wind
    62. RiptideFrigate
    63. GruntGrunt
    64. Wind ×3
    65. HerringMissile corvette
    66. Wind
    67. OppressorDestroyer
    68. Wind ×2
    69. Naval Construction Turret
    70. Aircraft PlantAircraft Plantdone 10:33
    71. Advanced ShipyardAdvanced Shipyarddone 11:14
    72. Wind ×2
    73. RiptideFrigate
    74. Wind
    75. Construction ShipCon ship
    76. Wind ×2
    77. StorkLight transport
    78. Wind
    79. StorkLight transport ×2
    80. Wind
    81. Construction ShipCon ship
    82. Advanced Construction SubAdvanced Construction Sub
    83. Construction ShipCon ship
    84. Wind ×2
    85. Bot LabBot Labdone 11:53
    86. PathfinderPathfinder
    87. Construction ShipCon ship
    88. Advanced Metal ExtractorT2 mex
    89. PathfinderPathfinder
    90. Construction ShipCon ship
    91. Tidal
    92. PathfinderPathfinder
    93. PawnPawn
    94. Naval Advanced Metal ExtractorNaval Advanced Metal Extractordone 12:20
    95. PawnPawn ×3
    96. Tidal
    97. PawnPawn
    98. Advanced Metal ExtractorT2 mex
    99. PawnPawn ×2
    100. Tidal
    101. Naval Energy Converter
    102. PawnPawn ×2
    103. Tidal
    104. PawnPawn
    105. Naval Energy Converter
    106. Naval Advanced Metal ExtractorNaval Advanced Metal Extractor
    107. PawnPawn
    108. Tidal
    109. PawnPawn
    110. Naval Energy Converter
    111. PawnPawn
    112. Tidal
    113. PawnPawn ×2
    114. Naval Energy Converter
    115. DespotBattleshipnot finished by 15:00
    116. PawnPawn
    117. Tidal
    118. MessengerCruise missile shipdone 13:25
    119. PawnPawn
    120. Naval Energy Converter
    121. PawnPawn ×2
    122. Tidal
    123. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    124. Naval Advanced Metal ExtractorNaval Advanced Metal Extractor
    125. PawnPawn
    126. Naval Energy Converter
    127. PawnPawn
    128. Tidal
    129. MessengerCruise missile ship
    130. PawnPawn ×2
    131. Naval Energy Converter
    132. Tidal
    133. PawnPawn
    134. Naval Energy Converter
    135. Tidal
    136. PawnPawn ×2
    137. Tidal
    138. Naval Energy Converter
    139. PawnPawn
    140. Amphibious ComplexAmphibious Complexdone 14:48
    141. PawnPawn
    142. BeamerBeamer
    143. PawnPawn
    144. Tidal
    145. Naval Energy Converter
    146. Tidal
    147. PawnPawn
    148. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    149. Naval Energy Converter
    150. Naval Advanced Metal ExtractorNaval Advanced Metal Extractor
    151. PawnPawn ×2
    152. Tidal
    153. Naval Energy Converter
    154. PawnPawn
    155. Radar TowerRadar Tower
    156. PawnPawn
    157. Tidal
    158. Naval Energy Converter
    159. PawnPawn
    160. Naval Construction Turret
    161. PawnPawn ×4
    162. SalamanderSalamander
    163. Naval Construction Turret

Counts are medians over the build's games: half of them build more, half fewer. The example game is WaterBoy's (37 OS, 23/09/2026); 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

WaterBoy

37.1 OS · 23/09/2026

Open source match ↗

11 received units · includes a constructor
317 metal received · 61116 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