Start with three to five TNT blocks, trigger one end with Flint and Steel, record whether the four-second fuse carries, then repeat with the Detonator before scaling the chain.
Step checklist for placing, spacing, lighting, observing, and recording a chain attempt: keep the first setup small, test one detonation tool at a time, and write down the visible terrain result before scaling. These are qualitative chain experiment steps with timing and placement observation, not an unsupported radius output.
The official description confirms chain TNT, Flint and Steel, Detonator, named special TNT, private-server intensity, and terrain goals. It does not publish exact spacing, damage, cost, or blast-radius constants.
For TNT Voxel Playground chain TNT, use the quick answer first, then check whether the topic affects a code reward, event, item, unit, map, build, value, or upgrade path.