<p>Starting today, the characters of Black Jack, the popular <a href="https://en.wikipedia.org/wiki/Black_Jack_(manga)">manga by Osama Tezuka</a>, joins <a href="https://whatoplay.com/ios/crazy-defense-heroes/">Crazy Defense Heroes</a> in a limited crossover that will run from March 23rd to April 12th, 2020.</p>

<img src="https://cdn2.whatoplay.com/news/content/Crazy-Defense-Heroes.jpg" alt="Black Jack manga characters join Crazy Defense Heroes game in limited time crossover">

<p>The event, called the Black Jack Invasion, celebrates the game's two-year anniversary and will feature 16 new levels of varying difficulties, all of which are inspired by the original Black Jack manga.</p>

<p>Here's the summary:</p>

<div class="direct-quote">Black Jack’s rival Doctor Kiriko has turned residents into undead zombies using an unknown poison, and players must help Black Jack and Pinoko to defeat Kiriko and save precious lives. A player avatar of level 6 or higher is required to participate in the special event.</div>

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	<iframe width="560" height="315" src="https://www.youtube.com/embed/_ku2tue9-Ys" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
</div>

<p>During the event, there will be special Black Jack chests you can purchase that will give you a chance to win the themed cards. These are the Black Jack hero card, and the Pinoko and the Kiriko tower cards, all of which you can keep after the event.</p> 
 
<p><strong>Crazy Defense Heroes</strong> is a <a href="https://whatoplay.com/android/tower-defense/" title="Tower Defense Games on Android">tower defense</a> and collectible card game currently available on <a href="https://whatoplay.com/ios/crazy-defense-heroes/" title="Crazy Defense Heroes for iPhone and iPad">iOS</a> and <a href="https://whatoplay.com/android/crazy-defense-heroes/" title="Crazy Defense Heroes for Android">Android</a> platforms.</p>

Manga meets tower defense for a limited time only

Fans of Osamu Tezuka's popular manga will be delighted to see their favorites partaking in Crazy Defense Heroes' tower defense action

Black Jack joins Crazy Defense Heroes in a limited-time crossover event

Fans of Osamu Tezuka's popular manga will be delighted to see their favorites partaking in Crazy Defense Heroes' tower defense action