
Review · Adventure · iOS
Puzzle & Blocks
Reviewed: 01 Jun 2026
iOS
Lemon Jam Technology Co · 2017
Ludograph rating
Growth (BDS)
34
Risk (RIS)
0
Daily limit
120min
Age guidance
10+
Developmental benefits
| B1 | Cognitive | 0.56 | |
| B2 | Social-emotional | 0.00 | |
| B3 | Motor | 0.30 | |
Puzzle & Blocks offers a relaxing and mentally stimulating experience. Its minimalistic design, free from timers and energy systems, encourages contemplative problem-solving and spatial reasoning. The game's increasing difficulty provides an adaptive challenge, fostering learning and transfer of skills in a calm environment.
Design risks
| R1 | Compulsion-loop pressure | 0.00 | |
| R2 | Monetization | 0.00 | |
| R3 | Social risk | 0.00 | |
This game presents extremely low risks. It contains no manipulative compulsion-loop mechanics, no monetization pressures, no social interaction risks, and no concerning content. Players can enjoy the game without fear of exploitative design or exposure to inappropriate material.
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.