
Review · Arcade · iOS
Number Puzzle Challenge
Reviewed: 06 May 2026
iOS
BUI THI THUY DUNG · 2017
Ludograph rating
C
Mixed
52 /100
Number Puzzle Challenge is a classic puzzle game that enhances problem solving and strategic thinking without notable risks.
Growth (BDS)
35
Risk (RIS)
0
Daily limit
120min
Age guidance
10+
Developmental benefits
| B1 | Cognitive | 0.64 | |
| B2 | Social-emotional | 0.03 | |
| B3 | Motor | 0.10 | |
Number Puzzle Challenge (Sudoku) is a classic logic game that significantly enhances cognitive skills such as problem-solving, strategic thinking, critical thinking, and memory. It provides a focused mental workout, improving attention and logical deduction abilities in a calm, engaging format.
Design risks
| R1 | Compulsion-loop pressure | 0.00 | |
| R2 | Monetization | 0.00 | |
| R3 | Social risk | 0.00 | |
As a single-player puzzle game with no monetization, social features, or mature content, Number Puzzle Challenge presents virtually no risks related to compulsion-loop design, financial pressure, social interaction, or inappropriate content. Its primary 'risk' is the potential for frustration with challenging puzzles, which can be managed by taking breaks.
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.