The line the game draws
The Riftbreaker supports mods as plain folder overrides — drop a folder of edited .ent / .rt data files into the game's mods\ directory, enable it in the menu, and you're modded. Playing this way, achievements keep unlocking. Using the developer console, on the other hand, flags your session — so during an achievement run, mod the data and leave the console alone.
Why RiftbreakerTweaks is four mods, not one
Folder-override mods conflict when two of them touch the same file. The RiftbreakerTweaks set is deliberately partitioned by file — ResourceTweaks, PowerTweaks, ResearchTweaks and MechTweaks never overlap, so any combination can be enabled together.
Nothing is permanent
Folder overrides don't modify the base game or your saves. To remove a mod, delete its folder from mods\ — the game reverts to vanilla values on next launch. A couple of caveats worth knowing: the ×10 deposit size in ResourceTweaks applies at world generation, so it only affects newly-generated campaign maps, and Survival mode's deposits are baked into the map (there the mod scales the built-in carbon/iron auto-replenish instead). Everything else works on existing saves.