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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 · 772 distinct matches · 104 players · 84% of Cortex Beach sea games · team won 55% of 835 · 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 772 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 · 5 steps
    1. Mex ×3
    2. Wind ×2
    3. Wind ×3for Air
    4. Energy storage
    5. ShipyardShipyarddone 1:56 · 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 (35%) · con turret (35%)

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

    The example game in this phase · 16 steps
    1. Tidal
    2. Construction ShipCon ship ×2
    3. Tidal
    4. HerringMissile corvette
    5. Mex ×2
    6. RiptideFrigatedone 3:10 · typical 3:52
    7. Mex ×2
    8. RiptideFrigate
    9. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    10. UrchinUrchin
    11. Con turret
    12. OppressorDestroyerdone 4:57 · typical 5:08
    13. Mex ×3
    14. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    15. GuardGuard ×2
    16. HerringMissile corvette
  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 (48%) · 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 · 124 steps
    1. GuardGuard
    2. RiptideFrigate
    3. GuardGuard
    4. Con turret
    5. GuardGuard
    6. OrcaSubmarinedone 6:33
    7. Radar TowerRadar Tower
    8. ThistleThistle
    9. Death CavalryDeath Cavalry
    10. Wind
    11. Construction ShipCon ship
    12. Wind ×2
    13. RiptideFrigate
    14. Wind ×2
    15. RiptideFrigate
    16. Wind
    17. Construction ShipCon ship
    18. Wind
    19. OppressorDestroyer
    20. Wind ×3
    21. Advanced Metal ExtractorT2 mexdone 8:52 · typical 9:57
    22. Wind
    23. HerringMissile corvette
    24. RiptideFrigate
    25. Death CavalryDeath Cavalry
    26. Wind
    27. Advanced Metal ExtractorT2 mex
    28. Construction ShipCon ship
    29. Wind
    30. Naval Construction Turret
    31. Construction ShipCon ship
    32. Con turret
    33. RiptideFrigate
    34. Metal storage
    35. RiptideFrigate
    36. Metal storage
    37. OppressorDestroyer
    38. Advanced Metal ExtractorT2 mex
    39. Wind
    40. Construction ShipCon ship
    41. Dragon's MawDragon's Maw
    42. Tidal ×3
    43. Shark's TeethShark's Teeth
    44. Wind
    45. Shark's TeethShark's Teeth ×2
    46. HerringMissile corvette
    47. Tidal
    48. RiptideFrigate
    49. Wind
    50. Tidal
    51. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    52. Tidal ×3
    53. Wind
    54. Tidal
    55. Death CavalryDeath Cavalry
    56. Wind
    57. Tidal ×2
    58. Wind
    59. Construction ShipCon ship
    60. RiptideFrigate
    61. Wind
    62. RiptideFrigate
    63. Wind
    64. Mex
    65. Advanced Metal ExtractorT2 mex
    66. Wind
    67. OppressorDestroyer
    68. Wind ×2
    69. Bot LabBot Labnot finished by 15:00
    70. Con turret ×2
    71. HerringMissile corvette
    72. Mex
    73. Bot LabBot Labdone 12:48
    74. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    75. Naval Construction Turret
    76. Naval Hovercraft PlatformNaval Hovercraft Platformdone 13:06
    77. Wind ×2
    78. Naval Construction Turret
    79. Wind ×3
    80. Naval Construction Turret
    81. Wind
    82. Advanced ShipyardAdvanced Shipyarddone 14:05
    83. Naval Construction Turret
    84. Wind ×3
    85. MangonelHover rocket bot
    86. Wind ×2
    87. Construction BotCon bot
    88. MangonelHover rocket bot
    89. Naval Energy Converter
    90. Wind
    91. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    92. Wind ×2
    93. Construction BotCon bot
    94. MangonelHover rocket bot
    95. Naval Energy Converter
    96. Wind
    97. Construction BotCon bot
    98. Wind
    99. Advanced Construction SubAdvanced Construction Sub
    100. Naval Energy Converter
    101. Wind
    102. Advanced Metal ExtractorT2 mex
    103. Construction BotCon bot
    104. Wind
    105. Naval Energy Converter
    106. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    107. Construction BotCon bot
    108. Wind
    109. Con turret
    110. PathfinderPathfinder
    111. Naval Energy Converter
    112. Wind
    113. Construction BotCon bot
    114. Wind
    115. PathfinderPathfinder
    116. Construction BotCon bot
    117. Naval Energy Converter
    118. Wind
    119. Naval Advanced Metal ExtractorNaval Advanced Metal Extractornot finished by 15:00
    120. PathfinderPathfinder
    121. Construction BotCon bot
    122. Naval Energy Converter
    123. Wind
    124. Naval Energy Converter

Counts are medians over the build's games: half of them build more, half fewer. The example game is Graceful's (35 OS, 02/09/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine3 Wind to Airfirst at 1:53 · in 78% of games

You get

  • Finch1 Finch from Airfirst at 1:58 · in 82% of games
  • Lazarus1 Lazarus from Geofirst at 2:14 · in 61% of games
  • Hephaestus1 Heavy transport from Airfirst at 2:16 · in 69% of games
  • Construction Bot1 Con bot from Geofirst at 2:28 · in 69% of games
  • Hercules1 Light transport from Airfirst at 2:35 · 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

835 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0040300
2:0093700
3:00156500
4:002523050
5:003700197100
6:005029535251
7:0064741100590
8:00807018551041
9:00967728731621
10:001159240072365
11:001380852273102
12:001636062233842
13:001911472554615
14:002195382755711
15:002492992656526
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

Graceful

35.2 OS · 02/09/2026

Open source match ↗

7 received units · includes a constructor
632 metal received · 83276 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=833
Riptide3:52Middle 50%: 3:16–4:34 · n=826
Oppressor5:08Middle 50%: 4:12–6:06 · n=807
Advanced Metal Extractor9:57Middle 50%: 9:15–10:53 · n=708

Played most by

EpicTyrannus78games of this buildDamsko66games of this buildWaboum64games of this buildPRO_HYDRA57games of this buildMrCoolPotato51games of this build