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Calamity Overhaul

The introductory music in the preview video might be quite loud, so please prepare accordingly or lower your computer’s volume if you wish to watch it.

The Calamity Overhaul Mod aims to enhance and expand the gaming experience of the Calamity Mod in every possible way.


Gun Overhaul: Nearly all firearms have been revamped, introducing new magazine and recoil systems to make combat more realistic.
Melee Weapon Enhancements: A wide range of melee weapons have been optimized with cooler and more practical attack methods.
Boss Fight Reworks (In Development): Boss fight mechanics are being reworked to provide a more challenging and strategic combat experience.
New Weapons and Gear: Dozens of new weapons and equipment have been added, along with a new crafting system to enrich the gameplay.
Terrain Generation Improvements: Adjustments have been made to terrain generation to enhance exploration and challenge.
Expanded Crafting Recipes: New crafting recipes offer more creation options.
Game Flow Smoothing: Numerical adjustments have been made to the game flow, providing a more balanced gaming experience.
Additional Weapon Overhauls: Hundreds of additional weapons have been redone to give players more choices and gameplay options.


Class Overhaul: A comprehensive rework of other classes is underway, including weapon and mechanic optimizations.
Death Mode AI Rework: All AI will be reworked for Death Mode, bringing a fresh new battle experience.
Game Balance Optimization: Further adjustments and optimizations to game balance to ensure all players enjoy both challenge and fun.
More Legendary Weapons: Additional legendary weapons with unique attributes and abilities will be added.


The mod is open source on Github[github.com]. Feel free to report issues, provide suggestions, or contribute to localization efforts!


QQ Group: 711243165 - Here you can contact me directly and join discussions.
Video Homepage: 红茶object’s Profile[space.bilibili.com] - Get more real-time updates and video content!
Independent Wiki: (Coming Soon) - Providing detailed mod information and guides.