Enemy Difficulty Curve Balancer

Stop balancing enemy progression level by level.

Enemy Difficulty Curve Balancer lets you model enemy HP and damage growth against player HP and DPS progression, then instantly see where your combat curve becomes too easy, too hard, too slow, or dangerously unbalanced.

Set your level-1 values, define how both sides scale, and simulate the full progression curve up to 200 levels.

See the balance problem before you playtest it

The tool calculates and tracks:

• Enemy HP progression
• Enemy damage progression
• Player HP progression
• Player DPS progression
• Enemy armor
• Enemy attack rate
• Estimated fight time
• Incoming DPS
• Estimated damage taken
• Enemy attacks during the fight
• Player survivability
• Relative difficulty score
• Easy / Target / Hard / Danger levels
• Difficulty spikes

A full progression table and interactive chart make it easy to see how small differences in growth rates compound across your game.

Difficulty Curve Audit

Get an instant overview of your progression:

• Final Difficulty
• First Difficulty Spike
• Hardest Level
• Average Fight Time
• Largest Difficulty Jump
• Dangerous Level Count

The automatic Balance Findings section also explains common problems in plain English, such as:

• Enemy HP growing faster than player DPS
• Enemy damage outpacing player HP
• Increasing fight duration
• Falling player survivability
• Late-game difficulty escalation
• Progression becoming easier over time
• Sudden difficulty spikes
• Excessive enemy armor

Inspect any level

Select a level to see a detailed combat snapshot including:

• Enemy HP
• Enemy Damage
• Player HP
• Player DPS
• Time to Kill
• Incoming DPS
• Enemy Hits During Fight
• Hits Player Survives
• Estimated Damage Taken
• Difficulty Score

You can also click directly on any row in the progression table.

Three starting presets

Use one of three built-in models as a starting point:

• Casual — forgiving progression
• Balanced — stable baseline
• Punishing — aggressive enemy scaling

Then replace the values with your own game data.

Built for iteration

Change any value and the entire model recalculates instantly.

No spreadsheets to rebuild. No formulas to copy through dozens of rows.

When you find a curve you want to keep, you can:

• Save settings locally
• Export the complete simulation as JSON
• Export all level data as CSV
• Copy a readable balance report

Useful for

• RPGs
• Action RPGs
• Roguelites
• Survivor-style games
• Progression games
• Level-based combat systems
• Solo game developers
• Game designers prototyping combat progression

Fully offline

No installation.

No account.

No server.

No external libraries.

No data uploads.

Download the ZIP, extract it, and open index.html in your browser.

Everything runs locally on your computer.

Included

• Enemy Difficulty Curve Balancer
• Full offline HTML tool
• User Guide
• README
• License
• JSON / CSV export tools

Important

The Difficulty Score is a relative progression metric designed to reveal changes in challenge across your level curve.

It is not a universal measurement of how difficult a game will feel.

Real combat difficulty also depends on player skill, abilities, movement, AI, encounter design, healing, critical hits and many other systems.

Use the tool to find progression problems quickly, then validate final numbers through playtesting.