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Beach sea / Cortex / Economy first / OBSERVED BUILD

Standard beach sea

Cortex Beach sea build order · Supreme Isthmus

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 (93%)

#naval #eco · 1596 distinct matches · 207 players · 84% of Cortex Beach sea games · team won 55% of 1800 · Recently observed

HOW TO PLAY IT

Key timing: Shipyard by 1:56

  1. Open 3 mex, then send com to sea to build Shipyard by 1:56.
  2. Add tidal generators, wind and more mex to fund the shipyard.
  3. Pump Riptide first, then Oppressor to contest enemy sea entry.
  4. Get T2 constructor out to start scaling the naval economy.
  5. Transition into Advanced Metal Extractor as the economy phase begins.

Phase by phase

TYPICAL OF ITS 1596 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 ~1:56, middle half 1:43–2:07

    Some games also: Guard (30%)

    By 1:39 in all: 3 mex · 2 wind · 1 energy storage

    The example game in this phase · 19 steps
    1. Mex ×2
    2. Wind ×4
    3. Hovercraft PlatformHovercraft Platformdone 1:13
    4. Construction HovercraftCon hovercraft
    5. Wind ×4
    6. GoonGoon
    7. Mex
    8. GoonGoon ×3
    9. Mex ×2
    10. GoonGoon
    11. Wind
    12. Construction HovercraftCon hovercraft
    13. Wind ×2
    14. Con turret
    15. Wind
    16. Mex
    17. Converter
    18. Wind ×3
    19. ShipyardShipyarddone 4:07 · typical 1:56
  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 (46%) · mex (38%) · wind (37%) · submarine (36%) · wind (36%)

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

    The example game in this phase · 18 steps
    1. Mex
    2. Wind
    3. Converter
    4. GuardGuard
    5. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    6. Con turret
    7. Wind ×2
    8. HerringMissile corvette
    9. Wind
    10. Con turret
    11. HerringMissile corvette
    12. Wind
    13. Hovercraft PlatformEat Hovercraft Platformreclaimed for its metal
    14. Wind
    15. HerringMissile corvette ×3
    16. Converter
    17. OppressorDestroyerdone 5:42 · typical 5:15
    18. Wind
  3. 3

    5:00 to 10:00

    Economy
    • Metal Extractor1Mex
    • Wind Turbine8Wind
    Builders
    • Construction Ship1 Con ship
    • Death Cavalry1 Death Cavalry
    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 (49%) · Guard (47%) · Radar Tower (40%) · tidal (40%) · wind (34%)

    By 10:00 in all: 9 mex · 10 wind · 4 wind · 4 tidal · 1 energy storage · 1 Naval Construction Turret

    The example game in this phase · 104 steps
    1. Wind ×4
    2. Converter
    3. Twin GuardTwin Guard
    4. RiptideFrigatedone 6:20 · typical 3:50
    5. Wind ×3
    6. Energy storage
    7. RiptideFrigate
    8. GuardGuard
    9. Wind
    10. HerringMissile corvette
    11. Wind
    12. HerringMissile corvette ×2
    13. Wind ×2
    14. GuardGuard
    15. HerringMissile corvette
    16. Wind ×2
    17. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    18. Wind
    19. Converter
    20. HerringMissile corvette
    21. Mex
    22. Converter ×2
    23. Death CavalryDeath Cavalry
    24. Mex
    25. Converter
    26. Mex
    27. RiptideFrigate
    28. Wind ×3
    29. Mex
    30. RiptideFrigate
    31. Wind
    32. Radar TowerRadar Tower
    33. Wind
    34. ThistleThistle
    35. Wind ×2
    36. Mex
    37. Converter
    38. RiptideFrigate
    39. ThistleThistle
    40. Converter
    41. RiptideFrigate
    42. Converter
    43. Advanced Metal ExtractorT2 mexdone 10:07 · typical 9:59
    44. Converter
    45. WardenWarden
    46. RiptideFrigate
    47. Mex
    48. Converter
    49. Wind
    50. OppressorDestroyer
    51. Wind ×7
    52. Advanced Metal ExtractorT2 mex
    53. OppressorDestroyer
    54. Wind ×5
    55. Death CavalryDeath Cavalry
    56. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    57. Wind ×2
    58. Death CavalryDeath Cavalry
    59. Wind ×2
    60. Advanced Metal ExtractorT2 mex
    61. Wind
    62. RiptideFrigate
    63. Wind
    64. RiptideFrigate
    65. Wind
    66. RiptideFrigate
    67. Wind
    68. RiptideFrigate
    69. Wind
    70. RiptideFrigate
    71. Wind ×2
    72. HerringMissile corvette ×2
    73. Wind
    74. HerringMissile corvette
    75. Wind
    76. HerringMissile corvette ×2
    77. Wind
    78. RiptideFrigate
    79. Wind
    80. RiptideFrigate
    81. Advanced Metal ExtractorT2 mex
    82. Wind
    83. RiptideFrigate
    84. Wind
    85. RiptideFrigate
    86. Wind ×2
    87. RiptideFrigate
    88. Wind
    89. Construction ShipCon ship
    90. Wind ×6
    91. Naval Construction Turret
    92. Wind
    93. OrcaSubmarinedone 14:29
    94. Naval Construction Turret
    95. Wind ×2
    96. OrcaSubmarine
    97. Naval Construction Turret
    98. Wind
    99. Naval Construction Turret
    100. Wind
    101. OrcaSubmarine
    102. Wind
    103. OrcaSubmarine
    104. Wind

Counts are medians over the build's games: half of them build more, half fewer. The example game is yedddoo's (33 OS, 21/08/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine3 Wind to Airfirst at 1:45 · in 77% of games

You get

  • Finch1 Finch from Airfirst at 2:00 · in 80% of games
  • Lazarus1 Lazarus from Geofirst at 2:13 · in 63% of games
  • Hephaestus1 Heavy transport from Airfirst at 2:16 · in 65% of games
  • Construction Bot1 Con bot from Geofirst at 2:26 · in 70% of games
  • Hercules1 Light transport from Airfirst at 2:34 · in 32% of games
  • Advanced Construction Bot1 T2 con bot from Techfirst at 8:08 · in 89% 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

1800 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0040300
2:0093700
3:00155300
4:002540051
5:003717176101
6:005049486280
7:006492974592
8:00807216611001
9:00967826121536
10:001153637182324
11:001368547433108
12:001624658263866
13:001894068774637
14:002167279205673
15:002456088526521
WHAT THE NUMBERS SAY

Standard Beach sea play has the lowest team win rate of these builds and destroys far less enemy metal early than it loses eco time.

  • + Metal produced climbs to 24945 by 15:00, the highest of all six roles.
  • + Riptide and Oppressor together make 63% of army, a focused naval composition.
  • − Enemy metal destroyed is only 200 by 5:00, barely contesting early sea.
  • − T2 factory only reached in 35% of games, behind other roles' T2 timing.
THE EXAMPLE YOU ARE READING

yedddoo

32.8 OS · 21/08/2026

Open source match ↗

3 received units · includes a constructor
734 metal received · 60008 energy received

Allied construction assistance is unknown. Timings are observations, not a promise of solo reproducibility.

Typical milestones

Shipyard1:56Middle 50%: 1:43–2:07 · n=1797
Riptide3:50Middle 50%: 3:12–4:34 · n=1754
Oppressor5:15Middle 50%: 4:29–6:07 · n=1733
Advanced Metal Extractor9:59Middle 50%: 9:17–10:54 · n=1522

Played most by

EpicTyrannus120games of this buildDamsko69games of this buildKbot_my_Ahole67games of this buildWaboum64games of this buildfanboi63games of this build