Comparison

Servant of the Lake vs BioDecoder

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Servant of the Lake

Step into the role of a housekeeper for the infamous Vanderboom family. Solve puzzles, manage household tasks, and assist with alchemical experiments in this premium point-and-click adventure.

Highlights
  • Classic single-player point-and-click adventure
  • Solve surreal puzzles and assist with experiments
  • Unravel a dark narrative set before Rusty Lake: Roots
  • Explore rooms of the Vanderboom house
  • Immersive soundtrack by Victor Butzelaar
Features
Read full description

Welcome to the Vanderboom house, home to the infamous Vanderboom family! Visitors are arriving soon, and you are meant to start your housekeeping duties immediately! Solve the puzzles needed to fulfil your daily tasks, look after the household, welcome the visitor and ensure their comfort while helping the family achieve their alchemical ambitions. Servant of the Lake is the new premium point-and-click adventure in the Rusty Lake series from the creators of the Cube Escape series, The Past Within and Underground Blossom. Features: ▪ Going back to our Roots – Servant of the Lake is a classic single-player Rusty Lake point-and-click adventure set in the infamous Vanderboom house during the era of Aldous and William Vanderboom. ▪ Solve surreal puzzles – Expect to go from simple tasks such as straightening the family portraits and doing the laundry to assisting in complex experiments and cleaning up the aftermath. ▪ Unravel a dark narrative – Live through events set decades before Rusty Lake: Roots! As the servant of the Vanderboom estate, you can explore each room of The House while making sure the family is looked after. Do you think you can survive the weekend? ▪ Immersive soundtrack – Haunting melodies composed and performed by Victor Butzelaar to keep you company while puzzling your way through your daily, usual and unusual tasks.

About

BioDecoder

Features
Read full description

Enter the world of BioDecoder, a thrilling puzzle experience where logic, memory, and deduction are your greatest weapons. Humanity’s future is on the line – a mysterious code holds the key to survival, and only you can break it. Your mission is simple to explain but challenging to master: uncover the correct sequence before time runs out. Each guess brings you closer to the solution, but also tests your ability to think ahead, eliminate possibilities, and adapt to new challenges. With multiple difficulty levels – from relaxed brain-teasing to extreme code-breaking – BioDecoder is designed for both casual players and true puzzle veterans. Every level offers a fresh challenge, ensuring the game stays engaging no matter how many times you play. Features: • Engaging code-breaking gameplay inspired by timeless classics, with a modern twist. • Four difficulty levels: Beginner, Medium, Hard, and Extreme. • Stylish, clean interface for an intuitive and immersive experience. • Built-in haptic feedback for a tactile feel to every action. • Play at your own pace or race against the clock in timed modes. Whether you have a few minutes to spare or want to sink into an intense puzzle session, BioDecoder offers the perfect mental workout. Can you crack the code and save humanity?

Screenshots

Servant of the Lake4 screens
BioDecoder3 screens

Verdict

The call

The clearest difference is price: BioDecoder at Free against Servant of the Lake's $4.99. Servant of the Lake's advantage is in-app purchases (none vs 3) and update cadence (every 2 days vs fortnightly). On ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

BioDecoder is free to download; Servant of the Lake costs $4.99 up front. BioDecoder sells 3 one-off in-app purchases. Servant of the Lake asks for nothing beyond the download.

UpkeepUpdate frequency

Servant of the Lake ships an update every 2 days, BioDecoder fortnightly. The most recent releases landed on October 23, 2026 and October 14, 2026 respectively.

Scorecard6 real differences · 5 level
Servant of the Lake versus BioDecoder: the parameters behind the verdict, then further details
ParameterServant of the LakeBioDecoder
Price$4.99Free — better
Rating5.0 (2.3K ratings) — better—
Positive reviews96.4% of reviews—
Number of ratings2.3K — better—
Update frequencyEvery 2 days — betterFortnightly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
Best chart rank#5 — better—
DevicesiPhone, iPad, iPod, Mac — betteriPhone
Requires iOS15.0 — better18.5
Further details — not scored
Size756 MB2 MB
Age rating12+12+
DeveloperRusty LakeRichard Magney

In-app purchases

None

Servant of the Lake

No in-app purchases

3 purchases

BioDecoder

One-time3
  • Small Tip$0.99
  • Medium Tip$3.99
  • Large Tip$8.99

Questions

Is Servant of the Lake free?
Servant of the Lake costs $4.99, with no in-app purchases.
Is BioDecoder free?
BioDecoder is free to download, with in-app purchases available.
Do Servant of the Lake or BioDecoder have ads?
Neither Servant of the Lake nor BioDecoder shows ads.
Which is updated more often, Servant of the Lake or BioDecoder?
Servant of the Lake ships an update every 2 days, and BioDecoder fortnightly. Most recently, Servant of the Lake was updated on October 23, 2026 and BioDecoder on October 14, 2026.

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