Mystery Box - A Relaxing Clicker & Idle Game is a calming tapping game where you open a mysterious box and uncover hidden memories inside.

Tap repeatedly to open the box and reveal nostalgic moments one by one.
As you progress, you'll uncover memories filled with warmth—like a summer evening long forgotten.

The soothing background music gently wraps you in calm, making it perfect for relaxing after a long day or before bedtime.

BGM
ローファイ少女は今日も寝不足 - しゃろう
Chill night,fall a sleep - 蒲鉾さちこ
Photo_Frame - もっぴーさうんど

SE・環境音
効果音ラボ
VSQ plus+