Survive Islands (Hardcore) is an alpha file of the Minecraft map Survive Islands, made for Minecraft 1.12.1, 1.12, 1.13, 1.12.2, 1.13-Snapshot, 1.12-Snapshot. It was published on August 29, 2018 and is 6.6 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the Survive Islands map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.
