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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 · 772 distinct matches · 104 players · 84% of Cortex Beach sea games · team won 55% of 835 · 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 772 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 ×4
    3. ShipyardShipyarddone 1:34 · 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 (35%) · con turret (35%)

    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. Windfor Air
    3. Construction ShipCon ship
    4. Wind ×2for Air
    5. Wind
    6. Mex
    7. Tidal
    8. SupporterGunboat
    9. HerringMissile corvette
    10. Naval Construction Turret
    11. OppressorDestroyerdone 4:16 · typical 5:08
    12. Mex ×2
    13. Tidal ×2
    14. Mex
    15. Mex
    16. RiptideFrigatedone 4:36 · typical 3:52
    17. Mex
    18. RiptideFrigate
    19. Con turret
    20. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    21. Radar TowerRadar 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 (48%) · 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 · 63 steps
    1. GuardGuard
    2. Mex
    3. ThistleThistle
    4. OppressorDestroyer
    5. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    6. HerringMissile corvette
    7. Wind
    8. OppressorDestroyer
    9. Wind
    10. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    11. Wind ×3
    12. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    13. Wind ×3
    14. Wind ×2
    15. Wind
    16. Wind
    17. Death CavalryDeath Cavalry
    18. Wind
    19. Wind
    20. Wind
    21. Wind
    22. Wind
    23. Wind
    24. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    25. Energy storage
    26. OppressorDestroyer
    27. Con turret
    28. OppressorDestroyer
    29. Death CavalryDeath Cavalry ×2
    30. HerringMissile corvette ×2
    31. OppressorDestroyer
    32. Mex
    33. OppressorDestroyer
    34. Mex
    35. SupporterGunboat ×3
    36. Advanced Metal ExtractorT2 mexdone 11:02 · typical 9:57
    37. GuardGuard
    38. OppressorDestroyer
    39. Advanced Metal ExtractorT2 mex
    40. Death CavalryDeath Cavalry
    41. OppressorDestroyer
    42. Advanced Metal ExtractorT2 mex
    43. Construction ShipCon ship
    44. HerringMissile corvette ×2
    45. RiptideFrigate ×2
    46. GuardGuard
    47. OppressorDestroyer
    48. GuardGuard ×2
    49. Advanced Metal ExtractorT2 mex
    50. BeholderBeholder
    51. HerringMissile corvette
    52. Dragon's TeethDragon's Teeth ×2
    53. HerringMissile corvette
    54. Dragon's TeethDragon's Teeth ×3
    55. Naval Construction Turret
    56. Construction ShipCon ship
    57. Naval Metal Storage
    58. RiptideFrigate
    59. ThistleThistle ×2
    60. RiptideFrigate ×2
    61. HerringMissile corvette
    62. OppressorDestroyer ×2
    63. RiptideFrigate ×2

Counts are medians over the build's games: half of them build more, half fewer. The example game is MischievousDragonGF's (43 OS, 25/09/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine3 Wind to Airfirst at 1:53 · 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 61% of games
  • Hephaestus1 Heavy transport from Airfirst at 2:16 · in 69% of games
  • Construction Bot1 Con bot from Geofirst at 2:28 · in 69% of games
  • Hercules1 Light transport from Airfirst at 2:35 · 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

835 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0040300
2:0093700
3:00156500
4:002523050
5:003700197100
6:005029535251
7:0064741100590
8:00807018551041
9:00967728731621
10:001159240072365
11:001380852273102
12:001636062233842
13:001911472554615
14:002195382755711
15:002492992656526
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

MischievousDragonGF

42.6 OS · 25/09/2026

Open source match ↗

5 received units · includes a constructor
67 metal received · 18207 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=833
Riptide3:52Middle 50%: 3:16–4:34 · n=826
Oppressor5:08Middle 50%: 4:12–6:06 · n=807
Advanced Metal Extractor9:57Middle 50%: 9:15–10:53 · n=708

Played most by

EpicTyrannus78games of this buildDamsko66games of this buildWaboum64games of this buildPRO_HYDRA57games of this buildMrCoolPotato51games of this build