Review · Card · iOS
Cards Up! Merge Puzzle
Reviewed: 15 May 2026
iOS
Mousetrap Games · 2021
Ludograph rating
Growth (BDS)
26
Risk (RIS)
5
Daily limit
120min
Age guidance
10+
Developmental benefits
| B1 | Cognitive | 0.48 | |
| B2 | Social-emotional | 0.00 | |
| B3 | Motor | 0.10 | |
Cards Up! Merge Puzzle offers engaging cognitive challenges through its core merging mechanic, requiring players to strategize card placement and plan for optimal combinations. The game fosters problem-solving, spatial awareness, and critical thinking as players work to achieve higher scores and complete quests. Its adaptive challenge system encourages continuous learning and improvement, while the customization options add a touch of creative expression.
Design risks
| R1 | Compulsion-loop pressure | 0.10 | |
| R2 | Monetization | 0.00 | |
| R3 | Social risk | 0.00 | |
While generally low-risk, 'Cards Up! Merge Puzzle' features elements of variable rewards through unlocking card styles and completing quests, which can encourage prolonged engagement. Its 'endless fun' design means there are few natural stopping points, potentially leading to extended play sessions.
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.