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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 · 937 distinct matches · 113 players · 83% of Cortex Beach sea games · team won 54% of 1011 · 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 937 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 · 6 steps
    1. Mex ×2
    2. Windfor Air
    3. Mex
    4. Windfor Air
    5. Wind
    6. ShipyardShipyarddone 1:29 · 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 · 20 steps
    1. Construction ShipCon ship
    2. Wind ×4
    3. Construction ShipCon ship
    4. Wind ×2for Air
    5. HerringMissile corvette
    6. Mex
    7. OppressorDestroyerdone 3:35 · typical 5:12
    8. Mex
    9. Mex
    10. Mex ×2
    11. Mex
    12. Mex
    13. RiptideFrigatedone 4:08 · typical 3:49
    14. SentrySentry
    15. RiptideFrigate
    16. SentrySentry
    17. UrchinUrchin
    18. Con turret
    19. RiptideFrigate
    20. UrchinUrchin
  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 (48%) · Guard (47%) · tidal (40%) · Radar Tower (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 · 70 steps
    1. SentrySentry
    2. Death CavalryDeath Cavalry
    3. SentrySentry
    4. Tidal
    5. Wind
    6. Tidal
    7. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    8. Wind
    9. UrchinUrchin
    10. Wind
    11. RiptideFrigate
    12. Tidal
    13. Wind ×3
    14. RiptideFrigate
    15. Construction ShipCon ship
    16. Wind ×2
    17. Construction ShipCon ship ×2
    18. Wind
    19. Mex
    20. Wind
    21. Construction ShipCon ship
    22. RiptideFrigate
    23. Wind ×2
    24. RiptideFrigate ×3
    25. Wind
    26. Advanced Metal ExtractorT2 mexdone 9:41 · typical 9:58
    27. Wind
    28. RiptideFrigate ×2
    29. Wind
    30. RiptideFrigate
    31. HerringMissile corvette
    32. OrcaSubmarinedone 9:23
    33. Wind
    34. OrcaSubmarine
    35. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    36. Wind
    37. Advanced Metal ExtractorT2 mex
    38. OrcaSubmarine
    39. Advanced Metal ExtractorT2 mex
    40. Wind
    41. Tidal
    42. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    43. RiptideFrigate
    44. Wind
    45. Tidal
    46. Advanced Metal ExtractorT2 mex
    47. Tidal ×2
    48. Wind
    49. Tidal
    50. RiptideFrigate
    51. Tidal
    52. Wind
    53. Tidal
    54. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    55. Tidal
    56. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    57. Wind
    58. RiptideFrigate
    59. OppressorDestroyer
    60. RiptideFrigate ×4
    61. Advanced Metal ExtractorT2 mex
    62. Dragon's MawDragon's Maw
    63. Advanced Metal ExtractorT2 mex
    64. Radar TowerRadar Tower
    65. SentrySentry
    66. Dragon's MawDragon's Maw
    67. Wind ×2
    68. Con turret
    69. Wind ×2
    70. SentrySentry

Counts are medians over the build's games: half of them build more, half fewer. The example game is El_Turco's (38 OS, 09/10/2026); 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 66% 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

1011 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0040300
2:0093700
3:00156800
4:002538051
5:003715197100
6:005041540261
7:0064861071591
8:00805618061019
9:00967627761581
10:001157039152311
11:001375549613051
12:001628260613830
13:001908271124611
14:002183981835717
15:002488692996595
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

El_Turco

37.9 OS · 09/10/2026

Open source match ↗

13 received units · includes a constructor
594 metal received · 8723 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=1009
Riptide3:49Middle 50%: 3:15–4:32 · n=990
Oppressor5:12Middle 50%: 4:22–6:07 · n=972
Advanced Metal Extractor9:58Middle 50%: 9:17–10:54 · n=855

Played most by

EpicTyrannus99games of this buildDamsko68games of this buildKbot_my_Ahole64games of this buildWaboum64games of this buildPRO_HYDRA63games of this build