Compare this game
Twenty Solitaire

Review · Card · iOS

Twenty Solitaire

Reviewed: 13 May 2026

iOS

Luigi Fonti · 2021

Ludograph rating

D

Caution

42 /100

06010030BenefitLow riskB 27 · R 3
The Ludograph reading, plotted from the published benefit and risk sub-scores.

Growth (BDS)

27

Risk (RIS)

3

Daily limit

120min

Age guidance

10+

Developmental benefits

B1Cognitive
0.40
B2Social-emotional
0.00
B3Motor
0.35

Twenty Solitaire helps develop problem-solving, strategic thinking, critical thinking, and memory skills. It can also improve hand-eye coordination and fine motor skills.

Design risks

R1Compulsion-loop pressure
0.07
R2Monetization
0.00
R3Social risk
0.00

This game presents minimal risks. There is a slight chance of infinite play due to the nature of solitaire, but the lack of other compulsion-loop design mechanics mitigates this risk.

Content (not in risk score)

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

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

Regulatory design checks · DSAAssessed: meets criteria·GDPR-KAssessed: meets criteria·ODDSAssessed: 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.

Parents ask…

Is Twenty Solitaire safe for kids?

Ludograph gives Twenty Solitaire a rating of 42/100. There are notable risks worth knowing before letting kids play.

How long should kids play Twenty Solitaire?

Our session recommendation for Twenty Solitaire 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 Twenty Solitaire?

This game presents minimal risks. There is a slight chance of infinite play due to the nature of solitaire, but the lack of other compulsion-loop design mechanics mitigates this risk.