SUPREME ISTHMUS / 8 VS 8

Know your ground.
Build your advantage.

Openings found in real games.
Follow the sequence. Understand the role.
Find your next first move.

THE OPENING BOOK

Builds from the battlefield03

MOST COMMON FIRST · WHAT SETS EACH BUILD APART · TYPICAL TIMINGSEVIDENCE
01
Geo seaEconomy first#naval#eco

Standard geo sea

The role's default economy-first play: bot lab then shipyard in the cove, quick frigate/submarine/destroyer navy to contest sea and hold the coast, transitioning into whatever the sea fight needs.

Bot Lab → Shipyard → Submarine → Frigate

OPENINGMetal Extractor ×3×3→Wind Turbine→Solar Collector ×2×2→Bot Lab→Wind Turbine ×2×2→Metal Extractor→Construction Turret→Metal Extractor

83% of Cortex Geo sea games · team won 52% of 1005 · Then: frigate, destroyer, submarine · Last seen 25 Sept

897MATCHES97 players
02
Beach seaEconomy first#naval#eco

Standard beach sea

The role's usual play: com goes to sea to build a shipyard around 2 minutes, pumping frigates and destroyers to contest enemy sea entry or hold vision, with an advanced metal extractor around 10 minutes as the transition into the team's…

Shipyard → Frigate → Destroyer → Advanced Metal Extractor

OPENINGMetal Extractor ×3×3→Solar Collector→Wind Turbine ×3×3→Energy Storage→Wind Turbine→Shipyard→Tidal Generator→Metal Extractor ×3×3

84% of Cortex Beach sea games · team won 55% of 789 · Then: frigate, destroyer · Last seen 25 Sept

729MATCHES102 players
03
PondEconomy first#naval#rush#push

Destroyer rush

Pond skips the usual eco-only start to build a shipyard by ~3:00 and push Riptides and Oppressors into the middle from under 4 minutes, pumping T1 naval assault far earlier than any normal Pond.

T1 naval assault from 3:57 · 6% of role by thenMissile corvette in 100%Shipyard in 93%Destroyer in 53%

Bot Lab → Shipyard → Frigate → Destroyer

OPENINGMetal Extractor ×3×3→Wind Turbine ×4×4→Bot Lab→Wind Turbine ×2×2→Construction Turret→Energy Storage→Wind Turbine→Metal Extractor

6% of Cortex Pond games · team won 40% of 15 · Then: frigate, missile corvette · Last seen 25 Sept

15MATCHES12 players
Initial collection in progressHow builds are found ↗
01 / OBSERVE

Real games. Real sequences.

02 / RECOGNISE

Repeated openings, made readable.

03 / ADAPT

A starting point for your own game.