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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 · 5 steps
    1. Mex ×3
    2. Solar
    3. Wind ×3for Air
    4. Energy storage
    5. ShipyardShipyarddone 1:54 · 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 · 26 steps
    1. Construction ShipCon ship ×2
    2. Tidal
    3. Wind
    4. HerringMissile corvette
    5. Mex
    6. Wind ×2
    7. Mex
    8. HerringMissile corvette
    9. Shark's TeethShark's Teeth ×4
    10. SupporterGunboat
    11. Mex
    12. SupporterGunboat
    13. Mex
    14. SupporterGunboat
    15. Con turret
    16. Mex
    17. SupporterGunboat
    18. UrchinUrchin
    19. OrcaSubmarinedone 4:14
    20. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    21. RiptideFrigatedone 4:42 · typical 3:51
    22. Wind ×2
    23. RiptideFrigate
    24. Mex
    25. Wind
    26. Mex
  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 · 92 steps
    1. OppressorDestroyerdone 6:17 · typical 5:09
    2. Wind
    3. UrchinUrchin
    4. Wind
    5. GuardGuard
    6. UrchinUrchin
    7. Naval Construction Turret
    8. GuardGuard
    9. Wind ×2
    10. UrchinUrchin
    11. Naval Construction Turret
    12. RiptideFrigate
    13. Wind
    14. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    15. Shark's TeethShark's Teeth
    16. Wind
    17. Shark's TeethShark's Teeth
    18. Wind
    19. Shark's TeethShark's Teeth ×2
    20. Wind
    21. OrcaSubmarine
    22. Wind
    23. Shark's TeethShark's Teeth
    24. Wind ×4
    25. UrchinUrchin
    26. Death CavalryDeath Cavalry
    27. Converter
    28. UrchinUrchin
    29. Construction ShipCon ship
    30. Converter
    31. RiptideFrigate
    32. Converter
    33. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    34. OppressorDestroyer
    35. Converter
    36. UrchinUrchin
    37. GuardGuard ×2
    38. Converter
    39. GuardGuard
    40. Advanced Metal ExtractorT2 mexdone 10:27 · typical 9:57
    41. HerringMissile corvette
    42. Converter
    43. RiptideFrigate
    44. Death CavalryDeath Cavalry
    45. UrchinUrchin
    46. OppressorDestroyer
    47. Naval Construction Turretfor Geo sea
    48. Naval Construction Turret
    49. Advanced Metal ExtractorT2 mex
    50. Tidal
    51. Construction ShipCon ship
    52. Tidal
    53. RiptideFrigate
    54. Advanced ShipyardAdvanced Shipyarddone 11:50
    55. Tidal
    56. Naval Construction Turret
    57. Advanced Metal ExtractorT2 mex
    58. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    59. Naval Construction Turret
    60. Tidal ×2
    61. Advanced Construction SubAdvanced Construction Sub
    62. Tidal ×5
    63. PathfinderPathfinder
    64. Tidal ×2
    65. PathfinderPathfinder
    66. PhantasmRadar jammer ship
    67. Tidal
    68. Naval Advanced Metal ExtractorNaval Advanced Metal Extractordone 13:12
    69. BuccaneerCruisernot finished by 15:00
    70. UrchinUrchin
    71. Tidal
    72. UrchinUrchin
    73. Advanced Metal ExtractorT2 mex
    74. Tidal ×2
    75. UrchinUrchin
    76. Naval Construction Turret ×3
    77. Tidal
    78. Naval Advanced Metal ExtractorNaval Advanced Metal Extractor
    79. UrchinUrchin
    80. DespotBattleshipdone 14:38
    81. UrchinUrchin
    82. Tidal
    83. Naval Advanced Metal ExtractorNaval Advanced Metal Extractor
    84. Tidal
    85. Shark's TeethShark's Teeth ×2
    86. Tidal
    87. UrchinUrchin
    88. BuccaneerCruiser
    89. Tidal
    90. UrchinUrchin
    91. BuccaneerCruiser
    92. UrchinUrchin

Counts are medians over the build's games: half of them build more, half fewer. The example game is Godmother13's (37 OS, 23/09/2026); 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

Godmother13

36.8 OS · 23/09/2026

Open source match ↗

5 received units · includes a constructor
0 metal received · 49899 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