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Geo / Cortex / Economy first / OBSERVED BUILD

Tzar rush

Cortex Geo build order · Supreme Isthmus

Geo rushes its own vehicle plant and advanced vehicle plant to field a Tzar (or early Tiger) around 6:40, far earlier than the role's typical first-Sheldon timing, pushing it to the middle with T2 vehicle artillery and support.

#t2 #push #rush · 33 distinct matches · 22 players · 4% of Cortex Geo games · team won 55% of 33 · Recently observed

THE CATCH, AND WHAT COMES WITH IT
  • TzarT2 vehicle assault from 6:41 · 3% of role by thenFrom the Advanced Vehicle Plant. Only 3% of Geo games have it by then; others who build it get it around 10:12
  • Advanced Vehicle PlantAdvanced Vehicle Plant in 100%11% of all Geo games by then
  • ObscurerJammer in 70%8% of all Geo games by then
  • Vehicle PlantVehicle Plant in 67%14% of all Geo games by then
  • QuakerQuaker in 58%11% of all Geo games by then

Started with Tzar (61%), Tiger (39%).

Where those units first fight, in 32 games with kill data: in the middle 88%, on their own side 13%.

Those units destroy a typical 4,603 metal of enemy units by 15:00.

Then transitions into tiger (34% of army).

HOW TO PLAY IT

Key timing: Advanced Vehicle Plant by 4:59

  1. Open mex and wind, skip the usual Bot Lab focus.
  2. Drop Vehicle Plant, then push straight into Advanced Vehicle Plant.
  3. Send first Tzar (or Tiger) to middle well ahead of role norm.
  4. Bring jammer support and Fury anti-air alongside it.
  5. Reclaim Advanced Vehicle Plant and keep making T2 vehicles for front.

Phase by phase

TYPICAL OF ITS 33 GAMES · AGAINST STANDARD GEO
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
PLAY THE OPENING

Follow the example game's first 7:41 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
    Order
    1. Bot LabBot Lab after 3 mex, 3 winddone ~1:10, middle half 1:05–1:22

    By 0:54 in all: 3 mex · 3 wind

    The example game in this phase · 3 steps
    1. Mex ×3
    2. Wind ×2
    3. Bot LabBot Labdone 1:07 · typical 1:10
  2. 2

    Bot Lab to Vehicle Plant

    Economy
    • Metal Extractor1Mex
    • Wind Turbine2Wind−2 vs standard
    • Energy Converter3Converter−3 vs standard
    • Energy Storage1Energy storage
    Order
    1. Geothermal PowerplantGeo after 4 mex, 5 wind, 1 con turret
    2. Bot LabEat Bot Lab
    3. Vehicle PlantVehicle Plant after 4 mex, 6 wind, 3 converterdone ~4:41, middle half 4:09–6:43
    Builders
    • Construction Turret2 Con turret −2 vs standard
    • Graverobber4 Graverobber
    • Construction Bot2 Con bot
    • Construction Bot1 Con bot for allies
    • Graverobber1 Graverobber for allies

    By 4:29 in all: 4 mex · 6 wind · 1 geo · 3 converter (standard 6) · 1 energy storage · 2 con turret (standard 4)

    The example game in this phase · 30 steps
    1. GraverobberGraverobber ×2
    2. GruntGruntfor Beach sea
    3. GraverobberGraverobber
    4. GraverobberGraverobberfor Beach sea
    5. GraverobberGraverobber
    6. Construction BotCon botfor Beach sea
    7. GraverobberGraverobber
    8. Construction BotCon bot
    9. Construction BotCon botfor Pond
    10. Energy storage
    11. Mex
    12. Con turret
    13. Geothermal PowerplantGeodone 3:40 · typical 3:43
    14. Con turret
    15. Converter ×2
    16. Con turret
    17. Converter
    18. Bot LabEat Bot Labreclaimed for its metal
    19. Con turret
    20. Converter ×5
    21. Energy storage
    22. Con turret ×2
    23. Metal storage
    24. Advanced Metal ExtractorT2 mex ×2done 5:28 · typical 5:47
    25. Advanced Geothermal PowerplantAdvanced Geothermal Powerplantdone 6:26
    26. Advanced Metal ExtractorT2 mex ×2
    27. Con turret
    28. Advanced Metal ExtractorT2 mex
    29. Con turret
    30. Vehicle PlantVehicle Plantdone 6:58 · typical 4:41
  3. 3

    Vehicle Plant to Advanced Vehicle Plant

    Economy
    • Energy Converter1Converter−3 vs standard
    Order
    1. Vehicle PlantEat Vehicle Plant
    2. Advanced Vehicle PlantAdvanced Vehicle Plant after 4 mex, 7 wind, 6 converterdone ~6:39, middle half 5:26–7:53
    Builders
    • Construction Vehicle1 Con vehicle

    The standard build makes here, this one skips: 2 wind

    By 5:47 in all: 4 mex · 7 wind (standard 10) · 1 geo · 6 converter (standard 10) · 1 energy storage · 3 con turret (standard 6)

    The example game in this phase · 2 steps
    1. Construction VehicleCon vehicle
    2. Advanced Vehicle PlantAdvanced Vehicle Plantdone 7:52 · typical 6:39
  4. 4

    Advanced Vehicle Plant to T2 vehicle assault

    Economy
    • Energy Converter1Converter
    Order
    1. TzarT2 vehicle assault after 4 mex, 7 wind, 8 converterdone ~6:39, middle half 6:03–7:25

    By 6:41 in all: 4 mex · 7 wind (standard 11) · 1 geo · 8 converter (standard 11) · 1 energy storage · 3 con turret (standard 6)

    The example game in this phase · 28 steps
    1. IncisorIncisor ×9
    2. Converter
    3. Vehicle PlantEat Vehicle Plantreclaimed for its metal
    4. QuakerQuakerdone 7:58 · typical 8:13
    5. Converter
    6. QuakerQuaker
    7. Converter
    8. QuakerQuaker
    9. Converter
    10. Advanced Construction VehicleT2 con vehiclefor Suicide front
    11. Converter ×2
    12. Radar TowerRadar Tower
    13. OmenRadar vehicle
    14. Converter
    15. ObscurerJammer
    16. Converter ×5
    17. SalamanderSalamander
    18. Twin GuardTwin Guard
    19. SalamanderSalamander ×2
    20. Con turret
    21. GuardGuard
    22. SalamanderSalamander
    23. Con turret
    24. GuardGuard
    25. Con turret
    26. SalamanderSalamander
    27. FuryFury ×2done 10:02
    28. TigerTigerdone 10:18 · typical 9:58
  5. 5

    T2 vehicle assault to 10:00

    Army
    • Omen1 Radar vehicle

    Some games also: jammer (48%) · con turret (39%) · wind (33%) · T2 con vehicle for allies (33%) · tiger (30%) · eat Advanced Vehicle Plant (39%)

    The standard build makes here, this one skips: 3 converter · 2 Sheldon

    By 10:00 in all: 4 mex · 8 wind (standard 17) · 1 geo · 8 converter (standard 16) · 1 energy storage · 5 con turret (standard 7)

    The example game in this phase · 27 steps
    1. TigerTiger ×3
    2. NegotiatorNegotiator ×2done 10:54
    3. TigerTiger
    4. Dragon's TeethDragon's Teeth ×3
    5. TigerTiger
    6. Dragon's TeethDragon's Teeth ×4
    7. TigerTiger
    8. Dragon's TeethDragon's Teeth ×4
    9. TigerTiger
    10. Dragon's TeethDragon's Teeth ×4
    11. NegotiatorNegotiator
    12. Dragon's TeethDragon's Teeth ×5
    13. FuryFury
    14. Dragon's TeethDragon's Teeth
    15. TigerTiger
    16. Dragon's TeethDragon's Teeth
    17. TigerTiger
    18. Dragon's TeethDragon's Teeth ×3
    19. TigerTiger
    20. Dragon's TeethDragon's Teeth ×2
    21. TigerTiger ×2
    22. Twin GuardTwin Guard
    23. TigerTiger ×4
    24. Twin GuardTwin Guard ×2
    25. SalamanderSalamander
    26. Twin GuardTwin Guard
    27. SalamanderSalamander

Counts are medians over the build's games: half of them build more, half fewer. The example game is Amrissa's (37 OS, 21/08/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Graverobber1 Graverobber to Beach sea or Pondfirst at 2:13 · in 55% of games
  • Construction Bot1 Con bot to Beach sea or Pondfirst at 2:40 · in 79% of games
  • Advanced Construction Vehicle1 T2 con vehicle to Front or Suicide front or Pondfirst at 9:27 · in 67% of games

You get

  • Advanced Construction Bot1 T2 con bot from Techfirst at 4:51 · in 64% of games

How it plays out

Typical game of this build against the role’s standard build, running totals by minute

  • This build
  • Standard geo

Metal produced

020k40k
0:005:0010:0015:00

metal

Enemy metal destroyed

05k10k
0:005:0010:0015:00

metal

Own metal lost

02k4k6k
0:005:0010:0015:00

metal

33 games.

Show as table
ByMetal produced: This buildMetal produced: Standard geoEnemy metal destroyed: This buildEnemy metal destroyed: Standard geoOwn metal lost: This buildOwn metal lost: Standard geo
1:003823420000
2:008918720000
3:00148215000000
4:00247826640000
5:00378736940000
6:00596455860000
7:00752878930000
8:00102461096494000
9:0012733138807832112950
10:0015347167892376296197190
11:001722319614416911041051750
12:0020227226865284223623171485
13:0020525255895859404424802397
14:0020986284236933581529424283
15:0022778313958225788140195630
WHAT THE NUMBERS SAY

Won more often than the standard build, destroying far more enemy metal by 10:00 while losing much less of its own by 15:00.

  • + Own metal lost by 15:00 (3875) nearly half the standard's 6575.
  • + Destroyed 2506 enemy metal by 10:00 vs 421 for standard.
  • − Metal produced by 15:00 (26088) trails standard (31519).
THE EXAMPLE YOU ARE READING

Amrissa

37.1 OS · 21/08/2026

Open source match ↗

2 received units · includes a constructor
3179 metal received · 91304 energy received

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

Typical milestones

Bot Lab1:10Middle 50%: 1:05–1:22 · n=32
Geothermal Powerplant3:43Middle 50%: 3:17–4:00 · n=33
Vehicle Plant4:41Middle 50%: 4:09–6:43 · n=33
Advanced Metal Extractor5:47Middle 50%: 5:28–6:57 · n=21
Tzar6:39Middle 50%: 6:03–7:25 · n=20
Advanced Vehicle Plant6:39Middle 50%: 5:26–7:53 · n=33
Quaker8:13Middle 50%: 7:43–8:52 · n=18
Tiger9:58Middle 50%: 9:04–10:35 · n=20

Played most by

Amrissa4games of this buildRefuseToLearn4games of this buildPRO_HYDRA3games of this buildGeeGee2games of this buildGraceful2games of this build