Questerium: Sinister Trinity HD Collector's Edition: Steam price vs key
Questerium: Sinister Trinity HD Collector's Edition costs €6.49 as a key at BuyCheapKeys, versus a regular price of €6.99 on the Steam Store: you save €0.50 (7% less). The key activates on your Steam account and it's exactly the same game (prices from October 4, 2026).
- 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 Questerium: Sinister Trinity HD Collector's Edition now? Cheaper than Steam
The key costs €0.50 less than the regular Steam price and is at its lowest recorded price.
Price score: 1/10 · The key is 7% below 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 Questerium: Sinister Trinity HD Collector's Edition keys
1 offer, sorted by price
- €6.49Buy
Questerium: Sinister Trinity HD Collector's Edition
CheapestSteam keyGlobal-€0.50 compared with the Steam regular price
Questerium: Sinister Trinity HD Collector's Edition price history
- Steam regular price€6.99
- BuyCheapKeys key€6.49
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 Questerium: Sinister Trinity HD Collector's Edition key
- 1
Buy the key
Choose the Questerium: Sinister Trinity HD Collector's Edition 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.
Questerium: Sinister Trinity HD Collector's Edition FAQ
›How much is Questerium: Sinister Trinity HD Collector's Edition on Steam?
The regular Steam price of Questerium: Sinister Trinity HD Collector's Edition is €6.99. At BuyCheapKeys the Steam key costs €6.49, €0.50 less.
›Where to buy Questerium: Sinister Trinity HD Collector's Edition cheapest?
The cheapest option is the BuyCheapKeys Steam key for €6.49, 7% below the regular Steam price. Instant delivery and it activates on Steam.
›Is the Questerium: Sinister Trinity HD Collector's Edition key the same game as on Steam?
Yes. When you redeem the key, Questerium: Sinister Trinity HD Collector's Edition 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 Questerium: Sinister Trinity HD Collector's Edition at BuyCheapKeys?
The lowest recorded price for the key at BuyCheapKeys is €6.49 (October 4, 2026). Today it costs €6.49.
›Will the Questerium: Sinister Trinity HD Collector's Edition 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 Questerium: Sinister Trinity HD Collector's Edition worth it?
It has 80% positive reviews out of 208 on Steam (“Very Positive”), was released in 2015 and is developed by URSE Games. Genres: Adventure, Casual, Hidden Object, Puzzle.
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Questerium: Sinister Trinity HD Collector's Edition
€6.49