
Dive into a World Where Sorrow Meets Beauty
Revenue comes from in-game items and microtransactions, which our price-based model doesn't estimate. The player count below is how many people own it, not what they spent.
About
“All roads lead to our ‘Goodbye.’”
Boasting an epic soundtrack that can turn the world of gaming on its head, and some of the most stunning designs ever seen in a game, Bank of Innovation’s newest title, MementoMori, is finally here!
Songs performed by many renowned artists enhance the rich world of MementoMori.
*We recommend playing while wearing earphones or headphones.
◆ STORY:
A tale of “justice” woven by girls whose fragile hearts verge on shattering...
There are girls who many call “witches.”
Although they themselves are ordinary, they can wield slightly extraordinary powers.
However, when calamity spreads throughout the land, witches begin to be feared and detested.
Before long, the Church of Longinus commenced what would be known as “The Witch Hunt.”
“Witches are to blame for this calamity. If we kill them, then the calamity will vanish along with them!”
Witches are executed one by one.
But one day, as madness seizes control of the world, it is suddenly overrun by “Curses.”
A country incinerated by hellfire. A kingdom consumed by crystals. An empire purged by the Tree of Life.
Such are the woeful desires of those who are called “Witches of Qlipha.”
Without any means to defend themselves, nation after nation falls into ruin, until finally—
The fractured land is sent adrift high into the sky.
Meanwhile, the people have yet to take notice.
From within these girls cursed to be witches, there emanates glimmers of hope.
In order to save their decimated world, these girls set forth liberating the land from darkness.
For they believe that it is the right thing to do...
◆ GAME:
・Play utilizing both easy-to-use full auto-battles and high-level strategy!
・Behold stunning action-packed battles animated using Live2D!
・Harness the “Idle System” to gradually get stronger as the girls fight even while you’re away!
・Unlock tons of content as you advance the story!
・Discover infinite strategic possibilities by combining your wit with the girls’ magical powers!
・Enhance gear to precisely influence how the girls grow stronger!
・Communicate with your friends as you form the most powerful guild in the land!
◆ SOUND:
The girls of MementoMori are burdened with cruel pasts and inevitable fates.
・Cry to “Laments,” which sing each girl’s emotions to life.
・Play accompanied with a high-quality soundtrack not bound to the limits of game music.
The diversity of high-quality musical compositions heavily intertwines with the perilous world of MementoMori, providing a new and exciting gaming experience.
◆ CV/SONG:
Illya (CV Kana Hanazawa) (Song by Daoko)
Iris (CV Inori Minase) (Song by Hakubi)
Rosalie (CV Sumire Uesaka) (Song by Sayaka Yamamoto)
Soltina (CV Yoshino Nanjo) (Song by Koresawa)
Amleth (CV Atsumi Tanezaki) (Song by Atarayo)
Fenrir (CV Minami Takahashi) (Song by Kano)
Freesia (CV Yui Horie) (Song by Sonoko Inoue)
Belle (CV Yuu Asakawa) (Song by 96NEKO)
Luke (CV Ami Koshimizu) (Song by Ayaka Hirahara)
Carol (CV Hina Tachibana) (Song by kurokumo)
...and many more!
*The above is the Japanese cast for the game.
Voices can be changed from English to Japanese in the game’s settings.
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Genres
Stats
Languages: English*, Traditional Chinese, Japanese*, Korean, Simplified Chinese*languages with full audio support
Engagement
Reviews
Themes across 73 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
Reviews
Really great, very beautiful, casual and fun
非常非常非常好看的画风,赞赞赞
Peak. Been playing since late 2022 to early 2023 and it hits every aspect. The story, music, even the events. Love the game, man.
Media

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Price dynamics, follower growth, revenue and sales trajectories with interactive tooltips
This and every other Pro feature is free until October 20, 2026. A free account is all it takes.
Hours played at review time, across 74 reviews with recorded playtime.
positive critical· bar length = how often the theme comes up
音樂非常好聽
如果您的生活过于顺利,且有着大把大把的钞票可供挥霍的话,请试试这款游戏吧
很喜歡美術,音樂也很棒,聲優也不錯 你説游戲性,什麽游戲性,不知道啊w
The art style, music, and overall atmosphere in this game are honestly amazing and give it a really unique emotional vibe compared to most gacha RPGs. The gameplay is pretty simple and idle-focused, but if you enjoy relaxing progression games with great character presentation and soundtrack, it’s easy to get into for casual sessions.
n_n
Beyond terrible connection issues with european server.
Active players
Estimated daily and monthly active players (DAU/MAU) modeled from peak concurrency.
Players by region
Where this game's players are, estimated from review languages.
Players also reviewed
The games this title's players most often review too — audience affinity.
Related
| Game | Estimated lifetime revenue | Reviews | Review score | Price |
|---|---|---|---|---|
| $0 | 11 | 82% | Free | |
| — | 0 | — | — | |
| $767.5K | 607 | 99% | $24.49 | |
| $464K | 1.3K | 93% | $19.99 | |
| $38.8K | 429 | 69% | $4.99 | |
| $6K | 70 | 89% | $3.99 |