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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%) · geo on time (83%)

#naval #eco · 1270 distinct matches · 170 players · 55% of Cortex Geo sea games · team won 54% of 1413 · 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 1270 GAMES · AGAINST STANDARD GEO SEA
  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 Turbine2Windfor allies+2 vs standard
    Order
    1. Bot LabBot Lab after 3 mex, 3 winddone ~1:12, middle half 1:08–1:21

    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 1:35 · typical 1:12
  2. 2

    Bot Lab to Shipyard

    Economy
    • Metal Extractor1Mex
    • Wind Turbine2Wind
    Order
    1. ShipyardShipyard after 4 mex, 4 wind, 1 energy storagedone ~3:19, middle half 3:02–3:38
    Builders
    • Graverobber3 Graverobber
    • Construction Bot3 Con bot
    Army
    • Grunt1 Grunt

    Some games also: con turret (47%) · trasher (40%) · energy storage (38%)

    By 2:54 in all: 4 mex · 4 wind · 1 energy storage

    The example game in this phase · 17 steps
    1. Solar
    2. GraverobberGraverobber
    3. Energy storage
    4. GraverobberGraverobber
    5. TrasherTrasher ×2
    6. GraverobberGraverobber
    7. Construction BotCon bot ×2
    8. Con turret
    9. Construction BotCon bot
    10. Mex
    11. JellyfishJellyfish
    12. Converter
    13. Mex
    14. GruntGrunt
    15. Converter
    16. Dragon's TeethDragon's Teeth
    17. ShipyardShipyarddone 4:16 · typical 3:19
  3. 3

    Shipyard to 5:00

    Economy
    • Metal Extractor4Mex
    Order
    1. Bot LabEat Bot Lab
    Builders
    • Construction Ship1 Con ship
    Army
    • Guard1 Guard
    • Riptide2 Frigate
    • Orca1 Submarine
    • Herring1 Missile corvette
    Other
    • Radar Tower1 Radar Tower

    Some games also: wind (48%) · gunboat (44%) · destroyer (43%) · converter (40%) · con turret (31%)

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

    The example game in this phase · 12 steps
    1. Mex
    2. Radar TowerRadar Tower
    3. Bot LabEat Bot Labreclaimed for its metal
    4. OrcaSubmarinedone 4:36 · typical 4:20
    5. Converter
    6. GuardGuard
    7. Wind
    8. Construction ShipCon ship
    9. Wind
    10. RiptideFrigatedone 5:00 · typical 4:46
    11. Wind
    12. Mex
  4. 4

    5:00 to 10:00

    Economy
    • Metal Extractor2Mex
    • Wind Turbine6Wind−8 vs standard
    • Energy Converter3Converter+3 vs standard
    Order
    1. Geothermal PowerplantGeo after 9 mex, 9 wind, 2 converterin 78% of games
    Builders
    • Construction Turret1 Con turret
    • Death Cavalry2 Death Cavalry
    • Construction Ship1 Con ship
    Army
    • Guard2 Guard
    • Riptide5 Frigate
    • Herring2 Missile corvette

    Some games also: Thistle (41%) · submarine (31%) · Urchin (30%)

    By 10:00 in all: 10 mex · 13 wind (standard 21) · 1 geo · 4 converter (standard 2) · 1 energy storage · 2 con turret

    The example game in this phase · 75 steps
    1. RiptideFrigate
    2. Wind ×2
    3. RiptideFrigate
    4. Mex
    5. Wind ×2
    6. UrchinUrchin
    7. OppressorDestroyerdone 6:54 · typical 5:58
    8. Wind
    9. Converter
    10. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    11. Wind ×4
    12. HerringMissile corvette
    13. Death CavalryDeath Cavalry
    14. OrcaSubmarine
    15. Construction ShipCon ship
    16. RiptideFrigate
    17. Advanced Metal ExtractorT2 mexdone 9:20 · typical 9:24
    18. Geothermal PowerplantGeodone 9:31 · typical 8:13
    19. RiptideFrigate ×2
    20. OppressorDestroyer
    21. Advanced Metal ExtractorT2 mex
    22. Radar TowerRadar Tower
    23. GuardGuard
    24. HerringMissile corvette
    25. Converter
    26. Death CavalryDeath Cavalry
    27. Mex
    28. Converter
    29. Construction ShipCon ship
    30. UrchinUrchin
    31. RiptideFrigate
    32. Converter
    33. Advanced Metal ExtractorT2 mex
    34. RiptideFrigate
    35. Converter
    36. RiptideFrigate
    37. OppressorDestroyer
    38. HerringMissile corvette
    39. Death CavalryDeath Cavalry
    40. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    41. Death CavalryDeath Cavalry
    42. Advanced Metal ExtractorT2 mex
    43. Death CavalryDeath Cavalry
    44. Construction ShipCon ship
    45. RiptideFrigate
    46. Naval Construction Turret
    47. RiptideFrigate ×2
    48. Tidal
    49. OppressorDestroyer
    50. Tidal
    51. Advanced Metal ExtractorT2 mex
    52. Naval Construction Turret
    53. HerringMissile corvette
    54. Death CavalryDeath Cavalry
    55. Tidal
    56. Construction ShipCon ship
    57. Tidal
    58. RiptideFrigate
    59. Tidal
    60. RiptideFrigate
    61. Tidal ×2
    62. RiptideFrigate
    63. Tidal
    64. Naval Construction Turret
    65. RiptideFrigate
    66. OppressorDestroyer
    67. Advanced Metal ExtractorT2 mex
    68. Tidal
    69. HerringMissile corvette
    70. Tidal
    71. Death CavalryDeath Cavalry
    72. Tidal ×2
    73. RiptideFrigate
    74. Tidal ×2
    75. Naval Construction Turret

Counts are medians over the build's games: half of them build more, half fewer. The example game is Zus's (36 OS, 12/10/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine2 Wind to Airfirst at 1:41 · in 75% of games

You get

  • Finch1 Finch from Airfirst at 1:52 · in 83% of games
  • Hercules1 Light transport from Airfirst at 2:00 · in 77% of games
  • Advanced Construction Bot1 T2 con bot from Techfirst at 7:42 · 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

1413 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0039800
2:0092900
3:00155300
4:002865050
5:00405815052
6:005404465250
7:006875920551
8:0085571551910
9:001039924551343
10:001255235432041
11:001514246792801
12:001819060503692
13:002150672774461
14:002526386485371
15:002910799476381
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

Zus

35.7 OS · 12/10/2026

Open source match ↗

4 received units · includes a constructor
379 metal received · 11296 energy received

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

Typical milestones

Bot Lab1:12Middle 50%: 1:08–1:21 · n=1404
Shipyard3:19Middle 50%: 3:02–3:38 · n=1408
Orca4:20Middle 50%: 3:51–5:01 · n=918
Riptide4:46Middle 50%: 4:11–5:29 · n=1371
Oppressor5:58Middle 50%: 5:13–6:47 · n=1321
Geothermal Powerplant8:13Middle 50%: 7:13–9:26 · n=1346
Advanced Metal Extractor9:24Middle 50%: 8:48–10:21 · n=1244

Played most by

Elpoloow113games of this buildhihimik67games of this buildSHOGVN59games of this buildPRO_Rerory52games of this buildAlphacure50games of this build