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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 · 3 steps
    1. Mex ×3
    2. Wind
    3. ShipyardShipyarddone 1:13 · 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 · 27 steps
    1. Tidal
    2. HerringMissile corvette
    3. Construction ShipCon ship
    4. Tidal ×2
    5. Tidalfor Air
    6. SupporterGunboat ×3
    7. Mex
    8. HerringMissile corvette
    9. OrcaSubmarinedone 3:02
    10. Converter
    11. Mex
    12. Mex
    13. OrcaSubmarine
    14. Mex ×2
    15. Mex
    16. Energy storage
    17. Con turret
    18. Wind ×3
    19. HerringMissile corvette
    20. Wind ×3
    21. Con turret
    22. Wind ×3
    23. OrcaSubmarine
    24. Converter
    25. Wind
    26. Mex
    27. Converter
  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 · 193 steps
    1. OrcaSubmarine
    2. Wind
    3. Converter
    4. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    5. Converter
    6. Wind
    7. Wind
    8. SentrySentry
    9. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    10. Wind ×2
    11. Wind
    12. Wind
    13. SentrySentry
    14. OppressorDestroyerdone 6:27 · typical 5:09
    15. Wind
    16. Wind
    17. Wind
    18. Wind
    19. SentrySentry
    20. Wind ×2
    21. SentrySentry
    22. Wind
    23. BeholderBeholder
    24. Converter
    25. RiptideFrigatedone 6:49 · typical 3:51
    26. BeholderBeholder
    27. Wind
    28. NettleNettle
    29. Converter
    30. Wind
    31. BeholderBeholder
    32. Converter
    33. RiptideFrigate
    34. Wind
    35. Converter
    36. Mex
    37. NettleNettle
    38. Converter
    39. RiptideFrigate
    40. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    41. Wind
    42. Converter
    43. Advanced Metal ExtractorT2 mexdone 8:33 · typical 9:57
    44. Converter
    45. Wind
    46. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    47. Converter
    48. RiptideFrigate
    49. Wind
    50. Converter
    51. Wind
    52. RiptideFrigate
    53. Wind ×4
    54. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    55. Wind
    56. Advanced Metal ExtractorT2 mex
    57. Wind
    58. Wind
    59. Wind
    60. Wind
    61. Wind
    62. Wind ×2
    63. Wind
    64. Naval Construction Turret
    65. Wind ×2
    66. Wind
    67. Wind
    68. Wind
    69. Wind
    70. HerringMissile corvette
    71. Wind
    72. Wind
    73. Wind ×2
    74. Wind
    75. Wind
    76. Wind
    77. HerringMissile corvette
    78. Wind ×2
    79. Wind
    80. HerringMissile corvette
    81. Wind ×2
    82. Wind
    83. Wind
    84. Construction ShipCon ship
    85. Advanced Metal ExtractorT2 mex
    86. Wind
    87. Wind ×2
    88. Construction ShipCon ship
    89. Wind ×4
    90. Death CavalryDeath Cavalry
    91. Wind ×4
    92. Death CavalryDeath Cavalry
    93. Wind ×2
    94. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    95. Wind ×2
    96. Death CavalryDeath Cavalry
    97. Wind ×3
    98. Advanced Metal ExtractorT2 mex
    99. Wind ×2
    100. Construction ShipCon ship
    101. Wind ×3
    102. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    103. Wind ×6
    104. RiptideFrigate
    105. Wind
    106. Naval Construction Turret
    107. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    108. Wind
    109. Wind ×2
    110. Wind
    111. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    112. Wind
    113. RiptideFrigate
    114. Wind
    115. Wind
    116. Wind
    117. Wind
    118. Wind
    119. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    120. RiptideFrigate
    121. Wind
    122. Wind ×2
    123. Wind
    124. Wind
    125. Wind
    126. RiptideFrigate
    127. Wind
    128. Naval Construction Turret
    129. Wind
    130. Wind ×2
    131. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    132. Wind
    133. Wind
    134. RiptideFrigate
    135. Wind
    136. Naval Construction Turret
    137. Wind
    138. Wind ×2
    139. Wind
    140. Wind
    141. Naval Construction Turret
    142. Wind
    143. Wind
    144. OppressorDestroyer
    145. Naval Construction Turret
    146. Wind
    147. Wind ×2
    148. Naval Construction Turret
    149. Wind
    150. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    151. Naval Construction Turret
    152. Wind
    153. Wind
    154. Naval Construction Turret
    155. Wind
    156. Wind
    157. Wind
    158. OppressorDestroyer
    159. Wind
    160. Wind
    161. Wind
    162. Advanced Metal ExtractorT2 mex
    163. Naval Radar / Sonar TowerNaval Radar / Sonar Tower ×2
    164. OppressorDestroyer
    165. Wind
    166. Wind
    167. Wind
    168. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    169. Converter
    170. RiptideFrigate
    171. Wind ×2
    172. Converter
    173. Wind
    174. RiptideFrigate
    175. Wind
    176. Converter
    177. RiptideFrigate
    178. Wind ×2
    179. RiptideFrigate
    180. Converter
    181. RiptideFrigate
    182. Advanced Metal ExtractorT2 mex
    183. HerringMissile corvette
    184. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    185. HerringMissile corvette
    186. Wind ×2
    187. HerringMissile corvette
    188. Converter
    189. Wind ×2
    190. HerringMissile corvette ×2
    191. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    192. Converter
    193. HerringMissile corvette

Counts are medians over the build's games: half of them build more, half fewer. The example game is yeskinkot's (40 OS, 19/09/2026); 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

yeskinkot

40.1 OS · 19/09/2026

Open source match ↗

8 received units · includes a constructor
906 metal received · 73029 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