Queues every technology from game start: a rush for bots, worker robot speed and power armor, then the planets in order: Vulcanus, Fulgora, Gleba, Aquilo. Infinite research queues last: research productivity leads (it takes over forever once all twelve packs flow), the rest go cheapest first. A technology is eligible while the logistic network plus the reading lab hold every science pack it consumes.
Minimum combined count (logistic network plus the reading lab) of every science pack a technology consumes before it may be picked. Keeps a single stray pack from selecting research your labs cannot sustain.
Research cost doubles every level, so one high level can starve everything queued below it. 0 = no limit. Research productivity is never capped by default, since it is the endgame sink. Each infinite research in the queue below can override this with its own level.
Drag to reorder, ✕ to drop a technology from the queue. Reset restores the computed order.
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- Place it so the roboport joins the logistics network storing your science packs.
- No bots? Delete the roboport and red-wire chests, or belts with “Read belt contents” set to Hold (all belts), into the vertical combinator’s input.
- Full tree: feed the left lab like any other lab; its contents add to the roboport’s network count, and it reports the research level as signal L.
- Any lab works: “set research” applies to your whole force. Needs Factorio ≥ 2.1.
- Full tree: the display panel beside each combinator lights its group signal once every pack in that combination is stocked.