1.16-1.3 is a beta file of the Minecraft mod Phi (Psi addon) for Forge, made for Minecraft 1.16.3, 1.16.5, 1.16.4. It was published on May 10, 2021 and is 0.1 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 Phi (Psi addon) mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
