01
Navigate
WASD or arrow keys pan. Drag empty terrain with the left, middle, or right mouse button. Use the wheel to zoom toward the cursor. Press F to find the core.
02
Build
Choose a blueprint in the lower fabricator or press 1–6. Green terrain is valid; a red reticle marks routes, ruins, crowding, or insufficient material. Right-click or Esc cancels.
03
Refit
Select a placed tower to reveal its range and telemetry. Review the exact next-level changes before choosing Upgrade. Salvage returns 70% of all material invested.
04
Control time
Press P to pause and use [ / ] to change speed. Launch a prepared wave with N. Camera controls stay active while the simulation is held.
Hostile intelligence
Armor reduces every hit. Shields absorb damage first. Phantoms resist slowing. Carriers split when destroyed. Match specialized towers to each signature.
Raider
Skitter
Bulwark
Warden
Phantom
Carrier
Titan