Factorissimo but instead of a factory warehouse it's a copy-paste circuit warehouse. A composite combinator combined with combinations of combinators from a combinator combinator
when starting up the game, an error message pops up:
failed to load mods: error while running setup for entity prototype "radio-receiver-1_tiny" (constant-combinator): next_upgrade can't be set when flag 'not_upgradable' is set.
