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Watch trailer on Steam ↗The Drawstring Dungeon
Sleeper Build Studio · Published by Sleeper Build Studio
6 user reviews — 100% positive (6 reviews) · 52 achievements
Last updated 28 Sept 2026
Forge insane decks, stack powerful charms, battle pun-fueled monsters, and build your own final boss in this chaotic roguelike deckbuilder packed with evolving cards, extractions, and endless combos.
£4.29
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Price history
Strategy · 2025 · More under £5 games
Explore The Drawstring Dungeon where you'll forge unique decks, stack powerful charms, and build your own final boss against evolving challenges. Dive into a chaotic world of endless combos and hilarious puns.
About this game
Forge insane decks, utilize the unique combo system to make cards do different things, and battle pun-fueled monsters in a roguelike where you build the final boss.
In this chaotic deck builder where you've fallen into a bag of holding, every card evolves with its combo level, and every run mutates in unpredictable ways thanks to hundreds of relics, charms, and crazy event encounters. Strategize by extracting strength from your journey, trading progress for power while navigating a world packed with pun-derful foes like the Bass-alisk and the spell-slinging Hex-agon. Customize your cards with up to three charms each, stack ridiculous synergies, and shape your ultimate challenge by crafting the final boss yourself. No two runs are the same and neither are the disasters you'll unleash!
Key Features:
Dynamic Cards: Every card changes effects based on its combo level, unlocking new strategies as your deck evolves.
Charm System: Attach up to three different charms to each card to create wild, game-breaking combos while keeping a lookout for shiny charms.
Pun-Fueled Enemies: Battle a hilarious and deadly bestiary based on puns like the Bass-alisk and the Hex-agon.
Relics & Events: Discover tons of relics and world events that warp the rules of play each run.
Extractions, Not Campfires: Heal and power up by extracting at a cost resetting your progress to a checkpoint but gaining vital knowledge and strength.
Build Your Own Final Boss: Choose mutations and bonuses to craft your ultimate enemy and your ultimate reward.
Endless Replayability: With 4 characters and 400+ cards, 1000s of possible builds, up to 20 difficulty levels to beat your way through and over 50 achievements.
The Story:
You've tumbled into a bizarre and ancient Bag of Holding, but this isn’t just any enchanted sack. This one is alive… and hungry. Twisted by dark magic, it has one insatiable goal: to devour everything. Over centuries, it's swallowed creatures, artifacts, and entire realms, and now, everything inside is mutating into wild, unpredictable forms.
Now you're trapped in this writhing chaos, a shifting world stitched together from the bag's maddening contents. Your only hope? Find a way out before you're absorbed into its endless belly. But beware, this bag doesn't let go easily. It’s clever, it’s cunning, and it will do everything it can to keep you inside… forever.
System Requirements
Will my PC run this? →Minimum
- OS: Windows 10 64 bit
- Processor: Intel core i5 or AMD equivalent
- Memory: 4 GB RAM
- Graphics: NVIDIA GTX 660 or AMD Radeon HD 7950
- Storage: 300 MB available space
Supported Languages
Latest news
Patch NotesOfficial
Small balance changes!
We just wanted to update our Unity version for the project, but we decided to include a few balance changes! Buffed organize (set mana cost and stamina generation to 0) Buffed copy and paste, it now also draws specific card colors Buffed better luck next time's damage outputRead full article on Community Announcements (sleeperbuilddev)AnnouncementsOfficial
Shiny Charms!
In this update, we added shiny charms! Shiny charms have a chance of appearing whenever you get a charm and are alt art version of the normal charm + some cool particle effects. Not only do these shiny charms change their appearance, but they also add or change how the charm works! For example, the bloo charm previously just let the card combo with blue, but the shiny variant also draws you a card on top of that when playing it! Or some charms like Multi that had a negative aspect to it where it made the card cost 1 more, the shiny variant removes that negative aspect. On top of this, we also added a new achievement you can get by getting a shiny charm, happy hunting!Summary:Shiny charms! Variants of previous charms that are stronger and cooler looking, almost doubling our total charm count1 new achievement associated with the shiny charmsLight balancingRead full article on Community Announcements (sleeperbuilddev)Patch NotesOfficial
Some new charms and a new relic!
This update adds a few new charms and 1 new relic to the game, but what makes these special is that we had a player help us design these! If you want to help design a charm, relic or card into the game, feel free to reach out to us on Discord and we'd be happy to add it in! New CHARM: Pillow kitty, only trigger after turn 2, gain 2 block and repeat based on combo level New CHARM: Big kitty, only trigger after turn 4, deal 1 damage and repeat based on combo level New CHARM: romance book, only trigger after turn 7, heal 1 and repeat based on combo level New RELIC: Family plan, whenever you play a card with 3 charms on it, gain 1 mana and then pay 2 gold if possible Hopefully these new charms and relic allow for some cool new builds, we really wanted to push the idea of combining all of them to get some really strong outcomes (like what happens when a family works together)! You can check out the playthrough this wonderful player did as well on their Youtube!Read full article on Community Announcements (sleeperbuilddev)Patch NotesOfficial
Some new relics and balance changes!
Change, made Manual only reduce hero power costs by -1 instead of -2 and whenever you end your turn with zero stamina, deal 5 damage to a random enemy. New relic, Manual vol 2: reduce hero power cost by -1 and whenever you end your turn with zero stamina, gain 5 block. New relic, Medkit: whenever you take damage, gain 1 stamina Buff, Made flung cost 1 instead of 2 mana, reduce it’s stamina generation to 0, but made it so you also draw a card after flinging Nerf, made punishing debt increase cost by 1 instead of 2 Rework, Cursed Cadence first tier is the same, changed second tier to give block on top of first tier and changed third tier to give block and bat stacks on top of first tier Fixed poisoned fangs emptying goblet Fixed altar not showing up as a persistent status effect (just a visual issue) Fixed some more wording on cards to make them easier to understandRead full article on Community Announcements (sleeperbuilddev)Patch NotesOfficial
Massive Update! New Character and Over 100+ New Cards!
New things:A NEW CHARACTER, the Vampire! 100+ new cards and 4 new status types!Entirely new mechanics:Goblet: fill the goblet with combo breaks, some cards can use the goblet to do crazy thingsFling cards: Increase cards mana costs for a benefit, then fling them at enemies to deal damage relative to their mana cost or rarityCombo break: finally a class that can utilize the combo break relics fully! Cards now purposefully break combo to get benefits and can use the combo in other cool waysStatuses:Darkness: build darkness up on enemies to stun themIndulgence stacks: you deal and take +2 damage per stackBat stacks: build stacks up on yourself to turn into a bat giving you more defensive optionsBat form: You take and deal half damage until the start of your next turnNew Vampire character specific hero powers:Pitcher: Fill the gobletCrash out: Deal 2 X combo level as damage then break comboTorpedo: Fling a random card from hand to deal 2X it’s mana cost as damage to a random enemyNew relics, let us know what you think of them and if you have any ideas for relics you’d like to see in the game!1 new legendary card for the Warlock called, Full power, that should enable some cool new builds! New Achievements:Beat the game as the vampire → DraculaFill the goblet for the first time → GobletTurn into a bat → Bat robotReach 10+ indulgence stacks → Indulged??? → Zero to fullChanges & FixesMade it so you get 3 mana a turn instead of 2 after the first turnLowered the cost to remove charmsIncreased difficulty level 2’s enemy health from 10% → 20%Swapped difficulty 8’s increase enemy health for one that makes it so you get only 2 mana a turn after the first turn (so the game plays like how we initially had it)Increased Metal Beans event rival health reduction from 30 → 50Made circuit breaker relic only give mana every other combo break instead of every combo break (this relic was way too strong, even more so with the new character)Made the mysterious portal not be able to spawn the ...Read full article on Community Announcements (Tarmikoses (coze))
