
Review · Adventure · PC · PlayStation 4 · Xbox One
Rainbow Billy: The Curse of the Leviathan
By the LumiKin editors
Reviewed: 18 May 2026
PC · PlayStation 4 · Xbox One · Nintendo Switch
ManaVoid Entertainment · 2021
LumiScore
66/100
Good
Growth (BDS)
49
Risk (RIS)
0
Daily limit
120min
Age guidance
E
Developmental benefits
| B1 | Cognitive | 0.64 | |
| B2 | Social-emotional | 0.33 | |
| B3 | Motor | 0.35 | |
Rainbow Billy: The Curse of the Leviathan offers significant cognitive benefits through its intricate color puzzles, strategic team-building, and exploration. Players will engage their problem-solving, critical thinking, and strategic planning skills. The game also fosters social-emotional development by encouraging empathy through befriending creatures and promoting positive social themes of friendship. Motor skills, particularly hand-eye coordination and reaction time, are moderately engaged through its platforming and combat elements.
Design risks
| R1 | Dopamine pressure | 0.00 | |
| R2 | Monetization | 0.00 | |
| R3 | Social risk | 0.00 | |
This game presents very low risks across all categories. There are no dopamine manipulation mechanics, monetization pressures, or social interaction risks such as stranger chat or competitive toxicity. Content risks are minimal, with only mild cartoon violence appropriate for its E-rating.
Heads up
- Monthly spendTypical real-money spend by engaged players: $0–0/mo.