Board Thread:Plants vs. Zombies 2/@comment-4077536-20150529142401/@comment-5000564-20150530121202

Starfruity wrote:

AWikiBoy521 wrote: There's more!

(kinda old but still) Silly PopCap, they were called Challenge Zones previously, not Danger Rooms. The code name for Endless Zones is "Danger Room"
 * "Endless Zones (Formerly known as Danger Rooms...."