LumiKin
Yuurei Project

Review · Platformer · PC

Yuurei Project

By the LumiKin editors

Reviewed: 01 May 2026

PC

yoppe · 2020

LumiScore

68/100

Good

Yuurei Project is a cooperative platformer that builds teamwork and problem solving by requiring players to sacrifice mobility to assist a partner.

Growth (BDS)

54

Risk (RIS)

7

Daily limit

120min

Age guidance

7+

Developmental benefits

B1Cognitive
0.46
B2Social-emotional
0.70
B3Motor
0.50

Yuurei Project is a genuinely cooperative local co-op platformer built around a clever asymmetric mechanic: players can sacrifice their own mobility to become a living platform for their partner. This design demands constant real-time communication, mutual coordination, and spatial problem-solving, making it an excellent exercise in teamwork and critical thinking. Because neither player can succeed alone, the game fosters healthy interdependence and empathy — children must pay attention to a partner's position and needs at all times. The platforming itself develops hand-eye coordination, reaction time, and fine motor precision, while the level-by-level progression encourages learning transfer as players apply strategies discovered in earlier stages to new challenges.

Design risks

R1Dopamine pressure
0.13
R2Monetization
0.00
R3Social risk
0.06

As a student-made prototype, Yuurei Project carries virtually no monetization risk, no manipulative dopamine hooks, and no stranger-interaction risk. The game's time limit creates mild pressure that could briefly frustrate younger or less experienced players, and the co-op structure means one player's performance directly affects the other, which could occasionally spark interpersonal friction between siblings or friends. The castle setting introduces a very mild spooky atmosphere, but nothing approaching distressing content. Overall, the risk profile is exceptionally low.

Heads up

  • Monthly spendTypical real-money spend by engaged players: $0–0/mo.

Parents ask…

Is Yuurei Project safe for kids?

LumiKin gives Yuurei Project a LumiScore of 68/100, recommended for ages 7 and up. It offers solid benefits but needs parental guidance on the risks.

What age is Yuurei Project appropriate for?

LumiKin's rubric recommends a minimum age of 7+ for Yuurei Project, based on benefits, risks, and content review.

How long should kids play Yuurei Project?

LumiKin's recommended play time for Yuurei Project is Up to 2 hours/day, calibrated to the game's dopamine, monetization, and social-pressure profile.

What are the main risks of Yuurei Project?

As a student-made prototype, Yuurei Project carries virtually no monetization risk, no manipulative dopamine hooks, and no stranger-interaction risk. The game's time limit creates mild pressure that could briefly frustrate younger or less experienced players, and the co-op structure means one player's performance directly affects the other, which could occasionally spark interpersonal friction bet