Lethal Dungeon
Released Feb 2026
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.
96% positive · 286 reviews
Done
All announced content has been released
Medium confidence
Done
All announced content has been released
Medium confidence
Where to buy
Steam $4.99
Can't confirm — worth a look
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Evaluation
Lethal Dungeon launched on February 19, 2026 as a complete roguelike card game. Since release, the developer has issued several maintenance and polish updates: bug fixes on February 21, March 1, March 29, and June 4, 2026, plus two feature patches on February 25 (V1.0.8, adding UI improvements and collection tracking) and March 12 (Ver. 1.1.0, which added new relics, a treasure gallery feature, and balance changes). The most recent developer communication was the June 4, 2026 bug fix. The developer has not announced any future DLC, expansions, or planned content beyond what has already shipped. With no unreleased DLC on the store, no roadmap, and no developer statement indicating further content is coming, the game appears to have launched as a finished product and has since received standard post-launch polish. The previously noted uncertainty about the game's content trajectory has now resolved: the game is now outside the recently-launched window, and the post-launch update history shows maintenance work rather than a developing content cycle.
Evidence
Lethal Dungeon launched on February 20, 2026 with a 10% launch discount.
Ver. 1.1.0 added new relics, a treasure gallery feature, balance adjustments, and bug fixes — the only post-launch update with meaningful new content.
Media
Details
Developer
Publisher
Nihohe Soft
Achievements
6
Platform
Windows
Controller
—
Steam Deck
Playable
Players
Single-player
About this game
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!
Last evaluated Aug 20, 2026
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