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Battle System API (For Fun!)

Focus on Gameplay , Not Math. 🎮

Focus on crafting epic gameplay, not complex battle math. Cowculator automates your turn-based combat calculations, so you can spend more time designing and less time debugging

Not Production Ready!
Pretty Fast Though
RESTful & Fun

Everything You Need for Epic Battles ⚔️

Cowculator provide everything needed for solid turn-based combat, without reinventing the wheel.

Faster Development
Cut down combat system development from weeks of math and debugging to just a few minutes. With a single API call, Cowculator handles the heavy lifting.
Skill Sequence Driven
Battle flow is yours to define—set the exact sequence of skills, and Cowculator computes all interactions with precision.
Scales with Your Game
Whether you're in prototype phase or launching your premiere title, Cowculator smoothly adapts to any project size.
Battle Logic as a Service
Skip building turn-based systems from scratch. Cowculator is a ready-made combat engine that manages turn order, damage, buffs, and debuffs.
Engine-Agnostic API
Integrate effortlessly with any engine or framework. Send JSON via API, and receive structured battle results—no compatibility headaches.
Turn-by-Turn Transparency
Get a detailed log of each move in the fight—perfect for creating animated UIs that display every action as it happens.

Super Simple Setup, Epic Results 🚀

Integrate with a single API call and let Cowculator handle the rest.

How The Magic Works ✨

1

Set Up Your Fighters

Tell us about your characters - their stats, and skill sequences.

2

Send On API Call

Cowculator runs the simulation.

3

Get All the Juicy Details

Receive a complete turn-by-turn breakdown, ready to display in your game.

Zero Headache Setup
No servers to babysit, no complex deployments to debug at midnight. Just pure game-making fun while we handle all the boring computational stuff in the background.
Experimental & Fun!
This is a fun experiment, not yet a production ready service! Perfect for prototypes, game jams, and seeing what happens when you pit a dragon against a calculator. Use at your own (fun) risk! 🎲
Made for Developers (Like You!)
Comprehensive documentation, working examples, and an API explorer. Get from "I have an idea" to "look at this cool thing I made!" faster than you can say "critical hit."

Made for Game Developers 🎯

Cowculator scales with your game's complexity, from prototypes to polished releases, ensuring consistent and accurate combat mechanics.

Strategy & Tactical Games
Ideal when players pre-plan their moves—not react mid-fight. Cowculator executes the predefined skill sequences precisely, offering strategic clarity.

Great for:

  • Tactical RPGs
  • Turn-based strategy
  • Digital board games
Card & Deck-Building Games
Perfect for games where players lock in a set of card plays ahead of time. Cowculator handles full resolution of combos and interactions once the sequence is set.

Great for:

  • Digital card games
  • Deck-builders
  • Auto-chess variants
Idle & Progression Games
Ideal for background battles that don’t need real-time control. Predefined actions play out automatically while your game focuses on showing progress and rewards.

Great for:

  • Idle RPGs
  • AFK progression
  • Clicker battle systems
Multiplayer & PvP
Locked-in sequences equal fair matches with no mid-battle interference. Cowculator ensures matches are easy to validate in competitive play.

Great for:

  • PvP arenas
  • Tournament modes
  • Guild battles
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Cowculator.dev

The ultimate turn-based battle calculation engine for game developers.

© 2025 Cowculator. Built for game developers who love simplicity.