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Turn your phone sideways to run the data center.

AI data centers vs the power grid · 2026

GIGAWATT

Build an AI data center on a city block. Place GPU racks, route power and cooling, and keep up as demand doubles every time a new model drops. Just don't black out the neighbourhood next door.

A made-up city block and a made-up company. Inspired by real forecasts of data center power use. Legal

Shifts

Paused

Settings

How to play

Build

Pick a building in the bar (or press 1-6), then click tiles. Drag to lay cables. Right-click or X bulldozes (half your money back). Click a rack to switch it off or on.Tap a building in the bar, then tap tiles (drag to lay cables). Use 🧹 to bulldoze. Tap a rack with no tool picked to switch it off or on. Pinch to zoom; drag to pan (two fingers, or one with no tool picked).

GPU racks serve tokens and earn money. Coolers cool the racks right next to them. Cables carry power.

Power

Everything touching (cables and buildings) forms a network. If its load beats its supply, it trips: a blackout for a few seconds, and the breaker switches off some racks. If that network includes the city substation, the houses go dark too and the neighbours get angry.

Batteries store spare power. Solar works by day only. Gas is strong but costs money and makes people angry.

Heat and the goal

Racks heat up; over 100 they catch fire and burn down. Hot racks slow down. Water next to a cooler makes it 50% better.

Serve the token goal before the shift ends. If anger reaches 100, you're shut down. Space pauses; wheel zooms; arrow keys pan; M mutes.