Winter has arrived. City Defense Z is now 30 percent off during the Steam Winter Sale, and Major Update 3 is live with new content, balance changes, and large polish improvements.
Major Update 3 Summary
Major Update 3 focuses on deeper combat, better clarity, improved onboarding, audio visual polish, expedition balance, and quality of life fixes.
• New defense unit Tesla Coil
• New default cards and a new Night card
• Improved tutorials with clearer visuals
• Audio, VFX, and cinematic upgrades
• Expedition balance improvements
• UX improvements and bug fixes
• Major Performance Optimizations
New Defense Unit and Cards
• Tesla Coil added with multi target attacks and permanent upgrades
• Destroy Building card added
• Resource Boost card added
• Helicopter Night Card added
Onboarding Improvements
Early game clarity is improved without forcing actions on the player.
• Camera lock removed from multiple tutorial steps
• Multiple gifs added for merge patterns
• Clear hints for soldier placement and merging
• Card locking explained with a new tutorial step
• End Day step improved with better focus
• Expedition tutorial added on NPC arrival
• All onboarding steps are skippable
Audio and Visual Polish
Overall game feel has been improved.
• Annoying background music removed
• Weapon and zombie sounds rebalanced
• New sounds for card locking and boosters
• Improved cinematic video quality
Expedition and Balance Changes
Expeditions are now more rewarding and consistent.
• Basic soldier reward removed
• Drop chances for other units increased
• Expedition success chance increased
UX and Quality of Life
Many small but impactful improvements were made across the game.
• Locked defense units shown clearly in the left panel
• Speed setting preserved during day night transitions
• Clearer card texts and indicators
• Tooltips added to utility cards
• Population warning added for soldier placement
• Food hunger debuff now updates correctly
• Booster visibility time and size increased
• Wall damage screen effect toggle added
• Combat and animation bugs fixed
• End game summary shows research points collected
Update Now
Major Update 3 is live and free for all players. Combined with the 30 percent Winter Sale discount, this is the best time to defend the city.