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H2O

Review · Action · PC · iOS

H2O

Reviewed: 25 May 2026

PC · iOS

Webfoot Technologies · 1996

Ludograph rating

C

Mixed

56 /100

06010030BenefitLow riskB 39 · R 0
The Ludograph reading, plotted from the published benefit and risk sub-scores.

Growth (BDS)

39

Risk (RIS)

0

Daily limit

120min

Age guidance

Developmental benefits

B1Cognitive
0.60
B2Social-emotional
0.00
B3Motor
0.45

H2O is an engaging puzzle-action game that encourages players to think creatively and strategically. By transforming between water, steam, and ice, players develop problem-solving skills, spatial awareness, and critical thinking as they navigate diverse environments and overcome obstacles. Its mission-based structure provides clear goals and a sense of accomplishment.

Design risks

R1Compulsion-loop pressure
0.00
R2Monetization
0.00
R3Social risk
0.00

H2O presents minimal risks. It contains no in-app purchases, advertisements, or social features that could lead to compulsion-loop design, monetization pressure, or social risks. The content is family-friendly with no violence, sexual themes, or inappropriate language.

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 H2O safe for kids?

Ludograph gives H2O a rating of 56/100. It delivers genuine benefits but carries design risks that deserve a close look.

How long should kids play H2O?

Our session recommendation for H2O 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 H2O?

H2O presents minimal risks. It contains no in-app purchases, advertisements, or social features that could lead to compulsion-loop design, monetization pressure, or social risks. The content is family-friendly with no violence, sexual themes, or inappropriate language.