
City Defense Z combines base-building and base defense in a roguelite progression loop. Build by day, defend by night, and face a growing zombie threat. Every defeat unlocks permanent upgrades, helping you rebuild smarter and push further each time. See how many days you can last.
Modeled estimate, not a reported figure. How we estimate →
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What you do during the day pays off at night: gather resources, place buildings, merge structures, trade resources, choose your NPCs wisely, send them on expeditions, deploy soldiers, merge units, and position your troops strategically.
Factory Buildings: Produce the main resource you need to build and upgrade your base.
Ammunition Buildings: Create ammo for soldiers, defenses, and special attacks.
Barracks Buildings: Train new soldiers every cycle.
Laboratory Buildings: Generate research points for permanent upgrades that carry over between runs.
House Buildings: Increase population limit, allowing you to grow your army.
Merge-Based Building System: Soldiers and buildings automatically merge when placed smartly on the grid.
When night falls, don’t give up if your strategy isn’t working. You still have tricks: call in airstrikes and collect boosters to power up the defense units you placed during the day.
Lost a run? It’s time to come back stronger. Spend the research points you’ve earned, pick the permanent upgrades that match your strategy, and try again. Each run, you’ll get better than the last.
Permanent Meta Progression: 13 research trees providing persistent upgrades.
13 Research Trees: Choose upgrade paths trough 150+ meta upgrades that complement your playstyle.

Constant combat, constant adrenaline! As you defend your city, the action never slows down for a second. Build your strategy and stay in control in the heart of the battle.

Who’s on top? Check the leaderboard… our cat is already watching 👀🐱
Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English*, Turkish, French, Italian, German, Spanish - Spain, Simplified Chinese, Japanese, Russian, Portuguese - Brazil, Polish*languages with full audio support
Engagement
Hours played at review time, across 40 reviews with recorded playtime.
Reviews
Themes across 40 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
positive critical· bar length = how often the theme comes up
Reviews
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Only four maps? This game is boring enough but those few maps make it even more repetitive. I should have refunded before the 2 hours had passed. As a Tower Defense lover, I don't recommend this, at all.
Fun little horde TD game.
It's an alright game. Worth it on sale.
Each mission takes hours upon hours, with no way to save in the middle so you can actually go about life. On top of that, every mission is pretty much identical. Just wave after wave, all the same. Rebuild the fence, place the troops, merge the troops, drag and drop the troops... for 4+ hours straight. I'm on the 4th mission which I believe requires you to get to 100 days. I'm at day 30 and it's been about 2 hours, this is ridiculous.
Looks promising but tutorial is difficult to follow. I was hoping this would be much better!
a silly dumb stupid game that,s.....really really fun!
おもろかった ポイントを振り切ってからはすることはないが、そこに至るまでの試行錯誤にやりごたえを感じた
游戏时间太长的,一局时长1个小时起,而且基本没有放松时间,不停的要合成要点鼠标,每天都好紧张,还没有存档
这个题材我很喜欢,但是白天的合成以及晚上的战斗都很无聊。夜晚的防御时间可以拉长一些,士兵的合成感觉没啥意思,如果能换成放置固定的士兵和炮塔,可以有多种不同的升级分支会更好玩
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Trends
Modeled estimate over time, reconstructed from Steam's monthly review histogram.
Audience
Estimated from the language of this game's reviews — a proxy for where players are, not official Steam demographics.
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