Seablock but without the sea. Updated fork of PyroFire's Spaceblock, now it works with Factorio 2.0.
Large total conversion mods.
Makes alien units drop alien ore that can be smelted into alien metal, which can be used for all sorts of alien empowered items.
Scenarios, maps, and puzzles.
[Custom fix to mod] This mod adds three assembling machines that are larger, can make fluid items, and are a host selectable speed