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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 · 729 distinct matches · 102 players · 84% of Cortex Beach sea games · team won 55% of 789 · 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 729 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 · 2 steps
    1. Mex ×3
    2. ShipyardShipyarddone 1:08 · typical 1:57
  2. 2

    Shipyard to 5:00

    Economy
    • Metal Extractor5Mex
    • Tidal Generator1Tidal
    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 (42%) · wind (41%) · submarine (40%) · con turret (35%) · gunboat (34%)

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

    The example game in this phase · 21 steps
    1. Construction ShipCon ship
    2. Tidal ×5
    3. Construction ShipCon ship
    4. Wind ×2for Air
    5. Mex
    6. HerringMissile corvette ×2
    7. Tidal
    8. SupporterGunboat
    9. Mex
    10. SupporterGunboat
    11. Mex
    12. RiptideFrigate ×2done 3:02 · typical 3:51
    13. OppressorDestroyerdone 4:45 · typical 5:09
    14. Mex
    15. Mex
    16. UrchinUrchin
    17. GuardGuard
    18. Con turret
    19. Mex
    20. HerringMissile corvette
    21. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
  3. 3

    5:00 to 10:00

    Economy
    • Metal Extractor1Mex
    • Wind Turbine10Wind
    Builders
    • Death Cavalry1 Death Cavalry
    • Construction Ship1 Con ship
    Army
    • Riptide5 Frigate
    • Oppressor2 Destroyer
    • Herring2 Missile corvette
    Other
    • Naval Radar / Sonar Tower1 Naval Radar / Sonar Tower

    Some games also: Urchin (50%) · Naval Construction Turret (47%) · Guard (47%) · Radar Tower (41%) · tidal (38%)

    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 · 82 steps
    1. Death CavalryDeath Cavalry
    2. GuardGuard
    3. Wind
    4. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    5. Wind ×2
    6. Naval Construction Turret
    7. RiptideFrigate
    8. Wind ×4
    9. OppressorDestroyer
    10. Wind ×2
    11. Naval Construction Turret
    12. Wind ×2
    13. OppressorDestroyer
    14. Advanced Metal ExtractorT2 mexdone 9:21 · typical 9:57
    15. Naval Energy Converter
    16. HerringMissile corvette
    17. Naval Energy Converter
    18. Death CavalryDeath Cavalry
    19. Mex
    20. Naval Energy Converter ×2
    21. RiptideFrigate
    22. Tidal
    23. Mex
    24. Tidal ×2
    25. OppressorDestroyer
    26. Advanced Metal ExtractorT2 mex
    27. Tidal ×5
    28. OppressorDestroyer
    29. Advanced Metal ExtractorT2 mex
    30. HerringMissile corvette
    31. Death CavalryDeath Cavalry
    32. Radar TowerRadar Tower
    33. RiptideFrigate
    34. OppressorDestroyer ×2
    35. NettleNettle
    36. Advanced Metal ExtractorT2 mex
    37. Naval Construction Turret
    38. HerringMissile corvette
    39. NettleNettle
    40. Naval Construction Turret
    41. Seaplane PlatformSeaplane Platformdone 12:43
    42. BeamerBeamer
    43. Dam BusterSeaplane bomber
    44. RiptideFrigate
    45. Dam BusterSeaplane bomber
    46. RiptideFrigate
    47. Dam BusterSeaplane bomber
    48. OppressorDestroyer
    49. Dam BusterSeaplane bomber
    50. Dragon's TeethDragon's Teeth ×3
    51. Tidal
    52. Dragon's TeethDragon's Teeth
    53. Tidal
    54. Dam BusterSeaplane bomber
    55. Dragon's TeethDragon's Teeth
    56. HerringMissile corvette
    57. Tidal
    58. Dragon's TeethDragon's Teeth
    59. Tidal
    60. Dragon's TeethDragon's Teeth
    61. Tidal
    62. Dam BusterSeaplane bomber
    63. Dragon's TeethDragon's Teeth
    64. Tidal
    65. Dragon's TeethDragon's Teeth
    66. Death CavalryDeath Cavalry
    67. Tidal
    68. Dragon's TeethDragon's Teeth
    69. Dam BusterSeaplane bomber
    70. Tidal
    71. Dragon's TeethDragon's Teeth
    72. Tidal
    73. Dragon's TeethDragon's Teeth
    74. Tidal
    75. RiptideFrigate
    76. Dragon's TeethDragon's Teeth
    77. Tidal
    78. RiptideFrigate
    79. Tidal
    80. OppressorDestroyer
    81. Tidal ×2
    82. Advanced Metal ExtractorT2 mex

Counts are medians over the build's games: half of them build more, half fewer. The example game is Gieds's (47 OS, 15/09/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine3 Wind to Airfirst at 1:54 · in 79% of games

You get

  • Finch1 Finch from Airfirst at 1:58 · in 81% 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 2:29 · in 69% of games
  • Hercules1 Light transport from Airfirst at 2:35 · in 31% 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

789 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0040300
2:0093700
3:00156300
4:002522050
5:003699194100
6:005026532250
7:0064731100588
8:00808018571041
9:00968328851621
10:001160240232345
11:001382252273090
12:001635262003851
13:001911172574621
14:002186583045721
15:002487692656531
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

Gieds

47.2 OS · 15/09/2026

Open source match ↗

6 received units · includes a constructor
169 metal received · 52516 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=787
Riptide3:51Middle 50%: 3:15–4:31 · n=782
Oppressor5:09Middle 50%: 4:11–6:07 · n=764
Advanced Metal Extractor9:57Middle 50%: 9:15–10:53 · n=667

Played most by

EpicTyrannus68games of this buildDamsko64games of this buildWaboum64games of this buildPRO_HYDRA54games of this buildMrCoolPotato51games of this build