NEW ON STEAM
1 HP DUNGEON
At a glance
1 HP DUNGEON game facts
Steam store information checked 2026-09-06。- Studio
- mauneven Published by mauneven
- Release
- Aug 29, 2026 Released
- Official genres
- Action · Adventure · Casual · Indie
- Play mode
- Single-player · Multiplayer · Online co-op · Local co-op
- Desktop platforms
- Windows · macOS · Linux
- Steam Deck
- Unknown No additional compatibility detail
- Controller
- Partial support
- Steam features
- Achievements · Family Sharing
- Languages
- 16 listed languages English, French, Spanish - Spain, Italian
What that means for your setup1 HP DUNGEON is developed and self-published by the small studio mauneven, and it released on Steam for Windows, macOS, and Linux on Aug 29, 2026. It sits in the Action, Adventure, Casual, and Indie genres and supports single-player, local and online multiplayer, online co-op, and local co-op. The Steam store lists up to six hunters in co-op, alongside a single-player campaign with the character Emma and an endless Horde mode where waves are fought for survival. The full release campaign leads down to the Dragon King, with six named generals standing in the way: the Sand Worm, Bone Colossus, Hollow Choir, Ember Moth, Crystal Saint, and First King. After defeating the Dragon King, players can either return to the surface or keep exploring endless halls. Steam features include Achievements and Family Sharing, and the game has Partial support for controllers. Steam Deck compatibility is officially listed as Unknown, with no further verification or notes provided. Interface and full audio support is offered in a wide spread of languages, including English, French, Spanish (both Spain and Latin America), Italian, German, Dutch, Japanese, Korean, Polish, Portuguese (both Brazil and Portugal), Russian, Simplified Chinese, Thai, and Ukrainian. The current Steam price sits at $4.99 USD with no active discount, and the badge reads NEW ON STEAM.
1 HP DUNGEON sells itself on a single, deliciously stressful rule: everything, including you, dies in one hit. Every swing of a sword, every spell that lands, and every arrow that connects instantly removes something from the dungeon. That pressure turns ordinary rooms into tense puzzles where positioning, pattern reading, and timing matter more than twitch reflexes. You see attacks coming and can avoid them, but the same courtesy extends to the skeletons, mages, and bosses trying to kill you, which keeps every encounter feeling like a chess match you can lose in a blink. The promise is roguelike runs that stay short, sharp, and replayable, with hand-drawn pixel art and an original soundtrack setting a surprisingly cozy mood against the brutal difficulty.
What the game actually feels like
Every enemy, every player, and every boss lives on a single hit point, which transforms routine dungeon corridors into tense duels where dodging matters as much as attacking and where one careless step ends the run.
Runs use procedurally generated dungeons, so each descent rearranges room layouts, enemy mixes, and item placements, giving the campaign a roguelike structure where no two attempts play out the same way and where learning the rules matters more than memorizing levels.
A campaign of six named generals awaits before the Dragon King showdown, so progression feels like a gauntlet of distinct boss fights against the Sand Worm, Bone Colossus, Hollow Choir, Ember Moth, Crystal Saint, and First King, with each battle demanding different movement and timing reads.
Beyond the campaign, an endless Horde mode lets groups of up to six hunters test how long they can survive escalating waves, which adds a high-score flavored co-op layer on top of the roguelike structure.
What early players are seeing
What is landing
- Multiple players described the core one-hit rule as genuinely fun and rewarding rather than gimmicky, with one reviewer noting it feels fun and rewarding to play at 1HP all the time, and others calling the difficulty very difficult but in a fun way that keeps you feeling like you are about to die anytime.
- The cooperative experience is the most consistent high point across reviews, with players praising extremely slick online multiplayer, calling out the joy of dying alongside friends who have to clear a room to revive you, and several strongly recommending playing it with company rather than alone.
- The presentation earns warm remarks for its cozy retro vibe, with players highlighting cute visual details such as reflections, light effects, and explosions, while also pointing to a hand-drawn pixel art style and an original soundtrack that gives the brutal action a strangely calming backdrop.
- Boss design and loot satisfaction land well, with reviewers calling the bosses fun, praising perks and spells for making runs feel immersive, and comparing the experience favorably to classic browser roguelikes like Realm of the Mad God because the loot is satisfying and the difficulty remains real even on the easiest setting.
What still needs watching
- One negative review flagged the two-player balance as making the game get really easy, suggested the store and progression loop need more variety, and questioned the visibility and clarity of the current art compared to earlier trailers, all reasons that player is not recommending the game in its current state.
- Multiplayer performance has not been universally smooth, with one player reporting lag and enemy rubberbanding during online co-op before later editing the post to confirm the issue was fixed, which suggests netcode quality has been a moving target even if the most recent reports describe online play as extremely slick.
Is 1 HP DUNGEON worth buying now?
Current decision
Wait for more reviewsEarly player impressions are clearly positive, with a small pool of reviews averaging a 90 score and the co-op experience standing out as a strong reason to buy, but the sample size is too small to confirm how the game holds up across varied group sizes, longer campaigns, and ongoing netcode quality, so waiting for more reviews is the safer call before committing at full price.
Who this is for
A good fit if you…
- Friends and couples looking for a short, intense co-op roguelike to play online or on the couch, since multiple reviewers specifically recommend the game with company and praise how slick online multiplayer felt for them.
- Roguelike fans who like bullet-hell style reads and one-hit-kill tension, particularly players who fondly remember Realm of the Mad God and want a modern, hand-drawn pixel take on that flavor of run-based dungeon crawling.
- Budget-minded action players who want a $4.99 USD entry with Achievements, Family Sharing, broad language support, and Partial controller support across Windows, macOS, and Linux.
- Solo players who enjoy learning boss patterns on their own, since the campaign lets you take Emma down to the Dragon King alone while still giving you the option to bring friends later if the mood strikes.
Wait if you…
- You mainly play on Steam Deck, because official Steam Deck compatibility is listed as Unknown with no additional detail, and there is no verified confirmation that the game runs well on that hardware.
- You want a deep progression loop or a long campaign, because some early players feel the game still needs more items, more store variety, and more frequent bosses or bigger rooms to keep later runs feeling fresh.
- Online co-op is your main way to play, since at least one early player reported serious lag and rubberbanding during multiplayer even though a later edit suggested the issue was resolved, so it is worth waiting to see whether performance stays consistent for a wider range of players.
- You prefer tightly balanced two-player runs, because one reviewer found that two-player sessions made the game get really easy, which could undercut the tension that is the whole point of the one-hit design.
If 1 HP DUNGEON is not quite your game
SIMILAR OPTION
HELLDIVERS™ 2
Choose it ifPick HELLDIVERS 2 if you want a long-term live-service shooter with big battles; pick 1 HP DUNGEON if you want a compact, budget-friendly indie you can finish in short couch or online co-op sessions.
How it comparesCo-op action where one mistake can quickly spiral HELLDIVERS 2 is a large-scale, live-service third-person shooter with friendly fire, escalating difficulty, and a galactic metagame, while 1 HP DUNGEON is a small indie roguelike built around pixel-art one-hit combat and short procedural runs.
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Terraria
Choose it ifPick Terraria if you want hundreds of hours of sandbox progression; pick 1 HP DUNGEON if you want quick, tense runs you can finish in an evening and replay with friends.
How it comparesProcedural, replayable action with hand-drawn art and frequent drops Terraria leans into a sprawling 2D sandbox with building, crafting, and exploration over dozens of biomes and bosses, while 1 HP DUNGEON keeps each run short, focused entirely on one-hit combat, and built around tight dungeon runs rather than an open world.
SIMILAR OPTION · 30% OFF
Phasmophobia
Choose it ifChoose Phasmophobia if you want spooky investigation sessions with friends online; choose 1 HP DUNGEON if you want fast, brutal co-op runs where every swing can end a run.
How it comparesCo-op focused indie with tense, communication-heavy sessions Phasmophobia is a 4-player psychological horror investigation game built around ghost hunting, evidence gathering, and voice-based scares, while 1 HP DUNGEON is a 2D action roguelike with up to six hunters, hand-drawn pixel combat, and one-hit kills as the central hook.
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