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Encounter Challenge Calc is a utility app that feels like a life-saver for Dungeon Masters. It takes the tedious math out of planning combat encounters for 5th Edition fantasy games. Instead of manually calculating XP thresholds and adjusting for party size, you can just plug in your levels and let the app do the heavy lifting.
The interface is straightforward and utilitarian. While it’s not 'pretty' in a traditional sense, it is extremely efficient. The 'Creature Count per CR' chart is especially helpful when you need to quickly scale an encounter up or down on the fly. It’s a solid, reliable tool that stays out of your way and lets you focus on the storytelling part of your game.
XP threshold calculations
Creature Count per CR chart
Mixed CR encounter difficulty calculator
Supports party levels up to 20
Start by entering the number of characters and their respective levels. The app will immediately generate the XP budgets for Easy through Deadly encounters, which you can then use to pick monsters from your sourcebooks.
While not a game itself, the 'gameplay' of the app involves navigating through its calculation menus to balance combat. You can add mixed groups of monsters to see exactly how 'Deadly' a boss fight will be.
Yes, it is specifically designed based on the encounter building rules for 5E fantasy RPGs.
Not bad, much easier than doing it manually. The graphics aren’t beautiful, but they definitely don’t need to be. Only issue I have is this: the SRD has CRs of 1/3, 1/8, etc and those aren’t options in this app. If you don’t intend a Tucker’s Kobolds or a lot of time at lower level, it probably won’t affect you.