Quick answer
Choose a crater, line, or mountain goal, select a named TNT role, run a small controlled test, and record the terrain change without inventing a blast radius.
Start here when this is the exact player task you searched for. The sections below turn the question into steps, checks, and next pages.
Crater and mountain experiment checklists with role context and explicit unknown terrain dimensions. Crater goal checklist with observation notes. Mountain-flattening experiment checklist. Terrain-goal experiment checklist. Qualitative spectacle and observation tips with numeric-claim warning.
For TNT Voxel Playground crater, use the quick answer first, then check whether the topic affects a code reward, event, item, unit, map, build, value, or upgrade path.