At times you can build/destroy through other entities, including players.
Trivia[]
0.29_01 can be changed to Survival mode by editing the Minecraft.class file in minecraft.jar.
This version was originally rediscovered in a modified state in March 23, 2019.
An unmodified copy was later found by Twitter user lunasorcery on June 25, 2021.
In the blog post for this version, Notch states "You can now build through players". However, this feature does not work like intended.[more information needed]