Comparison

Liquid Cat Puzzle vs Flat Machine

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

Head to head
About

Liquid Cat Puzzle

Engage in a brain-training one-stroke puzzle game featuring mysterious liquid cats. Solve puzzles to protect and collect various cats, then train them for battle mode against rivals. Discover different cat rarities and enjoy a strange, mysterious world.

Highlights
  • One-stroke brain-training puzzles
  • Collect and raise various liquid cats
  • Battle mode against rivals
  • Discover cats of different rarities
  • Solve puzzles to protect cats
  • Progress through various stages
Features
Read full description

Are cats liquid? Meet the mysterious creatures known as “Liquid Cats”! Turn on the faucet, and they may come flowing out of the pipes. Dive into a strange and mysterious world filled with cats! ◆ ENJOY BRAIN-TRAINING PUZZLES How many blocks can you connect in a single stroke? The puzzles are easy to learn but challenging to master. Keep playing, sharpen your mind, and aim for a new high score! ◆ SOLVE PUZZLES AND SAVE LIQUID CATS Connect as many blocks as possible to earn a high score. Solve puzzles, rescue Liquid Cats, and conquer a variety of stages! ◆ RAISE YOUR LIQUID CATS Rescued Liquid Cats can join your team. Train them, help them grow, and build a powerful party! ◆ DISCOVER LOTS OF LIQUID CATS Meet a wide variety of Liquid Cats, each with its own rarity. Can you collect them all? ◆ CHALLENGE BATTLE MODE Once your Liquid Cats are strong enough, put your skills to the test in Battle Mode. Master the puzzles and defeat your rivals! Free to download and play. Optional in-app purchases are available.

About

Flat Machine

Control a limbless robot tasked with defending a settlement in a post-apocalyptic world. Engage in simple, timing-based battles against various threats and make choices that influence the game's multiple endings. Discover the mystery of your own identity.

Highlights
  • Simple, timing-based battles
  • Item combination system
  • Respond to various visitors
  • Multiple endings based on choices
  • Daily events and encounters
Features
Read full description

■ Story In the not-so-distant future, a world on the brink of ruin. Awakening in the wasteland is a single robot—with no limbs and no memories. You become the settlement's "gatekeeper," fending off the strange visitors who arrive day after day. Can you protect the settlement through its final days? And what is the true nature of the Flat Machine...? ■ Features [1] Easy, satisfying defense battles—just tap! Tap with the right timing to repel the enemies closing in. Simple to play, yet endlessly strategic through gear and item combinations. Build your own ultimate defense style. [2] Your "choices" change the future—multiple endings Not everyone at the gate is an enemy. Help a struggling mutant, or coldly turn it away? Your decisions steer the story to its ending in this rich sci-fi adventure. [3] Charming pixel art and a wistful apocalyptic world Lovable yet lonely characters brought to life in beautiful retro pixel art. An original atmosphere, deepened by a carefully crafted soundtrack. ■ Perfect for players who love - Pixel-art (retro) games - Dystopian, sci-fi, and apocalyptic worlds - Story-driven indie games - Quick, pick-up-and-play sessions - Tower defense, idle games, and RPGs - Playing free to the end, at your own pace, with no stamina Step into the "everyday apocalypse" woven by an amnesiac gatekeeper robot and the inhabitants of a dying world.

Screenshots

Liquid Cat Puzzle4 screens
Flat Machine4 screens

Verdict

The call

Liquid Cat Puzzle and Flat Machine both sit at 5.0 stars, but that hides the real split: 94% of Flat Machine's written reviews are positive against 48% of Liquid Cat Puzzle's. Flat Machine also leads on ratings volume (68 vs 7). On price, rating, update cadence and 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

Both are free to download. Liquid Cat Puzzle sells 4 one-off in-app purchases and Flat Machine sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Liquid Cat Puzzle against 4.9 for Flat Machine. That said, the two scores are not equally well evidenced: Flat Machine has 68 ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 48% of Liquid Cat Puzzle's written reviews are positive against 94% of Flat Machine's.

UpkeepUpdate frequency

Liquid Cat Puzzle ships an update every 8 days, Flat Machine every 5 days. The most recent releases landed on September 24, 2026 and September 28, 2026 respectively.

Scorecard2 real differences · 8 level
Liquid Cat Puzzle versus Flat Machine: the parameters behind the verdict, then further details
ParameterLiquid Cat PuzzleFlat Machine
PriceFreeFree
Rating5.0 (7 ratings) — better4.9 (68 ratings)
Positive reviews47.6% of reviews93.7% of reviews — better
Number of ratings768 — better
Update frequencyEvery 8 daysEvery 5 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size440 MB118 MB
Age rating4+12+
DeveloperKeisuke Tadazxima.LLC

Customer experience

Liquid Cat Puzzle

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews21 reviews
Positive47.6%
Neutral38.1%
Negative14.3%

Flat Machine

All ratings68 ratings
Positive97.1%
Neutral2.9%
Negative0.0%
Written reviews63 reviews
Positive93.7%
Neutral4.8%
Negative1.6%

Bugs and requests

Liquid Cat Puzzle

Not enough reviews yet to summarise bugs or requests.

Flat Machine

Reported bugs

4 issues
  • Ads redirect to app store and prevent item rewards
  • Ad BGM continues playing after ad ends
  • Ad BGM persists even after restarting app
  • Agoda ads prevent continuing the game

Requested features

6 requests
  • Add Chinese translation
  • Add Vietnamese translation
  • Add Spanish translation
  • Option for one-time purchase to remove ads
  • More interactions with certain characters (e.g., training robot)
Show 1 more
  • Consider adding taxi or bakery characters in future works

In-app purchases

4 purchases

Liquid Cat Puzzle

One-time4
  • 100Gem$1.19
  • 1200Gem$5.99
  • 1600Gem$14.00
Show 1 more
  • 3000Gem$21.49
4 purchases

Flat Machine

One-time4
  • AD removal$2.99
  • Donation(S)$3.99
  • Donation(M)$14.99
Show 1 more
  • Donation(L)$34.99

Questions

Is Liquid Cat Puzzle free?
Liquid Cat Puzzle is free to download, with in-app purchases available.
Is Flat Machine free?
Flat Machine is free to download, with in-app purchases available.
Which has better reviews, Liquid Cat Puzzle or Flat Machine?
Liquid Cat Puzzle is rated higher. Liquid Cat Puzzle averages 5.0 out of 5 from 7 ratings, while Flat Machine averages 4.9 from 68 ratings.
Do Liquid Cat Puzzle or Flat Machine have ads?
Both Liquid Cat Puzzle and Flat Machine show ads.
Which is updated more often, Liquid Cat Puzzle or Flat Machine?
Liquid Cat Puzzle ships an update every 8 days, and Flat Machine every 5 days. Most recently, Liquid Cat Puzzle was updated on September 24, 2026 and Flat Machine on September 28, 2026.

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