Factorio

5 Factorio circuits that keep ammo stocked, oil balanced, and trains moving while you’re away — exact conditions, no jargon.

Build oil processing at the 20:5:17 ratio and stop refinery deadlocks before they start — full recipes, cracking math, and the circuit fix for demand spikes.

1 reactor, 4 exchangers, 7 turbines: the exact Factorio nuclear ratio, verified from the game’s own numbers, plus when to start Kovarex.

One misplaced signal freezes your whole Factorio rail network. Here’s the exact rule — plus a diagnostic table — that fixes it for good.

Master Factorio Space Age trains: sync platform arrival windows with planet-side cargo pickup, fix 3 common deadlocks, and set per-planet train priorities for Vulcanus, Fulgora, Gleba, and Aquilo.

Four Quality Module 3s give 10% quality chance and 0.01% legendary per craft. Exact probability tables, recycler cascade math, and when productivity beats quality.

Space Age has three distinct endgame goals — not one. Here’s the Promethium science chain, infinite research breakdown, and legendary completion checklist for each archetype.

Most Factorio mod lists skip the compatibility check — here are 10 QoL picks that actually load in 2.0, plus which classic mods broke.

Stop piloting spidertrons manually. Queue waypoints, run 3-unit squads, and manage Nauvis outpost patrols from Fulgora in Space Age.

Aquilo kills bases that skip concrete coverage. Here’s the heat-melt rule, ammonia-to-Promethium chain, and why Promethium science is built in space, not on the planet.