Was able to resolve the desync issues and finish the mod.

https://mods.factorio.com/mod/TeamMod

It should be noted here that I was attempting to do a random call during make_forces which was causing desync. I still however want to verify how I can prevent desync when saving and loading.

Ended up replacing the calls down to just one. The desync still happens when the on_tick event occurs.

require("constants")
require("utility.event")
require("utility.map_helpers")
require("utility.math")
require("utility.position")
require("utility.table")
require("utility.tick_helper")
require ...

Any new game causes the issue. There are two scenarios of desync:

1. When using the old mod and loading a save. At this point I don't care about this since I can't get other players not to desync on 2.
2. After building from the ground up, finishing the intial configuration, and "starting the ...

I have taken the few variables left outside event functions and defined them in functions. I also took the time reorganize the global variables. I was already aware of on_load and had removed it previously.

Having the recommended desync prevention has no effect on when other players are desync'd ...

I'm new to modding but familiar with coding practices. I have recently enjoyed a mod enough to give it an update. The problem my friends and I had when playing is the desync issues when trying to reload a save from the mod. The previous developer hasn't touched it in two years but left a note that ...