Changed: Survive Protocol

Coverage builds first, and infection starts only once coverage becomes severe enough. Transformation into a latex form happens only after the infection reaches its limit, so players have a window to respond. Cure doses lower an active infection, but once a player has transformed, no cure restores them. Cleaning coverage early keeps it from becoming a bigger problem later, and latex attacks move through several stages instead of acting as a single instant failure.

The addon adds lab machines for strain identification, treatment and crafting. Players collect latex samples with a Sampling Scalpel and analyze them in a Microscope. Latex forms must keep lucidity, and when lucidity collapses the consequences follow. Food, sleep location and other behavior all affect how stable a form is, and stabilization items can settle a matching form into a permanent one. The addon requires Changed, and it runs on Minecraft 1.20.1 with Forge 47.4.0 or newer.

Survive Protocol is published for Forge only, for 1.20.1, with the 1.2.0 file as the latest build from 2026-07-13. Installation covers the server and each player's game. The mod is All rights reserved and not open source, though its source code is publicly available.