Steam
BestOfficialIn stockBooster · Region US · Jul 16
Free
Booster
Open free boosters every 3 hours and collect unique cards straight into your Steam Inventory. Trade, sell, or flex — the choice is yours.
OfficialFreeAug 13, 2025 · marCasualFree To PlayFamily SharingIn-App PurchasesSingle-playerWindows
Current best
Free
at Steam · Jul 16
All-time low
Not yet
No USD history
Stores tracked
1
sources indexed
Review signal
79%
19 reviews
Current best · Steam
Free
Observed Jul 16
View best listingKeyDwarf only tracks observations — checkout happens on the store.
Tracked Stores
Best indexed price $0.00 at Steam.
1/1
View listing
How trust is scored: KeyDwarf combines source type, known retailer posture, marketplace risk, activation-region warnings, and source transparency. Checkout and support still happen with the external seller.
Price History
Price insights are not shown for games flagged as permanently free.
Media
10 indexedCommon Questions
Where is Booster cheapest right now?
Booster is currently indexed at Free from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.
What is the historical low for Booster?
KeyDwarf has not indexed enough USD history for Booster yet.
Is the top source safe?
Steam is labeled "Official store" in the index. KeyDwarf tracks the listing and source risk, but checkout and support stay with the external store.
What is the review signal?
Booster has a best indexed review signal of 79%.
Can KeyDwarf notify me about a lower price?
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