Custom Blocks are all non-vanilla blocks which have unique purposes on Horizon's End.
Custom blocks include:
- Ore blocks, raw ore blocks, and crafted/smelted ore blocks of Aluminum, Titanium, Chetherite, and Uranium.
- Supercapital industry blocks, including Supercapital Reactor Core blocks, Enriched Uranium Block, Netherite Casing, Steel Block, and Superconductor Block.