Lost Marbles: Steam price vs key
Lost Marbles has a regular Steam price of €9.99 and costs €21.04 as a key at BuyCheapKeys (October 4, 2026). Turn on the price alert and we'll tell you when it drops.
- Instant deliveryKey by email and in your account
- Full guaranteeReplacement or refund
- Secure paymentCard, PayPal, Google Pay, Apple Pay
- Activates on SteamSame game in your library
- Up to 4% cashbackWith the VIP Club
Should I buy Lost Marbles now? Wait for a drop
Turn on the price alert and we'll let you know as soon as the key gets cheaper.
Price score: 0/10 · The key does not beat the regular Steam price.
The same game, for less
A Steam key gives you exactly the same as buying on Steam. Only the price changes.
Available Lost Marbles keys
1 offer, sorted by price
- €21.04Buy
Lost Marbles
CheapestSteam keyGlobal
Lost Marbles price history
- Steam€9.99
- BuyCheapKeys key€21.04
We've been tracking this game since October 3, 2026. The chart will appear once there are a few days of data.
How to activate the Lost Marbles key
- 1
Buy the key
Choose the Lost Marbles offer and pay. You get the key instantly.
- 2
Open Steam
Go to “Games” › “Activate a Product on Steam”.
- 3
Redeem and play
Paste the key and the game stays in your library forever.
Lost Marbles FAQ
›How much is Lost Marbles on Steam?
The regular Steam price of Lost Marbles is €9.99. At BuyCheapKeys the Steam key costs €21.04.
›Where to buy Lost Marbles cheapest?
We track the BuyCheapKeys key price (€21.04) every day. Turn on the alert to know when it drops.
›Is the Lost Marbles key the same game as on Steam?
Yes. When you redeem the key, Lost Marbles is added to your Steam account with achievements, cloud saves and updates, just as if you bought it on Steam.
›What is the lowest price for Lost Marbles at BuyCheapKeys?
The lowest recorded price for the key at BuyCheapKeys is €21.04 (October 4, 2026). Today it costs €21.04.
›Will the Lost Marbles key work in my country?
We list Global and Europe region keys. Each BuyCheapKeys product page tells you whether it can be activated in your country before you buy.
›Is it safe to buy from BuyCheapKeys?
Yes. Delivery is instant by email and in your account, we accept card, PayPal, Google Pay and Apple Pay, and every purchase is covered by a replacement or refund guarantee.
›Is Lost Marbles worth it?
It has 58% positive reviews out of 12 on Steam (“Mixed”), was released in 2014 and is developed by Binary Takeover. Genres: Indie, Casual, Action, Puzzle.
Games like Lost Marbles, cheaper as a key
-11% vs SteamTurba
-46% vs Steam RRPLinelight
-23% vs SteamYou Must Build A Boat
-11% vs Steam RRPLUMINES REMASTERED
-61% vs Steam RRPCat on a Diet
-50% vs Steam RRPMillie
Lost Marbles
€21.04