BAR / BUILD ATLAS
← All builds
Geo sea / Cortex / Economy first / OBSERVED BUILD

Standard geo sea

Cortex Geo sea build order · Supreme Isthmus

The role's default economy-first opening: bot lab then shipyard in the cove, early frigate and destroyer with a sub, taking geo on time before transitioning into a mixed navy for the rest of the game.

Usually shipyard in the cove (98%)

#naval #eco · 1767 distinct matches · 190 players · 80% of Cortex Geo sea games · team won 53% of 2066 · Recently observed

HOW TO PLAY IT

Key timing: Bot Lab by 1:12, Shipyard by 3:17

  1. Open 3 mex into wind, then drop Bot Lab in cove.
  2. Finish Bot Lab, keep teching mex and wind.
  3. Get Shipyard up and start pumping subs and frigates.
  4. Eat the Bot Lab for metal once you have T1 units defending.
  5. Push out submarine, frigate, destroyer to contest sea.
  6. Bring geothermal online and transition toward T2 constructor.

Phase by phase

TYPICAL OF ITS 1767 GAMES
  1. 1
  2. 2
  3. 3
  4. 4
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 Bot Lab

    Economy
    • Metal Extractor3Mex
    • Wind Turbine3Wind
    • Wind Turbine1Windfor allies
    Order
    1. Bot LabBot Lab after 3 mex, 3 winddone ~1:13, middle half 1:07–1:25

    By 0:55 in all: 3 mex · 3 wind

    The example game in this phase · 4 steps
    1. Mex ×3
    2. Wind ×2for Air
    3. Wind ×4
    4. Bot LabBot Labdone 1:26 · typical 1:13
  2. 2

    Bot Lab to Shipyard

    Economy
    • Metal Extractor1Mex
    • Wind Turbine1Wind
    Order
    1. ShipyardShipyard after 4 mex, 5 wind, 1 energy storagedone ~3:18, middle half 3:02–3:36
    Builders
    • Construction Bot3 Con bot
    • Graverobber2 Graverobber
    Army
    • Grunt1 Grunt

    Some games also: con turret (46%) · trasher (39%) · energy storage (36%)

    By 2:52 in all: 4 mex · 5 wind · 1 energy storage

    The example game in this phase · 17 steps
    1. Wind
    2. Construction BotCon bot
    3. GraverobberGraverobber
    4. Construction BotCon bot
    5. GraverobberGraverobber
    6. Con turret
    7. Mex
    8. Construction BotCon bot
    9. GraverobberGraverobber ×2
    10. Wind ×2
    11. Mex
    12. Wind ×2
    13. ThistleThistle
    14. Wind
    15. Bot LabEat Bot Labreclaimed for its metal
    16. Wind
    17. ShipyardShipyarddone 3:44 · typical 3:18
  3. 3

    Shipyard to 5:00

    Economy
    • Metal Extractor4Mex
    Order
    1. Bot LabEat Bot Lab
    Builders
    • Construction Ship1 Con ship
    Army
    • Riptide2 Frigate
    • Orca1 Submarine
    Other
    • Radar Tower1 Radar Tower

    Some games also: missile corvette (49%) · wind (49%) · Guard (48%) · destroyer (44%) · gunboat (39%)

    By 5:00 in all: 8 mex · 6 wind · 1 energy storage · 1 con turret

    The example game in this phase · 17 steps
    1. Wind
    2. ThistleThistle
    3. Mex
    4. Wind ×2
    5. Construction ShipCon ship
    6. Wind
    7. Mex
    8. GuardGuard
    9. Death CavalryDeath Cavalry
    10. RiptideFrigate ×2done 4:20 · typical 4:40
    11. Mex
    12. GuardGuard
    13. Mex
    14. OppressorDestroyerdone 5:39 · typical 5:54
    15. Converter
    16. GuardGuard
    17. Converter
  4. 4

    5:00 to 10:00

    Economy
    • Metal Extractor2Mex
    • Wind Turbine8Wind
    • Energy Converter2Converter
    Order
    1. Geothermal PowerplantGeo after 9 mex, 9 wind, 2 converterin 53% of games
    Builders
    • Construction Turret1 Con turret
    • Death Cavalry2 Death Cavalry
    • Construction Ship1 Con ship
    Army
    • Guard1 Guard
    • Riptide5 Frigate
    Other
    • Naval Radar / Sonar Tower2 Naval Radar / Sonar Tower

    Some games also: Thistle (39%) · submarine (32%)

    By 10:00 in all: 10 mex · 15 wind · 1 geo · 4 converter · 1 energy storage · 2 con turret

    The example game in this phase · 106 steps
    1. Mex
    2. Geothermal PowerplantGeodone 7:33 · typical 8:13
    3. Converter
    4. GuardGuard ×2
    5. OppressorDestroyer
    6. GuardGuard
    7. Mex
    8. GuardGuard
    9. HerringMissile corvette ×2
    10. GuardGuard
    11. HerringMissile corvette ×3
    12. Mex
    13. RiptideFrigate
    14. GuardGuard
    15. Converter
    16. RiptideFrigate
    17. Converter
    18. Mex
    19. RiptideFrigate
    20. Converter ×2
    21. OppressorDestroyer
    22. Converter ×2
    23. Mex
    24. Advanced Metal ExtractorT2 mexdone 9:36 · typical 9:25
    25. Construction ShipCon ship
    26. Naval Construction Turret
    27. Tidal ×3
    28. Advanced Metal ExtractorT2 mex
    29. Wind
    30. Naval Construction Turret
    31. Tidal
    32. Bot LabBot Labdone 10:06
    33. Naval Construction Turret
    34. Wind
    35. Tidal
    36. Naval Construction Turret
    37. Construction BotCon bot
    38. ThugThug
    39. Naval Construction Turret
    40. Tidal
    41. ThugThug
    42. Wind
    43. Naval Construction Turret
    44. ThugThug
    45. Amphibious ComplexAmphibious Complexdone 10:46
    46. ThugThug ×2
    47. Tidal
    48. Advanced Metal ExtractorT2 mex
    49. Wind ×2
    50. GarpikeGarpike
    51. SalamanderSalamander
    52. Tidal
    53. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    54. Wind
    55. SalamanderSalamander
    56. Bot LabEat Bot Labreclaimed for its metal
    57. Wind ×2
    58. Tidal
    59. SalamanderSalamander
    60. Wind ×2
    61. SalamanderSalamander
    62. Death CavalryDeath Cavalry
    63. Wind ×2
    64. Tidal
    65. SalamanderSalamander
    66. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    67. Tidal
    68. Wind
    69. SalamanderSalamander
    70. Advanced Metal ExtractorT2 mex
    71. Wind
    72. Tidal
    73. SalamanderSalamander
    74. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    75. Wind ×2
    76. RiptideFrigate
    77. Wind
    78. Naval Construction Turret
    79. RiptideFrigate
    80. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    81. Naval Construction Turret
    82. Wind
    83. Naval Construction Turret
    84. Advanced Metal ExtractorT2 mex
    85. RiptideFrigate
    86. Naval Construction Turret
    87. GuardGuard
    88. Wind
    89. RiptideFrigate
    90. Naval Construction Turret
    91. GuardGuard
    92. RiptideFrigate
    93. Advanced ShipyardAdvanced Shipyarddone 13:53
    94. Wind
    95. ShipyardEat Shipyardreclaimed for its metal
    96. GuardGuard
    97. BrimstoneAnti-swarm shipdone 14:05
    98. Wind
    99. Advanced Metal ExtractorT2 mex
    100. BrimstoneAnti-swarm ship
    101. Wind
    102. BrimstoneAnti-swarm ship ×3
    103. Wind
    104. Naval Construction Turret ×3
    105. Arrow StormAnti-air shipnot finished by 15:00
    106. Naval Construction Turret

Counts are medians over the build's games: half of them build more, half fewer. The example game is Sarge6194's (33 OS, 04/10/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine2 Wind to Airfirst at 1:44 · in 72% of games

You get

  • Finch1 Finch from Airfirst at 1:52 · in 82% of games
  • Hercules1 Light transport from Airfirst at 1:59 · in 76% of games
  • Advanced Construction Bot1 T2 con bot from Techfirst at 7:44 · in 90% 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

2066 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0039800
2:0092900
3:00155700
4:002865051
5:00406614652
6:005414440232
7:006890905543
8:0085731547908
9:001040824581353
10:001253035282022
11:001507247082804
12:001801760503661
13:002121672254375
14:002477884365224
15:002858596396201
WHAT THE NUMBERS SAY

This is the role's own baseline, winning a bit over half its games with steady eco scaling and sea trades roughly matching losses.

  • + Team wins slightly over half of games played.
  • + Metal production scales from ~4k to ~29.5k by 15:00.
  • − Own metal lost climbs to 6875 by 15:00, matching kills closely.
  • − T2 factory only reached in 40% of games, limiting late power.
THE EXAMPLE YOU ARE READING

Sarge6194

32.6 OS · 04/10/2026

Open source match ↗

3 received units · includes a constructor
294 metal received · 15156 energy received

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

Typical milestones

Bot Lab1:13Middle 50%: 1:07–1:25 · n=2039
Shipyard3:18Middle 50%: 3:02–3:36 · n=2057
Orca4:17Middle 50%: 3:52–5:00 · n=1397
Riptide4:40Middle 50%: 4:09–5:22 · n=2013
Oppressor5:54Middle 50%: 5:11–6:40 · n=1890
Geothermal Powerplant8:13Middle 50%: 7:13–9:26 · n=1343
Advanced Metal Extractor9:25Middle 50%: 8:48–10:21 · n=1801

Played most by

SHOGVN221games of this buildsirniho126games of this buildElpoloow118games of this buildOptimusprimenutt95games of this buildhihimik72games of this build