Lethal Dungeon
Lethal Dungeon is a roguelike card game. Win every battle using only the cards in your opening hand to defeat all enemies in a single turn. Using as few cards as possible will earn you more rewards, and if you…
Lethal Dungeon is an indie developed by Nihohe Soft, released 20 February 2026 on PC (Microsoft Windows).
What Lethal Dungeon is
Lethal Dungeon is an indie game developed by Nihohe Soft and released in 2026. It is available on PC (Microsoft Windows) only. It runs on Unity.
The premise, in the publisher's words
Lethal Dungeon is a roguelike card game. Win every battle using only the cards in your opening hand to defeat all enemies in a single turn. Using as few cards as possible will earn you more rewards, and if you get stuck on an enemy, you can use money to shuffle and draw. Upgrade your deck using the money you earn! Defeat stronger enemies to earn more money! Repeat this process until you clear the dungeon!
How it plays
It is played from a side view perspective. Its themes are fantasy. It is a single-player game with no multiplayer component.
What it launched against
Lethal Dungeon launched on 20 February 2026, within three weeks of Resident Evil Requiem, Reanimal, Marathon and Mewgenics.
Released around the same time: Resident Evil Requiem, Reanimal, Marathon, Mewgenics.
Official trailer
Sourced from the publisher’s YouTube channel.
Screenshots
All media
Quick answers
Lethal Dungeon — frequently asked questions
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