Screenshots
About this game
Unscrew Frenzy 3D: Bolt Master is a physics-based puzzle game where players unscrew bolts to solve intricate contraptions. Its simple, satisfying mechanics and one-handed play make it ideal for quick, casual sessions. The game offers endless replayability through its varied puzzle designs.
What players say
Themes from 200 recent Google Play reviews, analysed 28 Aug 2026
Praised
Fun & addictive62Ads not intrusive36
Complained about
Too many ads16Difficulty13
Worth knowing. We tag this as fair freemium, but 0 of 200 recent reviewers disagreed and in-app purchases run to $99.99. Worth a look before you commit.
Why we tagged it this way
What each behavioural tag is based on
- Short sessionsRuns are self-contained, so stopping early costs you nothing.
- InterruptiblePut it down mid-session and pick it up cold.
- One-handedPlayable with a thumb, in portrait.
- Needs a connectionOnline-only, so no play on a flight.
- No energy timersNothing caps how long you can play.
- Sound optionalNo audio cue carries information — fine on mute.
- Low focusPlayable while half-distracted.
Commute
Short, interruptible sessions
Flight
Needs a connection
In bed
Works muted, one-handed
With friends
Solo only, no multiplayer
What it costs
| Download | Free |
| In-app purchases | $0.99 - $99.99 |
| Ads | Yes |
| Energy timers | None |
From the Google Play listing.
Tags
ReplayabilityHigh
StoryNo Story
SocialSolo
DifficultyNormal
GrindHigh
Brain PowerMindless
Story depthNone
PriceFreemium-Fair
PauseableHigh
VibeMindless
OrientationLikely-Portrait
RatingEveryone
DeviceStandard
Has ending?Endless
MultiplayerSolo-Only
GenrePuzzle Physics
👍 One-handed🔇 Mute-friendly⚡ No energy timers👶 Parent-friendly
