Review · Action · Web
CIRC MATH MINUS
Reviewed: 10 May 2026
Web
infratoy · 2019
Ludograph rating
D
Caution
44 /100
CIRC MATH MINUS is a puzzle game that develops math skills and problem solving through quick mental subtraction challenges.
Growth (BDS)
28
Risk (RIS)
0
Daily limit
120min
Age guidance
–
Developmental benefits
| B1 | Cognitive | 0.34 | |
| B2 | Social-emotional | 0.00 | |
| B3 | Motor | 0.55 | |
Circ Math Minus is a simple, engaging puzzle game that primarily benefits math systems and memory/attention through quick mental subtraction challenges. Its adaptive difficulty can also foster learning transfer as players improve their arithmetic skills.
Design risks
| R1 | Compulsion-loop pressure | 0.00 | |
| R2 | Monetization | 0.00 | |
| R3 | Social risk | 0.00 | |
This game presents minimal risks. It lacks social interaction and monetization strategies that could lead to problematic engagement patterns. The content is benign.
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: 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.