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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 · 796 distinct matches · 106 players · 84% of Cortex Beach sea games · team won 55% of 859 · 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 796 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 · 9 steps
    1. Mex ×3
    2. Solar
    3. Wind
    4. Windfor Air
    5. Wind
    6. Energy storage
    7. Windfor Air
    8. Wind
    9. ShipyardShipyarddone 2:07 · 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 (36%)

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

    The example game in this phase · 16 steps
    1. Construction ShipCon ship ×2
    2. HerringMissile corvette
    3. Tidal
    4. HerringMissile corvette
    5. Mex ×2
    6. SupporterGunboat ×2
    7. Mex
    8. SupporterGunboat
    9. RiptideFrigatedone 3:59 · typical 3:52
    10. Mex ×2
    11. Naval Energy Converter
    12. UrchinUrchin
    13. OrcaSubmarinedone 4:34
    14. Con turret
    15. RiptideFrigate
    16. SupporterGunboat
  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 (35%)

    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 · 118 steps
    1. JellyfishJellyfish
    2. RiptideFrigate
    3. UrchinUrchin
    4. Mex
    5. Wind
    6. Con turret
    7. Mex
    8. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    9. GuardGuard
    10. Mex
    11. Wind ×4
    12. Radar TowerRadar Tower
    13. Wind ×6
    14. Converter ×3
    15. OppressorDestroyerdone 7:37 · typical 5:10
    16. Converter
    17. SupporterGunboat
    18. Wind
    19. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    20. HerringMissile corvette
    21. Wind
    22. HerringMissile corvette
    23. Wind
    24. UrchinUrchin
    25. HerringMissile corvette
    26. Wind
    27. Naval Hovercraft PlatformNaval Hovercraft Platformdone 8:32
    28. Wind
    29. Construction ShipCon ship
    30. Wind ×3
    31. Construction ShipCon ship
    32. Naval Construction Turret
    33. UrchinUrchin
    34. Construction ShipCon ship
    35. Naval Construction Turret
    36. CaymanCayman
    37. OppressorDestroyer
    38. Mex
    39. Naval Construction Turret
    40. Tidal ×2
    41. CaymanCayman
    42. BeholderBeholder
    43. Tidal
    44. Con turret
    45. Advanced Metal ExtractorT2 mexdone 10:26 · typical 9:57
    46. Tidal
    47. BeholderBeholder
    48. Tidal ×2
    49. CaymanCayman
    50. Tidal
    51. BeholderBeholder
    52. Tidal
    53. MangonelHover rocket bot
    54. Tidal
    55. BeholderBeholder
    56. Tidal
    57. MangonelHover rocket bot
    58. Tidal
    59. CaymanCayman ×2
    60. Advanced Metal ExtractorT2 mex
    61. Naval Energy Converter
    62. CaymanCayman
    63. Tidal
    64. Naval Energy Converter
    65. Tidal
    66. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    67. Naval Energy Converter
    68. Tidal
    69. CaymanCayman
    70. Dragon's MawDragon's Maw
    71. Advanced Metal ExtractorT2 mex
    72. Tidal ×4
    73. CaymanCayman
    74. Naval Energy Converter
    75. Tidal
    76. CaymanCayman
    77. Tidal ×2
    78. Naval Energy Converter
    79. CaymanCayman
    80. Tidal ×8
    81. CaymanCayman
    82. Tidal
    83. Naval Energy Converter
    84. Tidal ×3
    85. Advanced Metal ExtractorT2 mex
    86. Tidal
    87. Naval Energy Converter
    88. BirdeaterHover anti-air
    89. Tidal
    90. Construction HovercraftCon hovercraft
    91. Naval Energy Converter
    92. Tidal
    93. Naval Energy Converter
    94. Construction HovercraftCon hovercraft
    95. Tidal
    96. Advanced ShipyardAdvanced Shipyarddone 14:06
    97. Naval Metal Storage
    98. Fusion ReactorFusionnot finished by 15:00
    99. Construction HovercraftCon hovercraft
    100. Tidal
    101. BirdeaterHover anti-air ×2
    102. Tidal
    103. Advanced Construction SubAdvanced Construction Sub
    104. Naval Construction Turret
    105. BirdeaterHover anti-air
    106. Tidal
    107. PathfinderPathfinder
    108. WardenWarden
    109. SlingshotSlingshot
    110. PathfinderPathfinder
    111. Tidal
    112. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    113. Advanced Metal ExtractorT2 mex
    114. PathfinderPathfinder
    115. CaymanCayman
    116. PathfinderPathfinder
    117. Naval Advanced Metal ExtractorNaval Advanced Metal Extractornot finished by 15:00
    118. PathfinderPathfinder

Counts are medians over the build's games: half of them build more, half fewer. The example game is Godmother13's (37 OS, 19/09/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine3 Wind to Airfirst at 1:52 · 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 62% of games
  • Hephaestus1 Heavy transport from Airfirst at 2:16 · in 68% of games
  • Construction Bot1 Con bot from Geofirst at 2:27 · in 69% of games
  • Hercules1 Light transport from Airfirst at 2:33 · 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

859 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0040300
2:0093700
3:00156700
4:0025252150
5:003701197100
6:005034535251
7:0064811091590
8:00807618251040
9:00968328531610
10:001159139952340
11:001381852133090
12:001636061593830
13:001915472004615
14:002195583275730
15:002495293256631
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

Godmother13

36.5 OS · 19/09/2026

Open source match ↗

6 received units · includes a constructor
92 metal received · 55264 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=857
Riptide3:52Middle 50%: 3:16–4:33 · n=845
Oppressor5:10Middle 50%: 4:13–6:08 · n=830
Advanced Metal Extractor9:57Middle 50%: 9:16–10:53 · n=730

Played most by

EpicTyrannus82games of this buildDamsko66games of this buildWaboum64games of this buildPRO_HYDRA58games of this buildMrCoolPotato51games of this build