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4 Fingers

Review · Arcade · Android · iOS

4 Fingers

Reviewed: 13 May 2026

Android · iOS

17Studio · 2017

Ludograph rating

C

Mixed

46 /100

Automated review

4 Fingers is an arcade game that enhances hand-eye coordination and fine motor skills, though it depicts a simulated knife game.

06010030Benefit →Low risk →B 31 · R 11
The Ludograph reading, plotted from the published benefit and risk sub-scores.

Growth (BDS)

31

Risk (RIS)

11

Daily limit

120min

Age guidance

13+

Developmental benefits

B1Cognitive
0.26
B2Social-emotional
0.10
B3Motor
0.75

4 Fingers primarily enhances motor skills, including hand-eye coordination, fine motor control, and reaction time. It also demands sustained attention and offers an adaptively challenging experience as the knife's speed and unpredictability increase. The game can also help develop emotional regulation due to the 'nerves of steel' required.

Design risks

R1Compulsion-loop pressure
0.23
R2Monetization
0.00
R3Social risk
0.00

The primary risk in 4 Fingers is the simulated violence of the knife game, which is explicitly warned against replicating in real life. While not overtly gory, the premise involves a dangerous activity. There are minimal compulsion-loop design risks, mainly related to the addictive nature of high-score chasing and near-miss thrills, but no explicit monetization or social risks.

Content (not in risk score)

R4.1Violence Level
0.67
R4.2Sexual Content
0.00
R4.3Language
0.00
R4.4Substance References
0.00
R4.5Fear / Horror
0.33

Content risk is displayed separately and does not affect the time recommendation.

Regulatory design checks · DSA — Assessed: meets criteria·GDPR-K — Assessed: meets criteria·ODDS — Assessed: meets criteria

  • DSA:What Ludograph checks: whether the game's design gives minors the transparency the EU Digital Services Act expects: plain terms, honest defaults, and clear reporting routes.: Estimated from review data. No dark pattern or child-targeting concerns found.
  • GDPR-K:What Ludograph checks: whether age assurance and consent flows are designed for under-16s, in the spirit of GDPR Article 8.: Estimated from review data. No privacy or child-targeting concerns found.
  • ODDS:What Ludograph checks: whether paid random-reward drop rates are disclosed, as required in China, Japan and South Korea.: Estimated from review data. No paid random-reward mechanics found, so drop-rate disclosure requirements do not apply.

These reflect Ludograph's assessment of the game's design practices against each framework's criteria, not a legal compliance determination.

ReviewedMay 2026Report a data error →How scores are calculated →

Parents ask…

Is 4 Fingers safe for kids?

Ludograph gives 4 Fingers a rating of 46/100, recommended for ages 13 and up. It delivers genuine benefits but carries design risks that deserve a close look.

What age is 4 Fingers appropriate for?

Ludograph's rubric recommends a minimum age of 13+ for 4 Fingers, based on benefits, risks, and content review. That is more lenient than ESRB M: industry ratings reflect content intensity, while ours also weighs how the game is designed to be played.

How long should kids play 4 Fingers?

Our session recommendation for 4 Fingers is up to 120 minutes per day. It is derived from the game's own structure (natural stopping points, compulsion-loop design, monetization pressure, and social dynamics), not from a universal screen-time dose.

Session recommendations are design-based heuristics. Evidence linking specific daily durations to child outcomes is limited, and context matters as much as time; treat this as a starting point for household rules, not a clinical threshold.

What are the main risks of 4 Fingers?

The primary risk in 4 Fingers is the simulated violence of the knife game, which is explicitly warned against replicating in real life. While not overtly gory, the premise involves a dangerous activity. There are minimal compulsion-loop design risks, mainly related to the addictive nature of high-score chasing and near-miss thrills, but no explicit monetization or social risks.