Product craft · free tool

Game Economy Simulator

Sources, sinks, and gacha — session by session, so fun, fair, and fundable stay aligned. Design the economy for sustenance before live players stress it for you.

Inputs

Your assumptions

Clock

Steps Sess/day Sess min Seed

Currency

Name Start Inflow / sess

Sink

Item Cost Rate Unit

Sink 2 opt

Item Cost Rate Unit

Gacha on

Box Cost Open rate Unit Rare name Rare p Common name Common p

Grant opt

Amount At step

Impact

Speed

—

Step 0 Balance —

Click a series to show or hide it

Flow

Purchase efficiency

Item	Exp	Act	Blocked	Eff

Gacha

Inventory

Export CSV + chart image

Explore free. Unlock downloads with your work email — full step CSV and a PNG of the balance chart.

Best for: checking whether an economy runs too rich or too tight before you ship rates. Watch the curve free — export the CSV and chart when you want a shareable pack.

Need a deeper pass?

We can review sinks, gacha, and live cadence with your team.

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Authorship. Page content and design expression © Yardstick Games Private Limited (Paul Dutta, Founder). Where AFITMRR™ appears, it refers to Yardstick’s player-value framework — a trade mark of Yardstick Games Private Limited. All rights reserved.