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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 · 14 steps
    1. Mex ×2
    2. Wind
    3. Mex
    4. Wind
    5. Wind ×2for Air
    6. Wind
    7. Energy storage
    8. Wind
    9. Hovercraft PlatformHovercraft Platformdone 1:51
    10. MangonelHover rocket botfor Geo sea
    11. GoonGoon ×2
    12. Construction HovercraftCon hovercraft ×2
    13. Mex ×2
    14. ShipyardShipyarddone 3:42 · 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 · 6 steps
    1. Con turret
    2. HerringMissile corvette
    3. OppressorDestroyerdone 4:16 · typical 5:12
    4. Hovercraft PlatformEat Hovercraft Platformreclaimed for its metal
    5. RiptideFrigate ×2done 4:39 · typical 3:49
    6. Mex
  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 · 79 steps
    1. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    2. Mexfor Geo sea
    3. Mex
    4. RiptideFrigate
    5. Mexfor Geo sea
    6. Death CavalryDeath Cavalry
    7. Radar TowerRadar Towerfor Geo sea
    8. HerringMissile corvette
    9. Mex
    10. OppressorDestroyer
    11. UrchinUrchin
    12. RiptideFrigate
    13. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    14. RiptideFrigate ×2
    15. Wind
    16. Death CavalryDeath Cavalry
    17. Wind
    18. HerringMissile corvette
    19. Advanced Metal ExtractorT2 mexdone 9:05 · typical 9:58
    20. OppressorDestroyer
    21. Mex
    22. Advanced Metal ExtractorT2 mex
    23. Mex
    24. Wind
    25. RiptideFrigate
    26. Wind
    27. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    28. Wind ×2
    29. RiptideFrigate
    30. Advanced Metal ExtractorT2 mex
    31. Wind
    32. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    33. Wind
    34. Mex
    35. Wind ×2
    36. RiptideFrigate
    37. Wind ×2
    38. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    39. Construction ShipCon ship
    40. Wind ×2
    41. Death CavalryDeath Cavalry
    42. Wind ×2
    43. HerringMissile corvette
    44. Advanced Metal ExtractorT2 mex
    45. Wind
    46. OppressorDestroyer
    47. Wind
    48. Naval Construction Turret
    49. Wind ×3
    50. Naval Construction Turret
    51. Wind ×2
    52. RiptideFrigate
    53. Wind
    54. RiptideFrigate
    55. Wind
    56. Mex
    57. RiptideFrigate
    58. Wind
    59. Construction ShipCon ship
    60. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    61. Wind
    62. Construction ShipCon ship
    63. Wind
    64. Death CavalryDeath Cavalry
    65. Wind
    66. HerringMissile corvette
    67. OppressorDestroyer
    68. Wind ×2
    69. RiptideFrigate
    70. Wind
    71. RiptideFrigate
    72. Wind
    73. RiptideFrigate
    74. Wind
    75. Construction ShipCon ship ×2
    76. Death CavalryDeath Cavalry
    77. HerringMissile corvette
    78. OppressorDestroyer
    79. RiptideFrigate ×3

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

Adeus

36.6 OS · 06/10/2026

Open source match ↗

8 received units · includes a constructor
937 metal received · 54712 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