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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 · 4 steps
    1. Mex ×3
    2. Wind ×4
    3. Energy storage
    4. ShipyardShipyarddone 1:57 · 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 · 26 steps
    1. Construction ShipCon ship ×2
    2. HerringMissile corvette
    3. Naval Construction Turret
    4. OppressorDestroyernot finished by 15:00 · typical 5:10
    5. Mex ×2
    6. RiptideFrigatenot finished by 15:00 · typical 3:52
    7. Death CavalryDeath Cavalry
    8. SupporterGunboat ×2
    9. Wind
    10. Mex
    11. Mex
    12. Wind
    13. SupporterGunboat
    14. Wind ×2
    15. SupporterGunboat ×2
    16. Mex
    17. BeamerBeamer
    18. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    19. SupporterGunboat
    20. GuardGuard ×2
    21. Tidal
    22. GuardGuard
    23. Mex
    24. SupporterGunboat ×5
    25. Mex
    26. SupporterGunboat ×2
  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 · 63 steps
    1. OppressorDestroyer
    2. Con turret
    3. UrchinUrchin ×3
    4. Wind
    5. RiptideFrigate
    6. Wind
    7. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    8. RiptideFrigate
    9. Wind
    10. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    11. Wind
    12. OppressorDestroyer
    13. Wind ×3
    14. RiptideFrigate
    15. Wind ×2
    16. RiptideFrigate
    17. Converter
    18. RiptideFrigate
    19. Wind
    20. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    21. RiptideFrigate
    22. Wind ×2
    23. RiptideFrigate
    24. Wind ×4
    25. Construction ShipCon ship
    26. Wind ×3
    27. Naval Hovercraft PlatformNaval Hovercraft Platformdone 10:25
    28. Wind
    29. Naval Construction Turret
    30. Death CavalryDeath Cavalry
    31. Wind
    32. Naval Construction Turret
    33. Advanced Metal ExtractorT2 mexdone 10:56 · typical 9:57
    34. Death CavalryDeath Cavalry
    35. HerringMissile corvette
    36. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    37. GoonGoon
    38. HerringMissile corvette
    39. GoonGoon
    40. HerringMissile corvette
    41. GoonGoon
    42. Advanced ShipyardAdvanced Shipyarddone 12:08
    43. GoonGoon
    44. Advanced Metal ExtractorT2 mex ×2
    45. Advanced Construction SubAdvanced Construction Sub
    46. Metal storage
    47. Advanced Construction SubAdvanced Construction Sub
    48. Con turret
    49. Naval Advanced Metal ExtractorNaval Advanced Metal Extractordone 13:40
    50. Advanced Metal ExtractorT2 mex
    51. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    52. Con turret
    53. Advanced Construction SubAdvanced Construction Sub
    54. Con turret
    55. Naval Advanced Metal ExtractorNaval Advanced Metal Extractor
    56. Con turret
    57. Fusion ReactorFusionnot finished by 15:00
    58. Wind
    59. Con turret
    60. Wind
    61. Con turret
    62. Wind ×2
    63. Aircraft PlantAircraft Plantnot finished by 15:00

Counts are medians over the build's games: half of them build more, half fewer. The example game is haaven's (47 OS, 27/09/2026); 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

haaven

47.0 OS · 27/09/2026

Open source match ↗

8 received units · includes a constructor
1066 metal received · 55388 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