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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 · 7 steps
    1. Mex ×2
    2. Wind
    3. Mex
    4. Wind ×3for Air
    5. Energy storage
    6. Tidal
    7. ShipyardShipyarddone 1:58 · 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 · 17 steps
    1. Construction ShipCon ship ×2
    2. HerringMissile corvette
    3. Mex
    4. OppressorDestroyerdone 3:46 · typical 5:08
    5. Mex ×2
    6. Naval Radar / Sonar TowerNaval Radar / Sonar Tower ×2
    7. UrchinUrchin
    8. Mex
    9. RiptideFrigatedone 4:39 · typical 3:52
    10. GuardGuard ×2
    11. Wind
    12. Mex
    13. GuardGuard
    14. UrchinUrchin
    15. Wind
    16. RiptideFrigate
    17. Wind
  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 · 97 steps
    1. RiptideFrigate
    2. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    3. GuardGuard
    4. Wind
    5. GuardGuard ×2
    6. Wind
    7. Mex
    8. Death CavalryDeath Cavalry
    9. Mex
    10. Wind
    11. RiptideFrigate
    12. Wind
    13. RiptideFrigate
    14. Mex
    15. Wind
    16. RiptideFrigate
    17. Mex
    18. HerringMissile corvette
    19. OppressorDestroyer
    20. GuardGuard
    21. Wind
    22. GuardGuard
    23. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    24. Wind
    25. GuardGuard
    26. Construction ShipCon ship
    27. Advanced Metal ExtractorT2 mexdone 8:58 · typical 9:57
    28. Death CavalryDeath Cavalry
    29. Radar TowerRadar Tower
    30. Tidal
    31. RiptideFrigate
    32. Tidal
    33. RiptideFrigate
    34. Tidal
    35. Advanced Metal ExtractorT2 mex
    36. RiptideFrigate
    37. Tidal
    38. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    39. HerringMissile corvette
    40. Tidal
    41. OppressorDestroyer
    42. Tidal
    43. Advanced Metal ExtractorT2 mex
    44. Tidal ×2
    45. Construction ShipCon ship
    46. Mex
    47. Tidal
    48. Construction ShipCon ship
    49. Mex
    50. Construction ShipCon ship
    51. Tidal
    52. Death CavalryDeath Cavalry ×2
    53. Tidal
    54. Radar TowerRadar Tower
    55. Advanced Metal ExtractorT2 mex
    56. Death CavalryDeath Cavalry
    57. Naval Construction Turret
    58. Tidal ×2
    59. Naval Construction Turret
    60. Tidal
    61. Advanced ShipyardAdvanced Shipyarddone 12:48
    62. Naval Construction Turret
    63. Tidal
    64. Metal storage
    65. Tidal
    66. BeholderBeholder ×2
    67. Tidal ×4
    68. Advanced Construction SubAdvanced Construction Sub
    69. Tidal
    70. Wind ×2
    71. Advanced Construction SubAdvanced Construction Sub
    72. Tidal
    73. Wind
    74. PathfinderPathfinder
    75. Wind
    76. Tidal
    77. PathfinderPathfinder
    78. Wind
    79. PathfinderPathfinder
    80. Wind
    81. Naval Advanced Metal ExtractorNaval Advanced Metal Extractordone 14:39
    82. Tidal
    83. Wind ×2
    84. Tidal
    85. Wind
    86. Tidal
    87. Wind
    88. PhantasmRadar jammer ship
    89. Tidal ×2
    90. Wind ×2
    91. Naval Construction Turret
    92. OasisOasis
    93. Tidal ×2
    94. Wind ×2
    95. Tidal ×2
    96. Wind
    97. Naval Construction Turret

Counts are medians over the build's games: half of them build more, half fewer. The example game is Adeus's (37 OS, 26/09/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine3 Wind to Airfirst at 1:53 · 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

Adeus

36.9 OS · 26/09/2026

Open source match ↗

7 received units · includes a constructor
517 metal received · 69186 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