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Beach sea / Cortex / Economy first / OBSERVED BUILD

Standard beach sea

Cortex Beach sea build order · Supreme Isthmus

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 (93%)

#naval #eco · 1628 distinct matches · 209 players · 84% of Cortex Beach sea games · team won 55% of 1833 · Recently observed

HOW TO PLAY IT

Key timing: Shipyard by 1:56

  1. Open 3 mex, then send com to sea to build Shipyard by 1:56.
  2. Add tidal generators, wind and more mex to fund the shipyard.
  3. Pump Riptide first, then Oppressor to contest enemy sea entry.
  4. Get T2 constructor out to start scaling the naval economy.
  5. Transition into Advanced Metal Extractor as the economy phase begins.

Phase by phase

TYPICAL OF ITS 1628 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 ~1:56, middle half 1:43–2:07

    Some games also: Guard (30%)

    By 1:39 in all: 3 mex · 2 wind · 1 energy storage

    The example game in this phase · 7 steps
    1. Mex ×3
    2. Wind ×3
    3. GuardGuard
    4. Mex
    5. GuardGuard
    6. Con turret
    7. ShipyardShipyarddone 2:20 · typical 1:56
  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 (46%) · mex (37%) · wind (37%) · submarine (36%) · wind (35%)

    By 5:00 in all: 8 mex · 3 wind · 2 tidal · 1 energy storage

    The example game in this phase · 33 steps
    1. Construction ShipCon ship ×4
    2. Mex ×2
    3. Wind
    4. Mex
    5. HerringMissile corvette
    6. Tidal ×2
    7. Wind
    8. Tidal
    9. Wind
    10. HerringMissile corvette
    11. Wind
    12. Tidal
    13. HerringMissile corvette
    14. Wind
    15. Converter
    16. Wind
    17. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    18. HerringMissile corvette
    19. Converter
    20. Wind
    21. Converter
    22. UrchinUrchin
    23. HerringMissile corvette
    24. Tidal
    25. Mex
    26. Wind
    27. Converter
    28. HerringMissile corvette
    29. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    30. Naval Energy Converter
    31. Wind
    32. HerringMissile corvette
    33. Naval Energy Storage
  3. 3

    5:00 to 10:00

    Economy
    • Metal Extractor1Mex
    • Wind Turbine8Wind
    Builders
    • Construction Ship1 Con ship
    • Death Cavalry1 Death Cavalry
    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 (49%) · Guard (47%) · Radar Tower (40%) · tidal (40%) · wind (34%)

    By 10:00 in all: 9 mex · 10 wind · 4 wind · 4 tidal · 1 energy storage · 1 Naval Construction Turret

    The example game in this phase · 90 steps
    1. Wind
    2. HerringMissile corvette
    3. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    4. HerringMissile corvette
    5. Wind
    6. Naval Energy Converter ×2
    7. HerringMissile corvette
    8. Wind
    9. HerringMissile corvette
    10. Wind
    11. HerringMissile corvette ×3
    12. Wind
    13. OrcaSubmarinedone 6:49
    14. Wind
    15. Death CavalryDeath Cavalry
    16. Wind
    17. Converter
    18. Wind
    19. Converter
    20. Wind
    21. HerringMissile corvette
    22. Wind
    23. Converter
    24. HerringMissile corvette
    25. Wind
    26. Converter
    27. HerringMissile corvette
    28. Wind
    29. HerringMissile corvette
    30. Converter
    31. Wind ×2
    32. HerringMissile corvette ×2
    33. Wind
    34. HerringMissile corvette ×2
    35. Wind
    36. HerringMissile corvette
    37. OrcaSubmarine
    38. Wind
    39. Advanced Metal ExtractorT2 mexdone 10:00 · typical 9:59
    40. Wind
    41. HerringMissile corvette ×7
    42. Advanced Metal ExtractorT2 mex
    43. HerringMissile corvette ×8
    44. Advanced Metal ExtractorT2 mex
    45. OrcaSubmarine ×3
    46. Converter
    47. Advanced Metal ExtractorT2 mex
    48. Converter
    49. OrcaSubmarine
    50. Converter ×2
    51. OrcaSubmarine
    52. Converter
    53. Wind ×2
    54. Converter
    55. Wind
    56. OrcaSubmarine
    57. Wind
    58. OrcaSubmarine
    59. Wind ×2
    60. OrcaSubmarine
    61. Wind
    62. OrcaSubmarine
    63. Wind ×2
    64. OrcaSubmarine
    65. Wind
    66. Naval Construction Turret
    67. Wind ×3
    68. Naval Construction Turret
    69. OrcaSubmarine
    70. Wind
    71. Naval Construction Turret
    72. Wind ×2
    73. Naval Construction Turret
    74. Wind
    75. OrcaSubmarine
    76. Wind
    77. Tidal
    78. Naval Energy Converter
    79. Wind
    80. Tidal
    81. OrcaSubmarine
    82. Tidal
    83. Wind
    84. Naval Energy Converter
    85. OrcaSubmarine
    86. Tidal
    87. Wind
    88. Tidal
    89. Wind
    90. Tidal

Counts are medians over the build's games: half of them build more, half fewer. The example game is hannibalrising's (31 OS, 28/09/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine3 Wind to Airfirst at 1:45 · in 77% of games

You get

  • Finch1 Finch from Airfirst at 2:00 · in 80% of games
  • Lazarus1 Lazarus from Geofirst at 2:13 · in 63% of games
  • Hephaestus1 Heavy transport from Airfirst at 2:16 · in 64% of games
  • Construction Bot1 Con bot from Geofirst at 2:26 · in 70% of games
  • Hercules1 Light transport from Airfirst at 2:34 · 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

1833 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0040300
2:0093700
3:00155300
4:002540051
5:003718175101
6:005051484280
7:006495980591
8:00807616611000
9:00968426141531
10:001154137112310
11:001368447273081
12:001624857883861
13:001892268754629
14:002164779245680
15:002455588886526
WHAT THE NUMBERS SAY

Standard Beach sea play has the lowest team win rate of these builds and destroys far less enemy metal early than it loses eco time.

  • + Metal produced climbs to 24945 by 15:00, the highest of all six roles.
  • + Riptide and Oppressor together make 63% of army, a focused naval composition.
  • − Enemy metal destroyed is only 200 by 5:00, barely contesting early sea.
  • − T2 factory only reached in 35% of games, behind other roles' T2 timing.
THE EXAMPLE YOU ARE READING

hannibalrising

31.1 OS · 28/09/2026

Open source match ↗

4 received units · includes a constructor
288 metal received · 96069 energy received

Allied construction assistance is unknown. Timings are observations, not a promise of solo reproducibility.

Typical milestones

Shipyard1:56Middle 50%: 1:43–2:07 · n=1830
Riptide3:50Middle 50%: 3:12–4:34 · n=1786
Oppressor5:15Middle 50%: 4:29–6:07 · n=1766
Advanced Metal Extractor9:59Middle 50%: 9:17–10:54 · n=1543

Played most by

EpicTyrannus120games of this buildDamsko69games of this buildKbot_my_Ahole67games of this buildfanboi64games of this buildSHOGVN64games of this build