🎮 Controls
🔬 Click grid to place instruments
📍 Click placed unit to upgrade/sell
▶ Release pathogen waves when ready
⌨️ Hotkeys
1-4 Switch category tabs
Q W E R Select tower in category
ESC Deselect tower
F Toggle 2× fast-forward
📂 Categories
⚔️ Fighter — Close range, fast attack
🏹 Archer — Balanced range & stats
🎯 Sniper — Long range, high damage
🧬 Support — Buffs, gold gen, debuffs