
Review · Casual · PS Vita · PC
Mahjong World Contest
Reviewed: 17 May 2026
PS Vita · PC
8Floor · 2014
Ludograph rating
Growth (BDS)
35
Risk (RIS)
7
Daily limit
120min
Age guidance
10+
Developmental benefits
| B1 | Cognitive | 0.56 | |
| B2 | Social-emotional | 0.03 | |
| B3 | Motor | 0.30 | |
Mahjong World Contest offers a relaxing and engaging puzzle experience that significantly develops cognitive skills such as problem-solving, strategic thinking, and critical thinking. Players will also enhance their hand-eye coordination and fine motor skills through tile manipulation. The game provides a structured progression system with 120 unique levels and a ranking hierarchy, offering a sense of achievement and continuous challenge.
Design risks
| R1 | Compulsion-loop pressure | 0.10 | |
| R2 | Monetization | 0.00 | |
| R3 | Social risk | 0.11 | |
While generally low-risk, the competitive aspect of the 'contest' and ranking system could subtly encourage social comparison. The game's progression mechanics, though not manipulative, do provide mild dopamine triggers through points and trophies. There is minimal content risk with very mild language, consistent with its E10+ rating.
Content (not in risk score)
| R4.1 | Violence Level | 0.00 | |
| R4.2 | Sexual Content | 0.00 | |
| R4.3 | Language | 0.33 | |
| 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.