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Steam announcementView the game on SifterAugust 20, 2026

Patch Note 434

Fixed

Tech tree items only ever showed one of their requirements, so things like the Cinema looked unlockable when they weren't. Every requirement is now drawn, and the locked message tells you exactly which one you're missing.

"All the Way Down" could never unlock. It now unlocks when you dig to the bottom.

The game opens in fullscreen again.

Escape now cancels build, tube, pipe and demolish modes instead of opening the pause menu.

The fullscreen setting in Settings showed "off" while the game was fullscreen, and turning it on could hand Escape back to Windows. Both fixed.

Mode indicators no longer get hidden behind the key card, the mayor panel, the heat legend or the save buttons.

Fixed diagonal pipe runs where parts of the line weren't carrying water, and Z now correctly un-lays pipes and restores erased ones.

Thanks

Posted by the game’s developer or publisher to its Steam community hub and published by Valve through Steam’s public news API. Sifter reproduces it unedited and writes none of it.