Sell for Credits. The wallet holds only so much; when it's full, selling stops.
Pay a bit at a time; progress is kept. Early research takes parts, later research parts plus credits.
Finish the Launch Project to relocate to a new site and keep Research Data for permanent boosts. Arrives in a later build.
Each glowing dot is 1 kW. Taps and the Coal Power Plant charge the battery bank (100 kW per Battery T1). Machines draw 0.25 kW/s on Level 1 and double each Level down (Electric Drills 0.5); a ×2 machine draws double. When the bank runs dry, machines wait with "NO POWER".
Unplug any building to save power for the ones that matter.
Back up your factory and play on any device.
Progress saves on this device automatically.
This device and your cloud save both have progress. Pick one to keep playing. The other is kept once on this device (Settings → Restore previous save).
Mine it. Smelt it. Wire it up. Then let it run.
Build a factory from a single tap to a coal-powered line that runs while you are away.
Signing in backs up your factory so you can play on any device. As a guest, it is saved on this device only.
Sign in with Google to back up your progress and play on any device. Or play as a guest: your factory is saved on this device only.
TIER 1 COMPLETE
Your coal plant is running and the lights are on. That is everything this demo holds.
Keep playing: three stretch goals take every line to 4 Levels and the Power Plant to Lv 4.
More tiers coming soon.