Monte Carlo
Bulk case opening calculator
Simulate thousands of CS2 case openings at once — total cost, return, ROI, distribution, and rarity actual-vs-expected, computed in a Web Worker.
Monte-Carlo simulation
Waiting for price data…
Runs off the main thread. Same seed + N reproduces the run exactly. Individual pulls are not stored unless you save them.
Session
Live stats appear here as you open. This session is not saved — see Statistics for lifetime data.