Review · Card · macOS
BlackJack (21)
Reviewed: 14 May 2026
macOS
Ligature Technologies · 2014
Ludograph rating
Growth (BDS)
23
Risk (RIS)
18
Daily limit
–
Age guidance
17+
Developmental benefits
| B1 | Cognitive | 0.40 | |
| B2 | Social-emotional | 0.00 | |
| B3 | Motor | 0.15 | |
Blackjack (21) offers opportunities to develop strategic thinking, critical thinking, problem-solving, and memory recall through its core card game mechanics. Players must quickly assess probabilities and make decisions based on their hand and the dealer's up-card, which can subtly enhance mathematical reasoning and adaptive challenge. The game can also serve as a learning transfer tool for understanding basic gambling concepts in a risk-free environment.
Design risks
| R1 | Compulsion-loop pressure | 0.40 | |
| R2 | Monetization | 0.00 | |
| R3 | Social risk | 0.00 | |
The primary risks associated with Blackjack (21) stem from its inherent gambling nature, which can introduce elements of compulsion-loop design. The variable rewards of winning hands, near misses, and the potential for infinite play can foster escalating commitment and reinforce a desire to continue playing. While it doesn't involve real money in this version, the simulation of betting could potentially normalize gambling behaviors. The mention of 'casino trip' in the description subtly promotes gambling culture. There are no social or content risks to note beyond a mild substance reference due to the casino theme.
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 | 0.33 | |
| R4.5 | Fear / Horror | 0.00 | |
| R4.6 | Simulated Gambling | 1.00 | |
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.