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Midnight Study is a roguelike deck-building horror game where four high school girls fight to reclaim a school overrun by vengeful spirits. Play as Haneul, an archery ace descended from shamans, and battle ghosts from Korean school ghost stories and folklore to escape the endless night.
PC (Microsoft Windows) · Nov 14, 2025
Worldwide · Exact date · Early access · IGDB
Catalog sources
59 achievements available.

Bounce a projectile more than 10 times
LockedSteam

Defeat an enemy while under Confusion.
LockedSteam

Achieve over 100% Critical Chance
LockedSteam

Deal 30 or more damage at once
LockedSteam

Deal 1 damage
LockedSteam

Defeat an enemy by dealing damage equal to their HP
LockedSteam

First Death
LockedSteam

Defeat the boss without taking damage
LockedSteam

Die during a Mystery Event
LockedSteam

Trigger Explosion 5 times in a single turn
LockedSteam

Defeat the boss with only 1 HP remaining
LockedSteam

Poison 30 or more inflicted
LockedSteam

Hold 50 or more Protections
LockedSteam

Defeat an enemy by attacking directly
LockedSteam

Trigger Split at least 5 times in a single turn.
LockedSteam

Possess a strength of 15 or higher
LockedSteam

Hold 20 or more talismans in the fog
LockedSteam

Obtain all Talismans in the Fog without leaving any behind
LockedSteam

Using 11 or more talismans in a single turn
LockedSteam

Summon 3 Dokkaebi Fires
LockedSteam

Increase a Dokkaebi Fire’s Attack by 10 or more
LockedSteam

Stun Eodukshini
LockedSteam

Stun Geogug Gwi
LockedSteam

Witness another form of the Yohai Ipsugeoin
LockedSteam

Killed by Human Form Gildal
LockedSteam

In the battle with Jangsanbeom, collect at least 5 Charms while under Confusion.
LockedSteam

Defeat the Jihaguk Daejeok in 10 turns or less
LockedSteam

Defeat Eodukshini
LockedSteam

Defeat Geochinyeo
LockedSteam

Defeat Geogug Gwi
LockedSteam

Defeat the Yohai Ipsugeoin
LockedSteam

Defeat Gildal
LockedSteam

Defeat Jangsanbeom
LockedSteam

Defeat the Jihaguk Daejeok
LockedSteam

Defeat the Nine-Tailed Fox
LockedSteam

Defeat the Dueokshini
LockedSteam

Clear ACT 1 within 15 minutes.
LockedSteam

Clear with Arin
LockedSteam

Clear the game with all Charms upgraded.
LockedSteam

Clear with Haneul
LockedSteam

Clear the game with a deck of 45 or more cards.
LockedSteam

Clear the game with a deck of 15 cards or fewer.
LockedSteam

Clear the game with only the starting Relic.
LockedSteam

Clear the game with at least 9 Relics.
LockedSteam

Clear with Sumi
LockedSteam

Defeat Datbal while its Strength has not increased.
LockedSteam

Remove Duduri Stems 5 times in a single battle.
LockedSteam

Die from Bleed Damage
LockedSteam

Be robbed by Geum Dwaeji until your gold reaches 0.
LockedSteam

Be sealed of 10 or more Charms in a single battle.
LockedSteam

Hit 5 or fewer Diseased Hearts and defeat Jeseng Yoma.
LockedSteam

Nati's Strength increases by at least 5.
LockedSteam

Clear Abyss Stage 10
LockedSteam

Clear Abyss Stage 15
LockedSteam

Clear Abyss Stage 20
LockedSteam

Clear Abyss Stage 5
LockedSteam

Sell out every item in the visited Cafeteria.
LockedSteam

Enhance 3 Charms in a single visit to Seonangdang.
LockedSteam

Restore 70 or more HP in a single visit to the Infirmary.
LockedSteam
Community notes