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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 · 1589 distinct matches · 207 players · 84% of Cortex Beach sea games · team won 55% of 1793 · 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 1589 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 ×3for Air
    3. GuardGuard
    4. Windfor Air
    5. Wind
    6. Energy storage
    7. ShipyardShipyarddone 2:05 · 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 (38%) · wind (37%) · submarine (36%) · wind (36%)

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

    The example game in this phase · 22 steps
    1. Construction ShipCon ship ×2
    2. HerringMissile corvette
    3. Mex
    4. HerringMissile corvette
    5. Wind ×3
    6. Mex
    7. Wind
    8. Mex
    9. Mex
    10. RiptideFrigate ×2done 3:38 · typical 3:50
    11. SentrySentry
    12. Mex
    13. RiptideFrigate
    14. Mex
    15. Wind
    16. Mex
    17. GuardGuard
    18. Wind
    19. RiptideFrigate
    20. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    21. Wind
    22. RiptideFrigate
  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%) · tidal (39%) · Radar Tower (39%) · 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 · 72 steps
    1. Wind
    2. Death CavalryDeath Cavalry
    3. Wind
    4. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    5. Death CavalryDeath Cavalry
    6. Con turret
    7. Wind
    8. OppressorDestroyerdone 6:41 · typical 5:15
    9. Wind
    10. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    11. UrchinUrchin
    12. Wind
    13. HerringMissile corvette
    14. Converter ×2
    15. Wind
    16. Advanced Metal ExtractorT2 mexdone 8:25 · typical 9:58
    17. Death CavalryDeath Cavalry
    18. Energy storage
    19. GuardGuard
    20. Wind
    21. RiptideFrigate
    22. Wind
    23. RiptideFrigate
    24. Wind ×2
    25. RiptideFrigate
    26. Wind
    27. Advanced Metal ExtractorT2 mex
    28. Naval Construction Turret
    29. Wind ×4
    30. Advanced ShipyardAdvanced Shipyarddone 10:33
    31. Wind ×3
    32. ShipyardEat Shipyardreclaimed for its metal
    33. Wind ×2
    34. Advanced Metal ExtractorT2 mex
    35. Wind ×4
    36. Converter
    37. Wind
    38. DespotBattleshipnot finished by 15:00
    39. Converter
    40. Wind
    41. Converter
    42. BuccaneerCruiserdone 11:17
    43. Converter ×2
    44. Wind
    45. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    46. Converter ×2
    47. Wind
    48. BuccaneerCruiser
    49. Advanced Metal ExtractorT2 mex
    50. Converter
    51. Naval Construction Turret
    52. Wind
    53. ShipyardShipyarddone 12:10
    54. BuccaneerCruiser
    55. Wind
    56. Death CavalryDeath Cavalry
    57. Wind
    58. Death CavalryDeath Cavalry
    59. BuccaneerCruiser
    60. Death CavalryDeath Cavalry
    61. Wind
    62. BuccaneerCruiser
    63. Con turret
    64. Wind
    65. Death CavalryDeath Cavalry
    66. Wind
    67. Con turret ×2
    68. Wind
    69. Con turret ×3
    70. Fusion ReactorFusionnot finished by 15:00
    71. Con turret
    72. Wind ×6

Counts are medians over the build's games: half of them build more, half fewer. The example game is dzikiTygrys12's (33 OS, 25/09/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine3 Wind to Airfirst at 1:46 · 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 8:08 · in 89% 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

1793 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0040300
2:0093700
3:00155300
4:002540051
5:003716176101
6:005045487280
7:006492972592
8:00807016651001
9:00967926141532
10:001153637242325
11:001368547443105
12:001625058553875
13:001895168784645
14:002167379245691
15:002456588566520
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

dzikiTygrys12

32.8 OS · 25/09/2026

Open source match ↗

7 received units · includes a constructor
86 metal received · 102008 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=1790
Riptide3:50Middle 50%: 3:12–4:34 · n=1747
Oppressor5:15Middle 50%: 4:29–6:06 · n=1726
Advanced Metal Extractor9:58Middle 50%: 9:17–10:54 · n=1517

Played most by

EpicTyrannus120games of this buildDamsko69games of this buildKbot_my_Ahole67games of this buildWaboum64games of this buildPRO_HYDRA63games of this build