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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 · 5 steps
    1. Mex ×3
    2. Wind ×3
    3. Tidal ×2
    4. Energy storage
    5. ShipyardShipyarddone 1:58 · 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 · 14 steps
    1. Tidal
    2. Construction ShipCon ship
    3. HerringMissile corvette
    4. Mex
    5. OppressorDestroyerdone 3:44 · typical 5:10
    6. Mex
    7. Mex ×3
    8. Con turret
    9. RiptideFrigate ×2done 4:16 · typical 3:52
    10. Wind ×3
    11. RiptideFrigate
    12. Wind ×2
    13. UrchinUrchin
    14. Wind
  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 · 83 steps
    1. Wind
    2. Death CavalryDeath Cavalry
    3. Wind ×4
    4. RiptideFrigate
    5. Wind ×2
    6. OppressorDestroyer
    7. Wind
    8. Mex
    9. Wind ×2
    10. Mex
    11. Wind ×2
    12. Converter
    13. RiptideFrigate
    14. Converter ×2
    15. Construction ShipCon ship
    16. Converter
    17. Con turret
    18. HerringMissile corvette
    19. Radar TowerRadar Tower
    20. OppressorDestroyer
    21. Naval Construction Turret
    22. Wind ×8
    23. RiptideFrigate
    24. Wind
    25. Naval Construction Turret
    26. Wind ×7
    27. RiptideFrigate
    28. Wind
    29. Advanced Metal ExtractorT2 mexdone 9:28 · typical 9:57
    30. Death CavalryDeath Cavalry
    31. Wind ×4
    32. Advanced Metal ExtractorT2 mex
    33. Wind
    34. RiptideFrigate
    35. Wind ×2
    36. RiptideFrigate
    37. Wind
    38. Advanced Metal ExtractorT2 mex
    39. RiptideFrigate ×5
    40. Advanced Metal ExtractorT2 mex
    41. RiptideFrigate
    42. UrchinUrchin
    43. RiptideFrigate
    44. OppressorDestroyer
    45. UrchinUrchin
    46. OppressorDestroyer
    47. Mex
    48. OppressorDestroyer
    49. Wind
    50. Mex
    51. Wind ×2
    52. Construction ShipCon ship
    53. Wind ×2
    54. OppressorDestroyer
    55. Wind ×2
    56. Naval Construction Turret
    57. Wind ×6
    58. HerringMissile corvette
    59. Wind
    60. HerringMissile corvette
    61. Wind
    62. Naval Construction Turret
    63. Wind
    64. RiptideFrigate
    65. Wind
    66. RiptideFrigate
    67. Wind ×2
    68. Death CavalryDeath Cavalry
    69. Wind ×2
    70. RiptideFrigate
    71. Wind
    72. OppressorDestroyer
    73. Wind ×3
    74. Aircraft PlantAircraft Plantdone 14:42
    75. Wind
    76. HerringMissile corvette
    77. Naval Construction Turret
    78. Wind
    79. RiptideFrigate
    80. Wind ×2
    81. Naval Construction Turret
    82. Wind ×2
    83. RiptideFrigate

Counts are medians over the build's games: half of them build more, half fewer. The example game is Damsko's (39 OS, 26/09/2026); 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

Damsko

39.0 OS · 26/09/2026

Open source match ↗

13 received units · includes a constructor
195 metal received · 43834 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