METRO DEFENSE
ROBOT PROTOCOL

Defend the Server Room from endless robot waves! Place tech units strategically, collect energy, and use powerful abilities to survive. Protect the core at all costs!

Training Modules

LIMITED BUILD MODE

Start with 3000 energy. Build your defenses in 30s. No more building once waves start!

ROBOT BLITZ

Robots attack from all sides! Tap them directly with infinite lightning. Survive 30s!

Tech Fusions, Charges & Events

Fusions

• Railgun+Railgun: Double Shot.

• Portal+EMP: Explodes on death.

• Railgun+EMP: Every 6th shot explodes.

• Solar+EMP: Trade energy for mini-bomb.

• Railgun+Flame: Shots apply Burn (1.5x dmg).

• Portal+Mushroom: Occasionally mind-controls passing robots.

Super Charges

• EMP: Spawns 2 diagonal bombs (all explode in 6s).

• Portal: Shifts all enemies up 1 row.

• Mushroom: Mind-controls 3 random robots (removed on tech removal).

• Railgun/Flame: Speed Boost / Burn intensity.

Events

• Rain (Wave 4+): 50% chance speed boost or systems slow.

• Glitch (Wave 4+): Lane effects (Surge, Malfunction, etc).

• R2-D2 (Wave 11+): Unkillable unit slowly heals enemies.

• Anomaly: Glitch Bot spawns! Tap 10x in 15s or lose a tech. One tech transforms during event.

Mini-Games

• Limited Build Mode: 3000 Energy, 30s build phase, survive for time.

• Robot Blitz: 30s, robots from all sides, tap-to-kill only!

SYSTEM BREACHED