Comparison

Machine Challenge vs Water Box

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

Head to head
About

Machine Challenge

Features
Read full description

Design your machine according to the obstacles and try to reach the finish!

About

Water Box

Explore realistic fluid dynamics and ragdoll physics in this sandbox playground. Sink ships, experiment with various liquids, and unleash destruction with a wide array of tools and elements. Build and test your creations in a detailed simulation environment.

Highlights
  • Realistic water and powder simulation
  • Ragdoll people playground experiments
  • Ship sinking and floating simulator
  • Gore and destruction simulator
  • Alchemy, fire, and chemical reactions
  • Build and share creations
Features
Read full description

Ragdoll playground meets a floating sandbox in this physics-based simulation! This water physics sandbox lets you experiment with realistic fluid behavior, sink ships by using bomb explosions, and enjoy a ragdoll people playground built to simulate destruction. Features: Water Simulation & Powder Sandboxel - Simulate liquids like lava, petrol, oil, nitro, viruses, fireworks, and more – each with unique behaviors. - Enjoy a beautiful underwater sandbox game with up to 200,000 water particles. Ragdoll People Playground - Discover the many unpredictable outcomes of ragdoll experiments! - Use virus liquids to infect them or make them go crazy with chemicals. - Realistic gore ragdoll playground: they can walk, drown, burn, or react to your experiments. Ship Sinking Simulator & Floating Sandbox - Build ships from scratch or choose from pre-built ones like cargo ships, submarines, and even the Titanic. - Test their strength against waves, bombs, storms, or tsunamis. - Watch ships float, sink, burn, or explode in realistic fashion. - The inbuilt ship sinking simulator is very sophisticated - Includes 50+ pre-built experiments and machines to explore. - Build and test your own ships, vehicles, titanic clones, tanks rockets and share them in the online workshop. - Construct using different materials like wood, rubber or stone. Gore & Destruction Simulator - Use explosives like nukes, grenades, and rockets to smash anything. - Unleash god-powers like airstrikes, tsunamis, or firestorms. - Choose among an arsenal of weapons to wreak havoc against your subjects! Alchemy, Fire & Physics Sandbox - Experiment with different elements - like lava with nitro, or fire with petrol and watch how they react with water, like freezing or evaporating - Realistic temperature, fire, and chemical reactions. - Set things on fire and watch it spread; extinguish it with water or freeze it into ice. - All materials react uniquely – from flammable boats to explosive ragdolls. - A deep and detailed destruction simulator game. - the game includes many cool firework effects. Now have fun and relax while playing in this underwater powder game: build complex boats, machines or simulate chain reactions in this sandboxel. Players say this game has everything you would expect from an mobile algodoo alternative. Have ideas or issues? Send me an email! Note: A strong phone is recommended for the best experience. Download the sandbox game now, build something wild, and let the chaos begin! By Gaming-Apps.com (2025)

Screenshots

Machine Challenge4 screens
Water Box4 screens

Verdict

The call

The clearest difference is in-app purchases: Machine Challenge at none against Water Box's 5. Machine Challenge also leads on iOS requirement (11.0 vs 15.6). On price, update cadence, ads and device support 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. Water Box sells 5 one-off in-app purchases. Machine Challenge asks for nothing beyond the download.

UpkeepUpdate frequency

Machine Challenge ships an update every 10 days, Water Box every 9 days. The most recent releases landed on September 9, 2026 and September 24, 2026 respectively.

Scorecard2 real differences · 8 level
Machine Challenge versus Water Box: the parameters behind the verdict, then further details
ParameterMachine ChallengeWater Box
PriceFreeFree
Rating—4.8 (1.6K ratings) — better
Positive reviews—92.8% of reviews
Number of ratings—1.6K — better
Update frequencyEvery 10 daysEvery 9 days — better
AdsYesYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.6
Further details — not scored
Size95 MB101 MB
Age rating4+9+
DeveloperHuseyin GulgenLukas Oertel

Bugs and requests

Machine Challenge

Not enough reviews yet to summarise bugs or requests.

Water Box

Reported bugs

1 issue
  • Crashes frequently

Requested features

1 request
  • Make ships sink like in Floating Sandbox

In-app purchases

None

Machine Challenge

No in-app purchases

5 purchases

Water Box

One-time5
  • Increase max water by 10000$2.99
  • Creative Package 50% Discount$4.99
  • Increase max water by 20000$4.99
Show 2 more
  • Creative Package$9.99
  • Increase max water by 50000$9.99

Questions

Is Machine Challenge free?
Machine Challenge is free to download, with no in-app purchases.
Is Water Box free?
Water Box is free to download, with in-app purchases available.
Do Machine Challenge or Water Box have ads?
Both Machine Challenge and Water Box show ads.
Which is updated more often, Machine Challenge or Water Box?
Machine Challenge ships an update every 10 days, and Water Box every 9 days. Most recently, Machine Challenge was updated on September 9, 2026 and Water Box on September 24, 2026.

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