Download Rain World | Build 12112017 Online

If you specifically need Build 12112017 for mod compatibility or speedrunning purposes, you can often "downpatch" the game if you own it on Steam:

It is highly recommended to download the game through official digital storefronts. These platforms ensure you receive the most stable, secure, and up-to-date version of the game, including support for the Downpour DLC and community mods. Download Rain World Build 12112017 ONLINE

: You can use the Steam console to download specific older "depots" of the game using SteamDB identifiers. If you specifically need Build 12112017 for mod