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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 · 7 steps
    1. Mex ×3
    2. Wind ×2
    3. Wind ×2for Air
    4. Energy storage
    5. Windfor Air
    6. GuardGuard
    7. ShipyardShipyarddone 2:05 · 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 · 19 steps
    1. Construction ShipCon ship ×2
    2. HerringMissile corvette ×2
    3. Mex ×2
    4. SupporterGunboat ×2
    5. Tidal
    6. Shark's TeethShark's Teeth
    7. SupporterGunboat
    8. Shark's TeethShark's Teeth ×2
    9. Mex
    10. Shark's TeethShark's Teeth
    11. Mex
    12. SupporterGunboat
    13. OrcaSubmarinedone 4:17
    14. Mex
    15. UrchinUrchin
    16. Con turret
    17. RiptideFrigatedone 4:51 · typical 3:52
    18. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    19. RiptideFrigate
  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 · 67 steps
    1. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    2. Wind
    3. Death CavalryDeath Cavalry
    4. Wind
    5. OrcaSubmarine
    6. Wind ×2
    7. RiptideFrigate
    8. Wind ×2
    9. OppressorDestroyerdone 7:00 · typical 5:10
    10. Wind ×2
    11. Bot LabBot Labdone 7:21
    12. Converter
    13. HerringMissile corvette
    14. Converter
    15. GruntGrunt
    16. Wind
    17. Construction BotCon bot
    18. Wind
    19. Construction ShipCon ship
    20. Mex
    21. Wind ×2
    22. RiptideFrigate
    23. TrasherTrasher
    24. Wind ×2
    25. Mex
    26. TrasherTrasher
    27. RiptideFrigate
    28. Wind
    29. Tidal
    30. Wind
    31. OppressorDestroyer
    32. Wind
    33. Tidal
    34. Converter
    35. Tidal ×2
    36. Converter
    37. Advanced Metal ExtractorT2 mexdone 10:39 · typical 9:57
    38. OrcaSubmarine
    39. Tidal
    40. Con turret
    41. Naval Construction Turret
    42. Advanced Metal ExtractorT2 mex
    43. CompassRadar bot
    44. Con turret
    45. Advanced Metal ExtractorT2 mex
    46. GuardGuard ×3
    47. Con turret
    48. Fusion ReactorFusiondone 14:04
    49. Con turret
    50. GuardGuard
    51. Con turret
    52. GuardGuard
    53. Radar TowerRadar Tower
    54. SAMSAM
    55. Converter ×2
    56. SAMSAM
    57. Converter ×3
    58. Fusion ReactorFusion
    59. Converter
    60. Dragon's TeethDragon's Teeth
    61. Converter
    62. Dragon's TeethDragon's Teeth ×7
    63. Converter
    64. Dragon's TeethDragon's Teeth ×3
    65. Converter
    66. Dragon's TeethDragon's Teeth ×2
    67. Converter

Counts are medians over the build's games: half of them build more, half fewer. The example game is Godmother13's (38 OS, 26/09/2026); 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

Godmother13

37.6 OS · 26/09/2026

Open source match ↗

16 received units · includes a constructor
86 metal received · 48568 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