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One clock must reach zero. Everything else must not.

You are the last operator at Site Zero. Every reactor system is counting down toward failure, while the evacuation clock is counting down toward survival. Hold the lattice together for seven increasingly hostile night shifts and keep the thing beneath the facility asleep until Zero Hour.

The rule of zero

- Let the evacuation clock reach `00:00`.

- Never let a reactor system stay at zero long enough for its meltdown fuse to expire.

- Sweep your attention across the board before any coupling overheats and locks.

- Take controlled risks with overclocking to earn salvage.

- Draft upgrades between nights and build a run that can survive the final shift.

Controls

- Left mouse, hold: Charge the system under the cursor.

- Left mouse, click: Extinguish a spark.

- Right mouse: Toggle overclock on the hovered system.

- Q: Cryo Freeze.

- W: Time Dilation.

- E: Emergency Surge.

- S: Field Weld on a valid hovered system.

- Space: System Purge when fully charged.

- Esc: Pause, accessibility options, restart, or return to the menu.

Features

- Seven escalating nights with new systems and hazards.

- Three operators with distinct starting strategies.

- Eighteen upgrades supporting manual, safety, automation, tool, and overclock builds.

- A narrative reactor-horror arc and a scripted final-night encounter.

- Reduced motion and flash settings, CRT controls, sound controls, and instant pause.

Credits

Created for GMTK Game Jam 2026:

- Game design, programming, and narrative: Kevin Gabeci

- Art direction: Kevin Gabeci

- Music and audio assistance: Kevin Gabeci

Built with Godot 4.6.3.

Fonts:

- Share Tech Mono by Carrois Apostrophe — SIL Open Font License 1.1.

- VT323 by Peter Hull — SIL Open Font License 1.1.

AI assistance was used for code and writing, and generative AI tools were used during the creation of some visual and audio assets. Additional runtime sound effects are synthesized procedurally in Godot.

Accessibility note

The Options and pause menus include reduced motion/flashes, CRT enable/intensity, and separate sound controls. The game uses flashing alarm feedback by default.