Press Space to Skip. WARNING: Epilepsy alert on 14 and maybe on 7.
Updated 8 and 23 on Jun 20, 2026. Updated 13, 14, and 18 on Jul 24, 2026. Final update is out!!! Credits to the creator of Numberblocks, MIBU, MIBUD, UBD, UBD1YR, UBD2YR, UBD3YR, Me, Other People who did UBD4YR, and All.
