How to play
1. Protect the CORE (cyan, center)
2. Select units, then click or right-click a node to move along links
3. Capture purple RELAY nodes for cycle income
4. Press 1 / 2 / 3 to build units · shop opens between waves
Wave cleared
Relay shop
Upgrades apply immediately. Build units during waves with 1 / 2 / 3.