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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 · 6 steps
    1. Mex ×2
    2. Wind
    3. GuardGuard
    4. Mex
    5. Wind ×4
    6. Bot LabBot Labdone 1:37 · 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 · 43 steps
    1. Construction BotCon bot ×2for Pond
    2. GraverobberGraverobberfor Pond
    3. GraverobberGraverobber ×2
    4. Energy storage
    5. GraverobberGraverobberfor Pond
    6. Mex
    7. GraverobberGraverobberfor Pond
    8. GraverobberGraverobber
    9. GraverobberGraverobberfor Pond
    10. Construction BotCon bot ×2
    11. Con turret
    12. Geothermal PowerplantGeodone 3:59 · typical 3:43
    13. GruntGrunt
    14. Con turret
    15. Converter
    16. Bot LabEat Bot Labreclaimed for its metal
    17. Con turret ×2
    18. Converter
    19. Con turret ×2
    20. Converter
    21. Wind
    22. Converter ×2
    23. Con turret
    24. Converter ×3
    25. Con turret
    26. Converter
    27. Advanced Metal ExtractorT2 mex ×2done 5:40 · typical 5:47
    28. Converter
    29. Radar TowerRadar Tower
    30. Converter ×2
    31. Advanced Metal ExtractorT2 mex
    32. GuardGuard
    33. Converter ×6
    34. Advanced Metal ExtractorT2 mex
    35. GuardGuard ×3
    36. Advanced Geothermal PowerplantAdvanced Geothermal Powerplantdone 7:45
    37. GuardGuard
    38. Wind ×2
    39. Con turret
    40. Wind
    41. GuardGuard
    42. Wind
    43. Vehicle PlantVehicle Plantdone 7:58 · 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 · 4 steps
    1. Windfor Pond
    2. Construction VehicleCon vehiclefor Pond
    3. Wind ×2for Pond
    4. Advanced Vehicle PlantAdvanced Vehicle Plantdone 8:32 · 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 · 10 steps
    1. Vehicle PlantEat Vehicle Plantreclaimed for its metal
    2. Con turret
    3. Wind ×2for Pond
    4. TremorTremordone 9:14
    5. Wind ×9for Pond
    6. Con turret
    7. Windfor Pond
    8. Advanced Construction VehicleT2 con vehiclefor Front
    9. Wind ×4for Pond
    10. TigerTigerdone 9:48 · 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 · 44 steps
    1. Wind ×4for Pond
    2. TigerTiger
    3. Wind ×3for Pond
    4. TigerTiger
    5. Windfor Pond
    6. Con turret
    7. Wind ×3for Pond
    8. Wind
    9. TigerTiger
    10. Windfor Pond
    11. Wind
    12. Windfor Pond
    13. Wind ×2
    14. TigerTiger
    15. Converter
    16. Wind ×4
    17. Advanced Construction VehicleT2 con vehiclefor Pond
    18. Wind ×5
    19. TigerTiger
    20. Wind ×5
    21. TigerTiger
    22. Wind ×5
    23. TigerTiger
    24. Wind ×5
    25. Converter
    26. TigerTiger
    27. Wind ×3
    28. Converter
    29. TigerTiger
    30. Wind ×3
    31. TigerTiger
    32. Wind ×12
    33. TigerTiger
    34. Wind ×7
    35. Con turret
    36. Wind
    37. Converter
    38. Wind
    39. TigerTiger
    40. Wind ×2
    41. Converter
    42. Wind
    43. Con turret
    44. Advanced Vehicle PlantEat Advanced Vehicle Plantreclaimed for its metal

Counts are medians over the build's games: half of them build more, half fewer. The example game is Viltrum's (40 OS, 07/10/2026); 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

Viltrum

40.1 OS · 07/10/2026

Open source match ↗

5 received units · includes a constructor
1063 metal received · 14835 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

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