Review · Platformer · Web
DR. NINJO - Virus Killer
Reviewed: 01 May 2026
Web
DR. NINJO · 2020
Ludograph rating
D
Caution
36 /100
DR. NINJO - Virus Killer is a platformer that builds problem-solving, spatial awareness, and memory through straightforward challenges.
Growth (BDS)
22
Risk (RIS)
0
Daily limit
120min
Age guidance
7+
Developmental benefits
| B1 | Cognitive | 0.26 | |
| B2 | Social-emotional | 0.00 | |
| B3 | Motor | 0.45 | |
DR. NINJO - Virus Killer is a simple platformer that offers basic cognitive benefits such as problem-solving, spatial awareness, hand-eye coordination, fine motor skills, and reaction time. Its straightforward gameplay of collecting items and defeating abstract 'viruses' provides a light, engaging experience without complex mechanics or narratives.
Design risks
| R1 | Compulsion-loop pressure | 0.00 | |
| R2 | Monetization | 0.00 | |
| R3 | Social risk | 0.00 | |
This game presents minimal risks. It lacks any manipulative compulsion-loop mechanics, monetization pressures, or social risks. The content risk is very low, limited to cartoonish violence against abstract 'viruses'.
Content (not in risk score)
| R4.1 | Violence Level | 0.33 | |
| 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: 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.