Ok So, recently a new update appeared (1.40.0f2289) for Critical Ops. Game Guardian has been broken and now it can't get base address.
I'm using GGIl2cpp to get method infos and such. On 1.40.0f2289 it worked as expected, unlike f2291.
1.40.0f2291: GameplayModule | get_Instance: 0x9D1A494C
1.40.0f2289: GameplayModule | get_Instance: 0x1B75908
Also, since 1.39, they modified their il2cpp for android, but on ios you can still dump, on android, it shows version -30 in metadata, unlike ios, it says 29.
I've been using this script to get new offsets: https://raw.githubusercontent.com/kruvcraft21/GGIl2cpp/master/build/Il2cppApi.lua