In a large food processor, add the Oreos and pulse until they resemble coarse crumbs.
Add the melted butter and pulse until well combined.
Press into a greased 9" springform pan and set aside.
In a large bowl, beat the softened cream cheese, powdered sugar, and cocoa powder until well combined, about 1-2 minutes.
Add the melted chocolate and beat until combined.
In a separate medium to large bowl, add the heavy whipping cream.
With an electric mixer, beat until stiff peaks form.
Add the whipped cream to the chocolate cream cheese mixture and beat until combined.
Fold in the chopped Oreos.
Add the cheesecake filling to the Oreo crust and spread out.
Top with chopped Oreos.
Cover and refrigerate for at least 4 hours, ideally overnight to chill.
Cut into slices and enjoy!