ALPHA 0.1.19: function-only saved programs, electricity-free custom devices and demand-driven scheduling. Native radars/speakers retain electricity. Benchmarks incomplete; performance/scaling unverified. Computer items remain plain hardware; back up saves. Factorio 2.1 accepted, tested on 2.1.23.
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.
ALPHA: An extraction-only Space Age planet with palladium and observium ores and pumpable crude oil, sulfuric acid and purple Ugly Suppliment lakes. No new processing chains; bring supplies. Visuals and player travel need testing. Back up saves.
Mods introducing new content into the game.
Experimental 0.4.1 alpha: native terminal key/editor controls and restricted interactive Lua on blue; original/personal VM preserved. Back up saves. Graphical and real multiplayer-join acceptance remain unverified.
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.