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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 (94%)

#naval #eco · 935 distinct matches · 113 players · 83% of Cortex Beach sea games · team won 54% of 1009 · Recently observed

HOW TO PLAY IT

Key timing: Shipyard by 1:57

  1. Grab mex and tidal, push com to sea to build shipyard.
  2. Finish shipyard and start pumping frigate and destroyer.
  3. Field first frigate to contest enemy sea entry or hold vision.
  4. Add destroyer to the mix as the fight for sea develops.
  5. Shift into advanced metal extractor as the economy transition.

Phase by phase

TYPICAL OF ITS 935 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 Turbine2Windfor allies
    • Wind Turbine2Wind
    • Energy Storage1Energy storage
    Order
    1. ShipyardShipyard after 3 mex, 2 wind, 1 energy storagedone ~1:56, middle half 1:41–2:07

    Some games also: tidal (31%)

    By 1:40 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
    4. Energy storage
    5. ShipyardShipyarddone 1:54 · 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%) · wind (39%) · submarine (38%) · mex (36%) · gunboat (36%)

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

    The example game in this phase · 21 steps
    1. Tidal
    2. Construction ShipCon ship ×2
    3. Con turret
    4. Tidal ×2
    5. Wind
    6. HerringMissile corvette
    7. Mex
    8. RiptideFrigatedone 3:13 · typical 3:49
    9. Mex
    10. HerringMissile corvette
    11. Mex ×2
    12. Wind
    13. RiptideFrigate
    14. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    15. Mex
    16. Con turret
    17. UrchinUrchin
    18. OppressorDestroyerdone 5:23 · typical 5:12
    19. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    20. Converter ×2
    21. Wind ×3
  3. 3

    5:00 to 10:00

    Economy
    • Metal Extractor1Mex
    • Wind Turbine9Wind
    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%) · con turret (35%)

    By 10:00 in all: 9 mex · 11 wind · 4 wind · 4 tidal · 1 energy storage · 1 Naval Construction Turret

    The example game in this phase · 77 steps
    1. Wind
    2. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    3. Wind ×2
    4. Death CavalryDeath Cavalry
    5. Wind ×5
    6. Construction ShipCon ship
    7. Wind ×2
    8. HerringMissile corvette
    9. Wind
    10. Naval Construction Turret
    11. RiptideFrigate
    12. Wind ×2
    13. RiptideFrigate
    14. Wind
    15. UrchinUrchin
    16. Wind
    17. UrchinUrchin
    18. OppressorDestroyer
    19. Wind ×3
    20. Death CavalryDeath Cavalry
    21. Construction ShipCon ship
    22. Wind ×2
    23. Mex
    24. Wind
    25. ShipyardShipyarddone 8:52
    26. Wind
    27. RiptideFrigate
    28. Construction ShipCon ship
    29. Converter
    30. Mex
    31. Converter ×2
    32. RiptideFrigate
    33. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    34. Wind
    35. ShipyardEat Shipyardreclaimed for its metal
    36. Tidal
    37. HerringMissile corvette
    38. Tidal
    39. Wind
    40. RiptideFrigate
    41. Tidal ×2
    42. Death CavalryDeath Cavalry
    43. Tidal
    44. Wind ×2
    45. Tidal
    46. Death CavalryDeath Cavalry
    47. Wind
    48. Tidal ×2
    49. Wind
    50. Con turret
    51. RiptideFrigate
    52. Naval Energy Converter
    53. Advanced Metal ExtractorT2 mexdone 10:50 · typical 9:58
    54. Naval Energy Converter ×2
    55. HerringMissile corvette
    56. RiptideFrigate ×2
    57. Advanced Metal ExtractorT2 mex
    58. HerringMissile corvette
    59. Advanced Metal ExtractorT2 mex
    60. RiptideFrigate
    61. Naval Energy Converter ×2
    62. RiptideFrigate
    63. Naval Construction Turret ×2
    64. HerringMissile corvette
    65. RiptideFrigate
    66. Naval Construction Turret
    67. ShipyardEat Shipyardreclaimed for its metal
    68. Advanced Metal ExtractorT2 mex
    69. Naval Construction Turret
    70. Advanced ShipyardAdvanced Shipyarddone 13:18
    71. UrchinUrchin
    72. Advanced Construction SubAdvanced Construction Sub
    73. PathfinderPathfinder
    74. Naval Advanced Metal ExtractorNaval Advanced Metal Extractordone 14:01
    75. DespotBattleshipdone 14:37
    76. Naval Advanced Metal ExtractorNaval Advanced Metal Extractor
    77. KrakenBattle submarinenot finished by 15:00

Counts are medians over the build's games: half of them build more, half fewer. The example game is I_pawngame_u's (38 OS, 06/10/2026); 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 1:59 · in 82% of games
  • Lazarus1 Lazarus from Geofirst at 2:14 · in 63% of games
  • Hephaestus1 Heavy transport from Airfirst at 2:16 · in 67% of games
  • Construction Bot1 Con bot from Geofirst at 2:27 · in 70% of games
  • Hercules1 Light transport from Airfirst at 2:32 · in 32% of games
  • Advanced Construction Bot1 T2 con bot from Techfirst at 8:09 · 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

1009 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0040300
2:0093700
3:00156900
4:002538051
5:003715197100
6:005041540261
7:0064861074590
8:00805618061014
9:00967627771581
10:001157039202310
11:001375549693051
12:001628260643825
13:001909071214611
14:002186582015711
15:002489893256582
WHAT THE NUMBERS SAY

Standard sea-first play for Beach sea, with the lowest team win rate of the roles shown at 54% and a big gap in metal destroyed vs lost by 15:00.

  • + Metal produced hits 24892 by 15:00, second highest overall shown.
  • − Enemy metal destroyed only 9261 by 15:00 against own losses of 6529, a tight margin for a sea role.
THE EXAMPLE YOU ARE READING

I_pawngame_u

37.5 OS · 06/10/2026

Open source match ↗

4 received units · includes a constructor
361 metal received · 102889 energy received

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

Typical milestones

Shipyard1:56Middle 50%: 1:41–2:07 · n=1007
Riptide3:49Middle 50%: 3:15–4:32 · n=988
Oppressor5:12Middle 50%: 4:22–6:07 · n=970
Advanced Metal Extractor9:58Middle 50%: 9:17–10:54 · n=853

Played most by

EpicTyrannus99games of this buildDamsko68games of this buildKbot_my_Ahole64games of this buildWaboum64games of this buildPRO_HYDRA63games of this build
Standard beach sea · Cortex Beach sea build order · BAR Build Atlas