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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 · 797 distinct matches · 106 players · 84% of Cortex Beach sea games · team won 55% of 860 · 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 797 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 ×3for Air
    3. Wind ×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 (35%)

    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 ×2
    3. Tidal
    4. HerringMissile corvette
    5. Mex ×2
    6. HerringMissile corvette
    7. Mex
    8. RiptideFrigatedone 3:32 · typical 3:52
    9. Mex
    10. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    11. Mex
    12. RiptideFrigate
    13. Con turret
    14. UrchinUrchin
    15. OppressorDestroyerdone 5:17 · typical 5:10
    16. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    17. Mex ×2
    18. Wind
    19. GuardGuard
  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 (40%) · 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 · 87 steps
    1. UrchinUrchin
    2. Wind
    3. Radar TowerRadar Tower
    4. OrcaSubmarinedone 5:35
    5. Wind
    6. Wind
    7. RiptideFrigate
    8. Wind
    9. Wind
    10. Wind ×2
    11. RiptideFrigate
    12. Wind
    13. Wind ×4
    14. Death CavalryDeath Cavalry
    15. Wind
    16. Wind
    17. OppressorDestroyer
    18. Wind
    19. GuardGuard ×3
    20. Converter
    21. GuardGuard
    22. RiptideFrigate
    23. Converter
    24. HerringMissile corvette
    25. Converter
    26. Converter
    27. OrcaSubmarine
    28. Converter
    29. Converter
    30. Converter
    31. Con turret
    32. Converter
    33. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    34. Converter
    35. Converter
    36. Converter
    37. OrcaSubmarine
    38. Converter
    39. Converter
    40. OrcaSubmarine
    41. Converter
    42. Con turret
    43. Converter
    44. Wind ×2
    45. Wind
    46. Death CavalryDeath Cavalry
    47. Wind
    48. Wind
    49. Advanced Metal ExtractorT2 mexdone 11:39 · typical 9:57
    50. Death CavalryDeath Cavalry
    51. Wind
    52. Wind
    53. OrcaSubmarine
    54. Wind
    55. Construction ShipCon ship
    56. OrcaSubmarine ×2
    57. Wind
    58. OrcaSubmarine
    59. Advanced Metal ExtractorT2 mex
    60. Wind
    61. RiptideFrigate
    62. Death CavalryDeath Cavalry
    63. Wind
    64. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    65. OppressorDestroyer
    66. Wind
    67. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    68. RiptideFrigate
    69. Wind
    70. Advanced Metal ExtractorT2 mex
    71. HerringMissile corvette
    72. OrcaSubmarine
    73. Wind
    74. RiptideFrigate
    75. Wind
    76. Death CavalryDeath Cavalry
    77. Wind ×2
    78. OppressorDestroyer
    79. Wind
    80. OppressorDestroyer ×2
    81. Wind ×3
    82. Advanced Metal ExtractorT2 mex
    83. Wind
    84. ShipyardShipyarddone 14:32
    85. Wind
    86. CorsairDestroyernot finished by 15:00
    87. Wind ×2

Counts are medians over the build's games: half of them build more, half fewer. The example game is Lexosis's (37 OS, 29/09/2026); 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

860 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
6:005033535253
7:0064791089590
8:00807318231036
9:00968328441610
10:001158939952337
11:001381552163090
12:001635861623828
13:001916272054613
14:002195883165726
15:002496293126596
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

Lexosis

37.2 OS · 29/09/2026

Open source match ↗

7 received units · includes a constructor
224 metal received · 105077 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=858
Riptide3:52Middle 50%: 3:16–4:34 · n=846
Oppressor5:10Middle 50%: 4:13–6:08 · n=831
Advanced Metal Extractor9:57Middle 50%: 9:16–10:53 · n=731

Played most by

EpicTyrannus83games of this buildDamsko66games of this buildWaboum64games of this buildPRO_HYDRA58games of this buildMrCoolPotato51games of this build