Two nice puzzle maps for your adventuring pleasure:
https://vrchat.com/home/world/wrld_0fb990d0-1e61-46cc-acc8-a0bb689e5b9c
https://vrchat.com/home/world/wrld_fda18709-0f92-4e6c-b995-11e22a159e5a
Roughly 1 hour each.