UDLR Sliding puzzles vs Derpy Cat
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
UDLR Sliding puzzles
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UDLR is a collection of sliding puzzles. Currently it includes the following games: - Number puzzle (Upgraded version of 15 puzzle) - Classic mode - Snake mode - Spiral mode - Picture puzzle - Klotski - Rush Hour - 2048 How to play: - Number puzzle and Picture puzzle: Tap or slide a tile to move it, and any other tile that between the blank tile and the touched tile will be moved together - Klotski and Rush Hour: Slide a tile to move it - 2048: Move all tiles by sliding in different directions Enjoy the games!
Derpy Cat
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Drop adorable, derpy cats and match them to create bigger, even derpier ones! Can you merge your way to the legendary Cat God? Derpy Cat is a physics-based drop & merge puzzle game where cats bounce, roll, and stack in hilariously chaotic ways. Match two cats of the same tier to evolve them into the next โ from tiny kittens all the way up to the all-powerful Cat God. CLASSIC MODE Drop cats, stack smart, and chase your highest score. Merge combos for bonus points and screen-shaking celebrations. One wrong move and your box overflows โ game over! DAILY CHALLENGE A new puzzle every day with the same drop sequence for all players. Compete on the global Game Center leaderboard and build your daily streak. CATPEDIA Collect and discover all 10 cat tiers. Each one has its own unique look and personality โ tap to learn their hilarious bios. FEATURES โข 10 tiers of increasingly derpy cats to discover โข Physics-based gameplay โ every drop is different โข Daily challenges with Game Center leaderboards โข Streak tracking to keep you coming back โข Combo scoring system with satisfying merge effects โข Haptic feedback, particles, and screen shake โข Catpedia collection with unique cat bios โข Original music and sound effects
Screenshots
Verdict
The clearest difference is iOS requirement: UDLR Sliding puzzles at 13.0 against Derpy Cat's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
UDLR Sliding puzzles ships an update every 5 days, Derpy Cat every 4 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.
| Parameter | UDLR Sliding puzzles | Derpy Cat |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days | Every 4 days โ better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 13.0 โ better | 17.6 |
| Further details โ not scored | ||
| Size | 38 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | ๆฏ็ฏ ๆข | Lucas Moeller |
In-app purchases
UDLR Sliding puzzles
No in-app purchases
Derpy Cat
No in-app purchases
Questions
Is UDLR Sliding puzzles free?
Is Derpy Cat free?
Do UDLR Sliding puzzles or Derpy Cat have ads?
Which is updated more often, UDLR Sliding puzzles or Derpy Cat?
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