Start modding Cat Mail Co.
- Download Mortar for Linux or Windows and open it.
- Pick Cat Mail Co.. Mortar installs BepInEx 6 (IL2CPP) and makes your first profile.
- Open Browse, add the mods you want, and press Play. Each profile keeps its own mods and settings.
Share a profile
A shared Cat Mail Co. profile is a link to mortar.rethunk.tech/cat-mail-co/p. Whoever opens it sees the mod list and imports it in one click. The profile lives inside the link, so nothing is uploaded.