Zombie Horde Invasion

Zombie Horde Invasion is a 5-day tower defense-style event where players must defend their shelter against 50 waves of increasingly powerful zombies. Strategic placement of defenses and hero management are key to survival.

Event Mechanics

Wave Structure

• Waves 1-10 - Standard zombies, tutorial difficulty
• Waves 11-20 - Fast zombies and tanks appear
• Waves 21-30 - Special zombies with abilities (explosive, poison)
• Waves 31-40 - Elite mini-bosses every 5 waves
• Waves 41-49 - Mixed hordes with all zombie types
• Wave 50 - Final Boss: Mega Zombie King

Defense Systems

Defense Type	Cost	Effect	Upgrade Levels
Machine Gun Turret	5,000 Resources	Rapid fire, low damage	1-5
Sniper Tower	8,000 Resources	Slow fire, high damage	1-5
Flame Thrower	10,000 Resources	AOE damage, DoT	1-5
Electric Fence	6,000 Resources	Stuns zombies, chain damage	1-5
Explosive Mine Field	12,000 Resources	One-time massive AOE	1-3
Slow Trap	4,000 Resources	Reduces zombie speed 50%	1-3
Repair Station	15,000 Resources	Auto-repairs nearby defenses	1-3

Zombie Types

Zombie Type	HP	Speed	Special Ability
Walker	1,000	Slow	None (basic)
Runner	500	Very Fast	Bypasses first defense line
Tank	10,000	Very Slow	High armor, immune to stun
Explosive	2,000	Medium	Explodes on death (AOE damage)
Poison Spitter	1,500	Medium	Ranged poison attacks
Regenerator	5,000	Slow	Heals 10% HP per second
Elite Boss	50,000	Slow	Multiple abilities, summons adds
Mega Zombie King	500,000	Medium	All abilities, massive damage

Hero Deployment

Players can deploy up to 5 heroes on the battlefield to support defenses:

Hero Role	Recommended Heroes	Effect
DPS	Queenie, Yu Chan, Amber	High damage to priority targets
Tank	Elizabeth, Dodomeki	Block zombie paths, protect turrets
Support	Sophia, Licia	Heal defenses, buff turret damage
AOE	Katrina, Liliana	Clear large groups
Utility	Laura, Chinatsu	Slow enemies, increase resource gain

Wave Rewards

Wave Milestone	Rewards
Wave 10 Complete	Universal Orange Hero Fragments x10 Defense Blueprint x1 Diamonds x500
Wave 20 Complete	Universal Orange Hero Fragments x20 Legendary Trap Blueprint x1 Diamonds x1,000 Resource Pack x5
Wave 30 Complete	Universal Orange Hero Fragments x30 Advanced Defense System x1 Diamonds x2,500 Golden Wrench x5
Wave 40 Complete	Universal Orange Hero Fragments x50 Elite Defense Package Diamonds x5,000 Legendary Equipment Chest x1
Wave 50 Complete	Defender's Legendary Chest x3 Universal Orange Hero Fragments x100 Diamonds x15,000 Exclusive Title: "Horde Survivor" Permanent Shelter Defense +10%

Perfect Defense Bonuses

Complete waves without losing any walls or defenses for bonus rewards:

Perfect Clears	Bonus Rewards
10 Perfect Waves	Perfect Defense Badge x1 Diamonds x1,000
25 Perfect Waves	Perfect Defense Badge x3 Diamonds x3,000 Exclusive Border
50 Perfect Waves (All)	Perfect Defense Badge x10 Diamonds x10,000 Animated Title: "Flawless Defender" Mythic Defense Chest x1

Alliance Cooperation Mode

Team up with alliance members for cooperative defense:

• Shared resource pool - All members contribute to defense budget
• Combined hero deployment - Each member deploys 2 heroes (10 total)
• Difficulty scaling - Waves adjusted for group size
• Enhanced rewards - 50% bonus for cooperative completion

Leaderboard Rankings

Rank	Criteria	Rewards
Top 1	Fastest Wave 50 Clear	Mythic Defense Chest x5 Diamonds x50,000 All Defense Blueprints Exclusive Mount: Iron Fortress
Top 2-10	Speed Clear Rankings	Mythic Defense Chest x3 Diamonds x30,000 Legendary Defense Set
Top 11-50	Perfect Clear Count	Legendary Defense Chest x5 Diamonds x15,000
Top 51-100	Total Zombie Kills	Epic Defense Chest x10 Diamonds x7,500

Defense Strategy Guide

Early Waves (1-20)

• Focus on Machine Gun Turrets - Cost-effective, reliable
• Create kill zones - Funnel zombies into overlapping fire
• Save resources - Don't over-invest early
• Scout zombie paths - Identify weak points in defense

Mid Waves (21-40)

• Diversify defenses - Mix turret types for synergy
• Deploy crowd control - Slow traps and electric fences crucial
• Hero micromanagement - Manually control heroes for efficiency
• Upgrade key defenses - Focus on highest-performing turrets

Late Waves (41-50)

• Max defense levels - Upgrade everything possible
• Use consumables - Deploy all stored power-ups
• Focus fire boss - Prioritize Mega Zombie King
• Emergency repairs - Keep repair stations active
• Hero ultimates - Save for Wave 50 boss

Resource Management Tips

• Gather between waves - Use downtime for resource collection
• Salvage destroyed defenses - Recover 50% of cost
• Alliance donations - Request resources from alliance
• Event shop - Exchange zombie kills for resources
• VIP benefits - VIP 10+ get 20% resource discount

Event Schedule

• Day 1 - Event starts, Waves 1-15 available
• Day 2 - Waves 16-30 unlocked
• Day 3 - Waves 31-40 unlocked, Alliance Co-op mode enabled
• Day 4 - Waves 41-49 unlocked
• Day 5 - Wave 50 (Final Boss) unlocked, rankings finalized at 23:59

Pro Tips

• Watch replay guides - Top players share successful layouts
• Test defenses - Experiment with formations on lower waves
• Coordinate with alliance - Share strategies and tips
• Upgrade heroes beforehand - Stronger heroes = easier defense
• Stockpile resources - Enter event with full inventory

Prepare your defenses. The horde is coming!