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99Day Survival Guide DemoNewsThe new map "Sewer" in the game demo has been updated.
In-game event

The new map "Sewer" in the game demo has been updated.

99Day Survival Guide Demo · published 10 Feb 2026, 06:50 UTC

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Hello everyone, I'm Sam, the developer of this game. The second map of the demo, "Sewer," has been updated. We invite you to try it out and play! If you encounter any issues or have suggestions during gameplay, feel free to provide feedback through the community. Thank you for your support! This demo will continue to receive free updates until June 2026. Enjoy the game!

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In-game event6 Sep 20265,000 Wishlists!5,000 Wishlists! Thank you so much for all your support! 99 Day Survival Guide has finally reached 5,000 wishlists on Steam ! A huge thank you to everyone who has played the game, added it to their wishlist, shared feedback, or told their friends about it. As an indie developer, this milestone really means a lot to me and gives me even more motivation to keep working on the game! The game will…In-game event31 Aug 2026August 31, 2026 — Game Update & Bug FixesAugust 31, 2026 — Game Update & Bug Fixes This update mainly improves mouse controls, adjusts several boss mechanics, and fixes a number of issues that could affect the gameplay experience. 🎮 Control Improvements · Mouse Sensitivity Optimization · The in-game mouse sensitivity now matches your computer's mouse settings. · You can now adjust your mouse sensitivity directly through your computer…In-game event7 Aug 2026Update|August 7, 2026 - Fixes & ImprovementsThis update focuses on bug fixes, system optimizations, and adjustments to various gameplay mechanics to provide an even better experience. Bug Fixes · Fixed an issue where monsters could spawn infinitely on the "Cross-Sea Bridge" map · Fixed an issue where higher difficulties could not be unlocked on the "Hospital" map · Fixed a mouse control issue when the inventory and card selection screens…