Review · Card · Android
98 Cards
Reviewed: 15 May 2026
Android
2017
Ludograph rating
Growth (BDS)
29
Risk (RIS)
10
Daily limit
120min
Age guidance
–
Developmental benefits
| B1 | Cognitive | 0.52 | |
| B2 | Social-emotional | 0.03 | |
| B3 | Motor | 0.10 | |
98 Cards offers a compelling single-player puzzle experience that significantly engages problem-solving, strategic thinking, and critical thinking skills. Players must carefully plan card placements and utilize the 'difference of 10' rule to maximize their score, providing a satisfying intellectual challenge. It also provides mild cognitive benefits in memory and attention.
Design risks
| R1 | Compulsion-loop pressure | 0.10 | |
| R2 | Monetization | 0.00 | |
| R3 | Social risk | 0.22 | |
While generally low risk, the game's leaderboard integration could introduce mild social comparison and competitive toxicity. The 'near miss' mechanic and variable rewards from leaderboards might subtly encourage extended play, though the game has clear natural stopping points.
Content (not in risk score)
| R4.1 | Violence Level | 0.00 | |
| R4.2 | Sexual Content | 0.00 | |
| R4.3 | Language | 0.00 | |
| R4.4 | Substance References | 0.00 | |
| R4.5 | Fear / Horror | 0.00 | |
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.