Review · Board Games · Android · iOS
World's Biggest Solitaire
Reviewed: 14 May 2026
Android · iOS
AppyNation · 2017
Ludograph rating
Growth (BDS)
19
Risk (RIS)
10
Daily limit
120min
Age guidance
10+
Developmental benefits
| B1 | Cognitive | 0.32 | |
| B2 | Social-emotional | 0.00 | |
| B3 | Motor | 0.15 | |
World's Biggest Solitaire can help develop problem-solving skills, strategic thinking, and memory attention through its card-based puzzles. The game also encourages learning transfer as players adapt to new challenge types and 'boost' cards. It offers a moderate level of adaptive challenge with unique objectives for each of its hundreds of levels.
Design risks
| R1 | Compulsion-loop pressure | 0.20 | |
| R2 | Monetization | 0.04 | |
| R3 | Social risk | 0.00 | |
The game incorporates some compulsion-loop design through variable rewards from quests, trophies, and achievements, as well as streak mechanics and notifications. It also presents some monetization pressure with optional paid items that allow players to unlock content more quickly. However, these risks are generally mild, and the game does not feature loot boxes, battle passes, or subscriptions, and has no stranger chat.
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.
Heads up
- Monthly spendTypical real-money spend by engaged players: $0 – $5/mo.
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.