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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 · 7 steps
    1. Mex ×3
    2. Wind ×2
    3. Wind ×3for Air
    4. Wind
    5. Energy storage
    6. Wind ×2
    7. ShipyardShipyarddone 2:17 · 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. Construction ShipCon ship
    2. HerringMissile corvette
    3. RiptideFrigatedone 2:48 · typical 3:51
    4. Mex
    5. Death CavalryDeath Cavalry
    6. Construction ShipCon ship ×2
    7. RiptideFrigate
    8. Mex
    9. Death CavalryDeath Cavalry
    10. Con turret
    11. UrchinUrchin
    12. Mex
    13. UrchinUrchin
    14. Radar TowerRadar Tower
    15. Mex
    16. GuardGuard
    17. RiptideFrigate
    18. Mex
    19. Wind ×2
  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 · 101 steps
    1. Wind
    2. RiptideFrigate
    3. Wind ×3
    4. RiptideFrigate
    5. Wind
    6. RiptideFrigate
    7. Wind
    8. OrcaSubmarinedone 6:38
    9. Wind
    10. Converter ×2
    11. Mex
    12. Construction ShipCon ship
    13. Wind ×2
    14. Naval Construction Turret
    15. Wind
    16. Mex
    17. RiptideFrigate
    18. Wind ×3
    19. Construction ShipCon ship
    20. Wind
    21. Construction ShipCon ship
    22. Wind ×3
    23. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    24. RiptideFrigate
    25. Wind ×2
    26. RiptideFrigate
    27. Converter
    28. OppressorDestroyerdone 8:42 · typical 5:09
    29. Converter
    30. UrchinUrchin
    31. Converter
    32. UrchinUrchin
    33. Wind
    34. HerringMissile corvette
    35. Naval Energy Converter
    36. Advanced Metal ExtractorT2 mexdone 9:34 · typical 9:57
    37. Wind
    38. OppressorDestroyer
    39. Naval Energy Converter
    40. HerringMissile corvette
    41. Naval Energy Converter
    42. Con turret
    43. Advanced Metal ExtractorT2 mex
    44. Naval Energy Converter
    45. Wind
    46. OrcaSubmarine
    47. Wind ×3
    48. RiptideFrigate
    49. Wind
    50. Advanced Metal ExtractorT2 mex
    51. Mex
    52. Wind
    53. Death CavalryDeath Cavalry
    54. Wind
    55. HerringMissile corvette
    56. Construction ShipCon ship
    57. Wind
    58. Naval Construction Turret
    59. RiptideFrigate
    60. Wind
    61. Naval Construction Turret
    62. Wind
    63. RiptideFrigate
    64. Wind
    65. HerringMissile corvette
    66. ShipyardShipyarddone 11:46
    67. Death CavalryDeath Cavalry
    68. Construction ShipCon ship
    69. Wind
    70. Naval Construction Turret
    71. Advanced Metal ExtractorT2 mex
    72. Wind
    73. Death CavalryDeath Cavalry
    74. Naval Construction Turret
    75. Tidal
    76. Wind
    77. Tidal
    78. Wind
    79. UrchinUrchin
    80. Wind
    81. Tidal
    82. Wind
    83. Tidal
    84. Wind
    85. Tidal
    86. Wind
    87. Tidal
    88. Death CavalryDeath Cavalry
    89. Wind ×5
    90. Death CavalryDeath Cavalry
    91. Wind
    92. Naval Construction Turret
    93. Wind
    94. Death CavalryDeath Cavalry
    95. Wind
    96. Naval Construction Turret
    97. Wind
    98. Naval Construction Turret
    99. Wind
    100. CyclopsCyclops
    101. Wind ×3

Counts are medians over the build's games: half of them build more, half fewer. The example game is MrCoolPotato's (43 OS, 04/09/2026); 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

MrCoolPotato

42.7 OS · 04/09/2026

Open source match ↗

5 received units · includes a constructor
186 metal received · 49764 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