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

Counts are medians over the build's games: half of them build more, half fewer. The example game is RitualMurder's (39 OS, 07/09/2026); 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

RitualMurder

39.0 OS · 07/09/2026

Open source match ↗

5 received units · includes a constructor
97 metal received · 53469 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