
Review · Casual · PC · Android
Rainbow
Reviewed: 10 Jun 2026
PC · Android
TCHOW · 2023
Ludograph rating
Growth (BDS)
32
Risk (RIS)
18
Daily limit
90min
Age guidance
–
Developmental benefits
| B1 | Cognitive | 0.58 | |
| B2 | Social-emotional | 0.07 | |
| B3 | Motor | 0.05 | |
Rainbow offers significant cognitive benefits through its core puzzle-solving and critical thinking mechanics. Players will engage their problem-solving skills, spatial awareness, strategic thinking, and memory as they navigate the monochrome world and uncover its secrets. The game also encourages learning transfer as players apply discovered knowledge to new challenges.
Design risks
| R1 | Compulsion-loop pressure | 0.33 | |
| R2 | Monetization | 0.08 | |
| R3 | Social risk | 0.00 | |
The game's unique 'only once save' mechanic introduces significant compulsion-loop design risks, including high loss aversion, strong stopping barriers, and escalating commitment. This design choice can create intense pressure and potential frustration, as all progress is lost upon failure or exiting the game. Additionally, the presence of microtransactions, though not detailed, introduces potential monetization pressure.
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 — Not yet assessed·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.
- 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.