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Zombie Panic! Source is celebrating its 15th birthday!

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Zombie Panic! Source was released 15 years ago (2022-12-28)! What first started as a Half-Life 1 mod, moved to Half-Life 2 and then re-released as a standalone game on Steam in 2017! Happy Birthday my little ZPS!


We've also released a lovely Christmas update few days ago, featuring quality-of-life changes focused on game performance, UI/UX improvements when using inoculators, player movement & game balance adjustments and many bugfixes we would have liked to release sooner. Full details here!

Thank YOU for supporting us and enjoying the game this far!!!

Happy Holidays!

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