We're very sorry for the inconvenience! There is currently a bug in the vox-l simulator that prevents you from seeing creatures in it. The bug is on our Development team's to-do list, but I'm not sure when they will have the time and resources to fix it completely. Would you like to be notified when it's fixed?
For now, try minecraft. You and your students will be able to test any mods in there, including mystery mods.
You can look up the correct answers to missing and scramble badges by going to mod.learntomod.com/programs and typing the badge id number into the search by keyword bar. The badge id number is the first set of numbers in the badge's url.