LumiKin
Nonagon Infinity & The Opening of the Door

Review · Platformer · PC

Nonagon Infinity & The Opening of the Door

By the LumiKin editors

Reviewed: 01 May 2026

PC

Milkbar Lads · 2018

LumiScore

46/100

Caution

Nonagon Infinity & The Opening of the Door is a platformer that builds problem solving and spatial awareness, but its looping music might encourage prolonged play.

Growth (BDS)

30

Risk (RIS)

5

Daily limit

120min

Age guidance

7+

Developmental benefits

B1Cognitive
0.42
B2Social-emotional
0.00
B3Motor
0.45

This game offers a unique and diverse cognitive experience through its multi-genre level design, encouraging problem-solving, spatial awareness, and creative thinking. The adaptive challenge of shifting game mechanics and the requirement for memory and attention to detail provide a stimulating environment for players.

Design risks

R1Dopamine pressure
0.10
R2Monetization
0.00
R3Social risk
0.00

The primary risk identified is the potential for infinite play due to the looping nature of the album's music, which could encourage prolonged engagement. The flashing elements in the game could also be a risk for sensitive individuals. There is minimal social or emotional development and low violence.

Heads up

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

Parents ask…

Is Nonagon Infinity & The Opening of the Door safe for kids?

LumiKin gives Nonagon Infinity & The Opening of the Door a LumiScore of 46/100, recommended for ages 7 and up. There are notable risks worth knowing before letting kids play.

What age is Nonagon Infinity & The Opening of the Door appropriate for?

LumiKin's rubric recommends a minimum age of 7+ for Nonagon Infinity & The Opening of the Door, based on benefits, risks, and content review.

How long should kids play Nonagon Infinity & The Opening of the Door?

LumiKin's recommended play time for Nonagon Infinity & The Opening of the Door is Up to 120 min/day, calibrated to the game's dopamine, monetization, and social-pressure profile.

What are the main risks of Nonagon Infinity & The Opening of the Door?

The primary risk identified is the potential for infinite play due to the looping nature of the album's music, which could encourage prolonged engagement. The flashing elements in the game could also be a risk for sensitive individuals. There is minimal social or emotional development and low violence.