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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 · 797 distinct matches · 106 players · 84% of Cortex Beach sea games · team won 55% of 860 · 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 797 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 · 3 steps
    1. Mex ×3
    2. Wind ×2for Air
    3. ShipyardShipyarddone 1:20 · 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 (35%)

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

    The example game in this phase · 29 steps
    1. Construction ShipCon ship
    2. Tidal ×2
    3. Wind
    4. Construction ShipCon ship
    5. Wind
    6. Windfor Air
    7. Mex
    8. HerringMissile corvette
    9. SupporterGunboat
    10. Mex
    11. HerringMissile corvette
    12. Mex
    13. SupporterGunboat
    14. Energy storage
    15. RiptideFrigatedone 3:23 · typical 3:52
    16. GuardGuard
    17. Mex
    18. Con turret
    19. RiptideFrigate
    20. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    21. OppressorDestroyerdone 5:32 · typical 5:10
    22. Mex ×2
    23. Wind
    24. Mex
    25. Radar TowerRadar Tower
    26. Wind
    27. GuardGuard
    28. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    29. Wind
  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 (40%) · 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 · 69 steps
    1. GuardGuard
    2. UrchinUrchin
    3. Wind
    4. GuardGuard
    5. Wind
    6. GuardGuard
    7. Wind
    8. HerringMissile corvette
    9. Wind
    10. RiptideFrigate
    11. Wind ×2
    12. RiptideFrigate
    13. Wind ×2
    14. OppressorDestroyer
    15. Wind ×4
    16. OppressorDestroyer
    17. Wind
    18. Mex
    19. Wind ×2
    20. Mex
    21. Wind
    22. RiptideFrigate
    23. Wind ×2
    24. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    25. Construction ShipCon ship
    26. Death CavalryDeath Cavalry
    27. Wind
    28. Advanced Metal ExtractorT2 mexdone 10:06 · typical 9:57
    29. Death CavalryDeath Cavalry
    30. Wind
    31. Construction ShipCon ship
    32. Wind
    33. RiptideFrigate
    34. Wind
    35. Mex
    36. RiptideFrigate
    37. Wind
    38. Advanced Metal ExtractorT2 mex
    39. Wind
    40. Mex
    41. Wind
    42. HerringMissile corvette
    43. Wind ×3
    44. Mex
    45. Wind
    46. OppressorDestroyer
    47. Wind
    48. Advanced Metal ExtractorT2 mex
    49. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    50. Wind ×2
    51. RiptideFrigate
    52. Naval Construction Turret
    53. Wind
    54. RiptideFrigate
    55. Wind
    56. HerringMissile corvette
    57. Wind
    58. Advanced Metal ExtractorT2 mex
    59. Naval Construction Turret
    60. RiptideFrigate
    61. Death CavalryDeath Cavalry
    62. Naval Construction Turret
    63. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    64. Naval Construction Turret
    65. Advanced ShipyardAdvanced Shipyardnot finished by 15:00
    66. OppressorDestroyer
    67. RiptideFrigate
    68. HerringMissile corvette
    69. Death CavalryDeath Cavalry

Counts are medians over the build's games: half of them build more, half fewer. The example game is matje2o's (35 OS, 29/09/2026); 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

860 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
6:005033535253
7:0064791089590
8:00807318231036
9:00968328441610
10:001158939952337
11:001381552163090
12:001635861623828
13:001916272054613
14:002195883165726
15:002496293126596
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

matje2o

35.4 OS · 29/09/2026

Open source match ↗

7 received units · includes a constructor
108 metal received · 8349 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=858
Riptide3:52Middle 50%: 3:16–4:34 · n=846
Oppressor5:10Middle 50%: 4:13–6:08 · n=831
Advanced Metal Extractor9:57Middle 50%: 9:16–10:53 · n=731

Played most by

EpicTyrannus83games of this buildDamsko66games of this buildWaboum64games of this buildPRO_HYDRA58games of this buildMrCoolPotato51games of this build