The best alternatives to Zones are Hopscotch, Cubetto, and Coding Planets. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Zones?
SeedLegals— Close your next round faster - All your legals in one place
Coding Planets is an android game that teaches you the logic behind programming! It's like [insert trendy android/ios game here] but actually useful :)