Combat Balance Lab

Stop guessing what your combat numbers actually do.

Combat Balance Lab is a lightweight offline tool for indie game developers and game designers who want to compare combat builds, understand damage output, and explore time to kill without building spreadsheets from scratch.

What’s New in v1.3

Combat Balance Lab v1.3 adds deeper matchup analysis and more control over firearm behavior.

• Burst Fire support for Advanced Firearm builds
• Breakpoint Explorer for finding important TTK jumps across Target HP
• Matchup across Target HP analysis with crossovers and sweet spots
• TTK Advantage view for comparing how far one build leads another
• Clearer results from 10,000 randomized combat simulations
• UI and workflow improvements across the tool

Compare builds side by side

• Damage per hit, shot, cast, or attack
• Attack / fire rate
• Continuous and Burst Fire behavior
• Hit chance
• Critical hits
• Magazine and reload for firearms
• Target HP and damage reduction

Understand the outcome

• Damage per Second
• Effective Damage per Second
• Expected actions to kill
• Time to Kill
• Time-to-Kill curve across different target HP values
• Breakpoint Explorer
• TTK Advantage and matchup changes across Target HP

Simulate combat variance

Run 10,000 simulated encounters to see how accuracy, critical hits, reloads, burst behavior, and randomness affect the result.

Built for different combat types

Firearms, melee weapons, abilities/spells, automatic/tower attacks, and custom setups.

Simple by default

Start in Simple mode and switch to Advanced when you need more control.

100% offline

No installation, accounts, server, or internet connection required. Extract the ZIP and open Combat Balance Lab.html in your browser.

Presets are saved locally and can be exported/imported as JSON.

Included

• Combat Balance Lab
• Quick Start guide
• Example setup
• README
• License

Made by TuneMatter.