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Free Chroma 3 Case opening simulator: $5.79 open cost, $4.90 EV, -15.38% Unbox ROI, 77 drops across 4 rarities. Test odds, history and win rate without spending keys. Updated June 3, 2026. Research and entertainment only.
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Chroma 3 Case
Simulate Chroma 3 Case opens at $5.79 ($3.30 case + $2.49 key) without spending real money. Compare runs to $4.90 EV and -15.38% Unbox ROI from the Details tab.
The Chroma 3 Case simulator rolls 77 outcomes across 4 rarities at $5.79 per open, tracking session win rate against $4.90 EV.
Sessions deviate from $4.90 EV and 5.70% profit chance — that variance is the point. Lucky sims do not prove $5.79 opens are +EV.
Hold Chroma 3 Case at $3.30 with 0.00% Investing ROI on Details; simulate opens at -15.38% Unbox ROI here — different intents.
CSProfit models Chroma 3 Case at $4.90 EV — faster than real opens, not a profit promise.
It rolls 77 Chroma 3 Case drops using the same weights as Details, values each hit at current prices and charges $5.79 per simulated open against $4.90 EV.
★ Bayonet | Doppler is 0.00% (about 1 in 23256). ★ M9 Bayonet | Doppler, ★ Karambit | Doppler, ★ M9 Bayonet | Doppler lead average value; common tiers dominate the 77-item pool across 4 rarities.
Yes — virtual opens use the $5.79 modeled cost ($3.30 + $2.49) without charging your Steam wallet.
Detail EV is $4.90 (-$0.89 vs $5.79 open). Individual sims often land below that because commons dominate 5.70% profit chance.
It uses CSProfit's 77-item probability table for Chroma 3 Case (updated June 3, 2026). It models randomness but is not Valve's server-side roll.
Modeled exp. profit is -$0.89 on $5.79 opens with -15.38% Unbox ROI. Most single opens still return items worth less than cost.
Click Open Once ($5.79 modeled) or Quick Sim for bulk runs. Compare history to $4.90 EV and 5.70% win benchmark.
You can hit ★ M9 Bayonet | Doppler ($7,631.49 avg.) in sim, but 0.00% rare drops remain unlikely. Session wins ≠ -15.38% long-run ROI.
Run 50+ Quick Sims, chart rarity distribution and compare win rate to 5.70% and EV to $4.90 — one lucky streak is noise.
The web tool is free. Real Chroma 3 Case opens still cost $5.79 (USD) on Steam if you choose to open for real.