Spidertron? Nah, they're mere Insectitrons. Early-Mid Tier Spidertrons for all your spider needs.
Mods introducing new content into the game.
Transportation of the player, be it vehicles or teleporters.
New ways to deal with enemies, be it attack or defense.
Playing with Krastorio 2 automatically makes Fusion-Trons use fusion fuels. You can't get fusion fuel until late after the vanilla Spidertron when playing with Space Exploration.
Doesn't vanilla spidertron require the fusion fuel in K2 though? And same for modular fusion which is the power source and item used in recipe?
SE adds nuclear fuel as an option for the vanilla Spidertron if K2 is installed. Also the crafting recipe uses RTGs instead of fusion reactors.
I see