Bongo Cat Tools & Calculators
Real input → output, with the assumptions written on the tin. Drop odds are quoted per-rarity (never per-item) from Steam's published table, and community estimates such as chest cadence are labelled as such.
Bongo Cat drop rates calculator
Chest items opened, then your real chance of a Rare, Epic or Legendary, plus the roll count where half of players already have one.
Rarity drop calculator
Active playtime × adjustable chest cadence → expected items per rarity, with honest per-rarity odds.
Chest simulator
Open chests at the published odds and see the spread the average hides — including the odds you still have zero of a tier.
Trade-up planner
Enter your inventory; see how many higher-tier items your 10-to-1 trade-ups produce.
Trade calculator
Add both sides of a player trade and see instantly whether the deal is fair, uneven, or lopsided.
Item value list
All 253 items ranked by trade value and scarcity tier — search, filter by rarity, and sort by what each is worth.
Clicks → achievement
Estimate how long to reach 1M / 10M / 25M inputs, using Steam-verified thresholds.
Collection tracker
Mark owned items locally, filter missing items, and separate chest drops from limited and DLC cosmetics.
The item value list ranks worth from the game’s own 10-to-1 trade-up ladder and each item’s scarcity — no invented cash prices. For live listings we link out to the Steam Community Market rather than mirror its numbers.