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Chapters & Story Mode

Complete guide to all 6 story mode chapters in Skibi Defense. Learn boss strategies, wave patterns, and earn rewards.

Chapter 1: Outpost Invasion
20 Waves • Boss: Devil Toilet
Beginner
Starting Cash:$500
Max Towers:50
Rewards:500 Credits
Unlocks:Chapter 1.5

Strategy:

Focus on Camera Fighters and Large Cameras for cost-effective defense. Save money for wave 20 Devil Toilet boss. Position towers to cover all paths.

Chapter 2: City Ruins
25 Waves • Boss: Large Devil Toilet
Easy
Starting Cash:$650
Max Towers:55
Rewards:800 Credits
Unlocks:Chapter 2.5

Strategy:

Introduce Speaker units for knockback. Upgrade key towers before boss wave. Multiple paths require strategic placement.

Chapter 3: Highway Battle
30 Waves • Boss: Scientist Toilet
Medium
Starting Cash:$800
Max Towers:60
Rewards:1,200 Credits
Unlocks:Chapter 3.5

Strategy:

Start incorporating TV units for crowd control. Boss has high HP - focus DPS towers. Use slow abilities effectively.

Chapter 4: Desert Airport
35 Waves • Boss: G-Man Toilet 3.0 & Infected Titan Speakerman
Hard
Starting Cash:$1,000
Max Towers:65
Rewards:2,000 Credits
Unlocks:Chapter 4.5

Strategy:

Two bosses! Balance DPS and support units. Clockmen help slow down enemies. Requires strong tower upgrades to succeed.

Chapter 5: Toilet Bunker (Outside)
40 Waves • Boss: Scientist Boss Toilet (650M HP)
Very Hard
Starting Cash:$1,200
Max Towers:70
Rewards:3,500 Credits
Unlocks:Chapter 5.5

Strategy:

Boss spawns at start and flies around the map! Need high DPS units immediately. Use anti-air towers. Very challenging.

Chapter 6: Final Defense
50 Waves • Boss: Multiple Boss Waves
Expert
Starting Cash:$1,500
Max Towers:80
Rewards:5,000 Credits
Unlocks:Nightmare Mode

Strategy:

Ultimate challenge with multiple boss encounters. Requires S-tier towers and perfect strategy. Team play highly recommended.

Story Mode Tips

• Start with Chapter 1: Designed as a tutorial for beginners to learn mechanics

• Earn Credits: Each chapter completion awards Credits to unlock better towers

• Use Codes: Redeem boost codes before starting for 2x or 3x Credit multipliers

• Half-Chapters: Unlock .5 chapters between main chapters for extra Credits

• Team Up: Play with friends in co-op for easier progression on harder chapters