NZ_Space 1.21.8 [Optifine].zip is a release file of the Minecraft resource pack FutureSpace (CTM), made for Minecraft 1.21.8. It was published on August 15, 2025 and is 194.2 MB in size. For the full description, screenshots and every other version, visit the FutureSpace (CTM) resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.