LumiKin

Review · Educational · Nintendo 3DS

Greco Kara no Chousenjou! Keisan no Yakata to Obake-Tachi: Wari-San

By the LumiKin editors

Reviewed: 01 Jun 2026

Nintendo 3DS

Media5 · 2013

LumiScore

41/100

Caution

Growth (BDS)

26

Risk (RIS)

2

Daily limit

120min

Age guidance

—

Developmental benefits

B1Cognitive
0.48
B2Social-emotional
0.00
B3Motor
0.10

This educational game helps children develop strong math skills, particularly in division, through engaging problem-solving challenges. It fosters critical thinking, memory, and attention, essential for academic success.

Design risks

R1Dopamine pressure
0.03
R2Monetization
0.00
R3Social risk
0.00

This game presents minimal risks. While it may not offer extensive social or motor skill development, it avoids manipulative design, monetization pressures, and harmful content.

Heads up

  • Monthly spendTypical real-money spend by engaged players: $0–0/mo.
ReviewedJun 2026How scores are calculated →

Parents ask…

Is Greco Kara no Chousenjou! Keisan no Yakata to Obake-Tachi: Wari-San safe for kids?

LumiKin gives Greco Kara no Chousenjou! Keisan no Yakata to Obake-Tachi: Wari-San a LumiScore of 41/100. There are notable risks worth knowing before letting kids play.

How long should kids play Greco Kara no Chousenjou! Keisan no Yakata to Obake-Tachi: Wari-San?

LumiKin's recommended play time for Greco Kara no Chousenjou! Keisan no Yakata to Obake-Tachi: Wari-San is Up to 2 hours/day, calibrated to the game's dopamine, monetization, and social-pressure profile.

What are the main risks of Greco Kara no Chousenjou! Keisan no Yakata to Obake-Tachi: Wari-San?

This game presents minimal risks. While it may not offer extensive social or motor skill development, it avoids manipulative design, monetization pressures, and harmful content.