Quick Battle · Full rules · about 3–4 min

• Buy units. Each one sends a copy to your bay every wave.
• Hold = stronger. Open = more. Each round held: −25% units, +15% Surge (max +60%).
• Counter the red bay:

• Upgrades: Weapons pays off early, Armor late. Reactor: +15% income (pauses income 10 s).
• Turrets guard each door. 2:00 Overdrive · 3:00 Meltdown (turrets off) · 5:00 front line wins.