SUPREME ISTHMUS / 8 VS 8 / GEO

Geo
build orders.

Has the geothermal vent, and brings the team's first T2 units to the front.
What does Geo do? →

THE OPENING BOOK

Geo02

Clear role ×

Geo · Armada 1,445 games · 8 builds · standard play in 59% · T2 factory typically 8:07

Geo · Cortex 433 games · 7 builds · standard play in 36% · T2 factory typically 7:51

Geo · Legion 50 games · 2 builds · standard play in 32%

Geo establishes geothermal powerplant fastest among all roles

Geo builds a Geothermal vent at 3:25, significantly ahead of the typical 7:45.

By 15:00
Geothermal97%
T2 constructor98%
First unit lost97%
First kill96%
Advanced geothermal67%
T2 factory84%
First Starlight45%
0:003:006:009:0012:0015:00

Dot: typical time. Bar: middle half of the games that get there. Right: share of games that get there.

Show as table
MilestoneTypicalMiddle halfShare of games
Geothermal3:253:09–3:4297%
T2 constructor4:564:35–5:2698%
First unit lost6:434:35–9:1497%
First kill7:054:22–9:1596%
Advanced geothermal7:176:53–7:5267%
T2 factory8:087:33–9:0484%
First Starlight9:168:38–10:2445%
MOST COMMON FIRST · WHAT SETS EACH BUILD APART · TYPICAL TIMINGSEVIDENCE
01
GeoLegionEconomy first#t2#air#drop

Drone plant T2

Com-blow economy that adds a Legion Drone Plant before Advanced Geothermal, using the drones and T2 vehicles (anti-air, support) to send an Aeolus drop into the enemy base by mid-game instead of just funneling T2 units to front.

Legion Drone in 67%Flak in 67%Radar jammer in 67%Transport in 50%

Legion Bot Lab → Geothermal Powerplant → Advanced Metal Extractor → Legion Drone Plant

OPENINGMetal Extractor ×2×2→Wind Turbine ×2×2→Pharos→Metal Extractor→Wind Turbine ×2×2→Legion Bot Lab→Wind Turbine ×2×2→Metal Extractor

12% of Legion Geo games · team won 2 of 6 · Then: Gladiator, transport, Boreas · Last seen 27 Sept

6MATCHES4 players
02
GeoCortexEconomy first#air#drop#rush

Valiant push

Geo builds an Aircraft Plant right after its Bot Lab to get Valiant fighters and Whirlwinds very early, using a light transport to land units behind enemy lines and fight in the enemy base from the start.

T1 air fighters from 3:53 · 2% of role by thenAircraft Plant in 100%Whirlwind in 77%Grunt in 77%

Bot Lab → Geothermal Powerplant → Aircraft Plant → Advanced Metal Extractor

OPENINGMetal Extractor ×3×3→Wind Turbine ×4×4→Energy Storage→Metal Extractor→Wind Turbine ×2×2→Bot Lab→Wind Turbine ×2×2→Geothermal Powerplant

3% of Cortex Geo games · team won 77% of 13 · Then: Sumo, Arbiter, Mammoth · Last seen 30 Sept

13MATCHES2 players
Updated 30/09/2026, 15:17:19 UTCHow builds are found ↗