Last Nuclear Darkness cover
Last Nuclear Darkness screenshot
Genre: Simulator, Adventure, Indie

Last Nuclear Darkness

Patch notes: V 0.2.05.043

The following improvements have been made:



  • The exit to the exterior was enabled.

  • The escape plan was enabled as a variant of action before an eventual fission of the core.

  • Adjusted the values and operation of the Condenser to improve the simulation.

  • Added option to enable or disable random damage events during the game.

  • Adjusted the tooltip timings in the settings menu to make it less intrusive.



The following fixes have been made:



  • Fixed bug of the maintenance report that was not being saved correctly.

  • Fixed bug of class B generating set that did not allow fuel loading.

  • Fixed bug in the label of the charging mouth of the generating sets, where it said Oil instead of Fuel.

  • Fixed the loop number bug in the Marketplace section of the tablet.



This update is compatible with all previous savegames. If you're having trouble loading a saved progress, please let me know!

We are waiting for you in the game's Discord!

Patch notes: V 0.2.05.042

The following fixes have been made:


  • The error in which AO, upon finishing a repair task, delivered a complete report of the plant, including non-analyzed elements, was corrected.

  • Fixed bug with control rods hovering controller (again!).

  • Fixed the error of the class B generating set that allowed passing through it.

  • Fixed bug that in certain circumstances prevented swapping out damaged control rods controller replacement.

  • Fixed bug with teleport outside when forcing a door when there is no power.


The following improvements have been made:


  • Added the ability to load any previous savegame (the last 8 are kept). And when saving, it is now possible to add a description.

  • Made adjustments to repair times and added caps to prevent times from being too high.

  • The "Clear report" button was added on the Tablet, maintenance report section, to delete the analyzed data.

  • The "Status" application was added to the tablet to have the main parameters of the plant at hand.


The update is compatible with any previous savegame. If any error occurs, please let me know.

The exterior is still in testing, so if you want to test it, you need to modify a configuration file. You can consult on the Discord.

Patch notes: V 0.2.05.040

The following fixes have been made:


  • Fixed bug of worn out water pumps not showing up in the maintenance list.

  • Fixed bug that occurred when buying two identical components in the same order.

  • Fixed bug of the fuel gauges of the generating sets.

  • Fixed the description of the components on the tablet, so that they show the loop instead of the id.

  • Fixed maintenance report, so that it can be analyzed manually even though AO is working.


The update is a bit heavier than usual because it is preparing to enable the exterior of the game. Those who want to test it, consult the Discord!

Patch notes: V 0.2.05.038

The following fixes have been made:


  • Fixed bug "stunts frames": added "Statistics in memory" option in game settings.

  • Fixed visual bug of control rods controller floating out of the box.

  • Added manual repair award when replacing broken control rods controller.


Patch notes: V 0.2.05.037

The following fixes have been made:


  • Fixed bug when showing some dialogs on the screen.

  • Fixed visual bug that allowed you to walk inside the generating turbine.

  • Fixed of the repair pliers not being saved correctly in the savegame.

  • Fixed AO error, where it abandoned some operational task without explaining the reason.

  • Made improvements to avoid the "stunts frames" bug during fasttime (and added an experimental debug option).

  • Fixed typing error "MARKTPLACE".

  • Adjusted Pressurizer valves to open and close more slowly.


Patch notes: V 0.2.05.036

The following improvements have been made:



  • The repair clamp was added to the game.



The following fixes have been made:



  • Fixed rounding in spare parts cleanup form.

  • Fixed typing error "HAZARD SUIR".

  • Fixed bug with inaccessible objects behind racks.

  • Fixed color inconsistency when losing a license.

  • Possibly fixed the bug "events failed prematurely".

Patch notes: V 0.2.05.035

The following fixes have been made:


  • Fixed bug where shorted wires could not be repaired.

  • Fixed the error in the logistics section of the tablet, where the wrong price of the product was displayed.

  • Fixed "No AO help for x time" event getting stuck if not fulfilled.

  • Fixed "The game plays the critical mass music every time you load into a save".

  • Fixed the maintenance request for the circulation pump of the condenser cooling circuit.

  • Fixed the bug of the emergency batteries that in certain circumstances it was not possible to charge them.


The following modifications were made:


  • Added the indicator of wear due to pump continuous use without maintenance in the maintenance report.

  • When scanning with the tablet's area scanner, wires that are not shorted will be excluded from the results.

  • Improved the description of the scanned object.

  • A bypass key was added in the supply room to force the charging of the emergency batteries through any power source.

  • The option checks were modified to make them more visible.

  • Added an alternative input method for player control.

Patch notes: V 0.2.05.030

The following improvements have been made:



  • Added the "Near zone analysis" function to the tablet (maintenance report section) to analyze nearby components, without having to wait for AO.

  • The quantity limit of the same product per order was eliminated.

  • The time remaining in the "Under Construction" notice is now continuously updated while on screen.

  • The "mission failed" sound has been modified to avoid copyright problems.



The following fixes have been made:



  • Fixed the bug that kept hands fixed on the door when there is no power supply and the doors cannot be opened.

  • Fixed the bug that allowed you to buy more generating turbines than possible.

  • Fixed event description "Generate an energy peak of".

  • Fixes and new validations to prevent a failed event from getting stuck in time.

  • Fixed wrong audio for non-existent "Activates the backup turbine".

  • Fixed the negative time error in the "Under construction" notice.

Patch notes: V 0.2.05.029

The following fixes have been made:


  • New fixes and tweaks to mouse movement: added movement compensation option, for cases where the mouse behaves erratically.

  • Fixed crash that sometimes occurred when loading a saved progress with constructions in progress.

  • Smoothed out camera movement when tablet is active.

  • Fixed bug when storing the tablet. In some cases the camera followed the movement and ended up at
    an impossible angle.

  • Fixed bug in the machines section of the tablet, where it incorrectly showed the installed evaporators.

  • Fixed bug when throwing a battery on AO's charging pad (or some other small object) - then it couldn't be picked up.

  • Stability fixes in core simulation when the game is running in accelerated speed.


Patch notes: V 0.2.05.028

The following fixes have been made:



  • New time speed control: normal, fast, very fast and fast time offline.

  • Fixed bug in the icons of the water pumps that appeared rotated.

  • Fixed bug with player hand animation when pressing set button on control bars.

  • Fixed bug in the increase in experience based on prestige points.

  • Fixed bug of missing cursor when accessing the game options when the tablet is active.

  • Adjustments were made to camera rotation via the mouse, to avoid movement inconsistencies.

  • Accurate aiming time has been increased, when the player is not moving.