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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 · 4 steps
    1. Mex ×3
    2. Wind ×5
    3. Energy storage
    4. ShipyardShipyarddone 1:55 · 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 · 21 steps
    1. Tidal
    2. Construction ShipCon ship ×2
    3. Tidal
    4. RiptideFrigatedone 2:54 · typical 3:52
    5. Mex ×3
    6. RiptideFrigate
    7. Mex
    8. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    9. OppressorDestroyerdone 4:35 · typical 5:10
    10. UrchinUrchin
    11. Con turret
    12. Mex
    13. UrchinUrchin
    14. Mex ×2
    15. GuardGuard
    16. Construction ShipCon ship
    17. Wind
    18. ThistleThistle
    19. Mex
    20. Wind
    21. HerringMissile corvette
  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 · 46 steps
    1. Radar TowerRadar Tower
    2. Wind ×2
    3. RiptideFrigate
    4. Wind
    5. GuardGuard
    6. Wind ×2
    7. GuardGuard
    8. Death CavalryDeath Cavalry
    9. Mex
    10. Wind ×4
    11. Construction ShipCon ship
    12. Wind ×2
    13. RiptideFrigate
    14. Wind ×3
    15. RiptideFrigate
    16. Wind ×2
    17. RiptideFrigate
    18. Wind
    19. Mex
    20. Wind
    21. OppressorDestroyer
    22. Wind
    23. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    24. Wind
    25. Dragon's TeethDragon's Teeth ×7
    26. HerringMissile corvette
    27. Wind
    28. RiptideFrigate
    29. Wind
    30. Death CavalryDeath Cavalry
    31. Mex
    32. Wind
    33. Construction ShipCon ship
    34. Mex
    35. RiptideFrigate
    36. Wind
    37. Mex
    38. RiptideFrigate
    39. Wind
    40. RiptideFrigate
    41. Wind
    42. OppressorDestroyer
    43. Wind ×3
    44. Mex
    45. Wind ×2
    46. HerringMissile corvette

Counts are medians over the build's games: half of them build more, half fewer. The example game is Graceful's (36 OS, 03/09/2026); 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

Graceful

35.6 OS · 03/09/2026

Open source match ↗

5 received units · includes a constructor
777 metal received · 19692 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