Value snapshot
Unlock cost
Average return
Average profit
Return rate
Best possible profit
Cheapest drop
Average profit is what you'd gain or lose per unlocks on average, weighted by each item's drop odds. Return rate expresses the same idea as a percentage of the star cost: Positive means the tile "pays" for itself over many unlocks, negative means it doesn't.
What you can get
Tier odds
0.64%Charm | 8 Ball IGL
Charm | Butane Buddy
Charm | Glitter Bomb
Charm | Lil' Ferno
Tier odds
3.21%Charm | Eye of Ball
Charm | Flash Bomb
Charm | Hungry Eyes
Charm | Lil' Eco
Charm | Lil' Yeti
Tier odds
16.02%Charm | Big Brain
Charm | Bomb Tag
Charm | Dr. Brian
Charm | Lil' Bloody
Charm | Lil' Chomper
Charm | Lil' Dumplin'
Charm | Lil' Facelift
Tier odds
80.13%Charm | Biomech
Charm | Fluffy
Charm | Gritty
Charm | Lil' Zen
Charm | Splatter Cat
Charm | Whittle Guy
Disclaimer: odds shown for the Dr. Boom Charms are community estimates — Valve has never published official Armory drop rates. Dr. Boom Charms prices update from CSFloat and move with the broader CS2 market, so treat the return-rate figure as a rolling snapshot rather than a guarantee.