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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 ×5
    3. Energy storage
    4. Metal storage
    5. ShipyardShipyarddone 2:02 · 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 · 22 steps
    1. Tidal
    2. Construction ShipCon ship
    3. Tidal
    4. Construction ShipCon ship
    5. HerringMissile corvette
    6. Mex ×2
    7. HerringMissile corvette
    8. Mex
    9. RiptideFrigatedone 3:41 · typical 3:52
    10. Mex
    11. Con turret
    12. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    13. RiptideFrigate
    14. Mex
    15. UrchinUrchin
    16. OppressorDestroyerdone 5:12 · typical 5:10
    17. Radar TowerRadar Tower
    18. Wind
    19. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    20. Mex ×2
    21. Wind
    22. 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 (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 · 98 steps
    1. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    2. Wind
    3. OrcaSubmarinedone 5:41
    4. Converter
    5. Wind ×2
    6. Converter ×2
    7. RiptideFrigate
    8. Wind
    9. Converter ×2
    10. RiptideFrigate
    11. Wind
    12. Converter
    13. Death CavalryDeath Cavalry
    14. Wind ×3
    15. RiptideFrigate
    16. Wind ×4
    17. OppressorDestroyer
    18. Wind ×7
    19. HerringMissile corvette
    20. Wind ×4
    21. RiptideFrigate
    22. Wind ×2
    23. Death CavalryDeath Cavalry
    24. Wind ×4
    25. RiptideFrigate
    26. Advanced Metal ExtractorT2 mexdone 9:31 · typical 9:57
    27. Wind
    28. Naval Construction Turret
    29. Wind
    30. OppressorDestroyer
    31. Wind ×2
    32. Naval Construction Turret
    33. Converter ×2
    34. Naval Construction Turret
    35. Converter ×2
    36. Advanced Metal ExtractorT2 mex
    37. HerringMissile corvette
    38. Converter
    39. HerringMissile corvette
    40. Tidal
    41. Converter
    42. Tidal ×2
    43. Converter
    44. Tidal ×2
    45. Converter
    46. Tidal ×3
    47. Converter
    48. Tidal
    49. Advanced Metal ExtractorT2 mex
    50. Tidal
    51. Wind
    52. Tidal ×2
    53. Wind
    54. Tidal
    55. Wind ×4
    56. HerringMissile corvette ×2
    57. Wind
    58. RiptideFrigate
    59. Wind
    60. Naval Construction Turret
    61. Death CavalryDeath Cavalry
    62. Wind
    63. Naval Construction Turret
    64. Wind
    65. Advanced ShipyardAdvanced Shipyarddone 12:02
    66. RiptideFrigate
    67. Wind
    68. OppressorDestroyer
    69. HerringMissile corvette
    70. Wind
    71. Death CavalryDeath Cavalry
    72. Wind
    73. DespotBattleshipdone 13:00
    74. Wind
    75. Advanced Metal ExtractorT2 mex
    76. Wind
    77. Death CavalryDeath Cavalry ×2
    78. PhantasmRadar jammer ship
    79. Wind
    80. BuccaneerCruiserdone 13:34
    81. Wind ×3
    82. Advanced Construction SubAdvanced Construction Sub
    83. Wind ×3
    84. PathfinderPathfinder
    85. Wind
    86. PathfinderPathfinder
    87. DespotBattleship
    88. Wind
    89. Death CavalryDeath Cavalry
    90. Naval Advanced Metal ExtractorNaval Advanced Metal Extractordone 14:56
    91. Wind ×2
    92. Tidal
    93. Wind
    94. OrcaSubmarine
    95. Tidal
    96. Advanced Metal ExtractorT2 mex
    97. Arrow StormAnti-air shipnot finished by 15:00
    98. OrcaSubmarine

Counts are medians over the build's games: half of them build more, half fewer. The example game is Lexosis's (37 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

Lexosis

36.9 OS · 26/09/2026

Open source match ↗

7 received units · includes a constructor
325 metal received · 55192 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