
Review · Adventure · Android · iOS
Flutter: Butterfly Sanctuary
Reviewed: 31 May 2026
Android · iOS
Runaway · 2013
Ludograph rating
Growth (BDS)
42
Risk (RIS)
17
Daily limit
90min
Age guidance
10+
Developmental benefits
| B1 | Cognitive | 0.54 | |
| B2 | Social-emotional | 0.30 | |
| B3 | Motor | 0.30 | |
Flutter: Butterfly Sanctuary offers a calming and educational experience, allowing players to learn about real-life butterfly species and their life cycles. It promotes empathy through nurturing virtual creatures and encourages strategic thinking in designing their sanctuary. The game's gentle pace and beautiful aesthetics provide a relaxing escape.
Design risks
| R1 | Compulsion-loop pressure | 0.23 | |
| R2 | Monetization | 0.17 | |
| R3 | Social risk | 0.06 | |
While generally low-risk, the game incorporates monthly limited-time events which could create a sense of urgency or 'fear of missing out' (FOMO) for players. Its appeal to children, combined with potential notifications, could lead to frequent engagement prompts. However, the absence of monetization, social interaction, or violent content significantly mitigates overall risks.
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: concerns noted·GDPR-K — Assessed: concerns noted·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. Likely violations: monetisation that deliberately targets children.
- 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. Likely violations: profiling or targeting of children for marketing.
- 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.