Games like Unders_core
If Unders_core is your kind of game, the closest matches are LONESTAR, Gordian Quest and Deep Sky Derelicts — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About Unders_core: The reimagined roguelike deckbuilding experience. Build two separate decks every run to find overpowered combinations and discover unexpected synergies. Discover a sci-fi world, face hostile fauna and experience unique and challenging runs.

Players who liked Unders_core also play
Steam players who put hours into Unders_core also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
LONESTAR
WHY THIS
Top pick for Unders_core fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Unders_core.
LONESTAR is a strategic Roguelike spaceship deckbuilder. As a bounty hunter, you will capture criminals scattered across the universe. Win the shockwave battle to gain rewards and vacations. Find treasures, customize spaceships, unlock talents, defeat the felons and be a legend!
Gordian Quest
WHY THIS
Second-strongest match for Unders_core fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Unders_core.
An epic deckbuilding RPG inspired by old-school classics like Ultima and D&D, using modern gaming concepts like roguelite elements and turnbased strategic combat. Lead and nurture parties of heroes. Forge bonds and discover new skills among them. Guide them to unravel the curses laid upon the lands.
Deep Sky Derelicts
WHY THIS
Third-strongest match for Unders_core fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Unders_core.
Deep Sky Derelicts is an original combination of turn-based strategy and RPG, enriched with tactical card combat and popular roguelike elements. Explore derelict alien ships, fight, loot and upgrade your gear, all in distinctive retro-futuristic comic book aesthetic style.
Roguebook
WHY THIS
Ranked #4 for Unders_core fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Unders_core.
Embrace the challenge of a roguelike deckbuilder with unique mechanics from the developers of Faeria and Richard Garfield, creator of Magic: The Gathering™. Build a team of two heroes, unleash powerful combos and defeat the legends of the Roguebook!
Pirates Outlaws
WHY THIS
Ranked #5 for Unders_core fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Unders_core.
Pirates Outlaws is a roguelike card game in which you navigate dangerous seas and challenge their masters. Your expedition will be full of ambushes and will not be easy. Build your deck and combos to become a reputed pirate.
SpellRogue
WHY THIS
Ranked #6 for Unders_core fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Unders_core.
SpellRogue is the ultimate tactical turn-based roguelike! Draft from over 350 powerful spells to assemble the perfect combination and crush your enemies in 70+ unique encounters. Face brutal choices, adapt to impossible odds, and strike back at the horrors that destroyed the world.
Astrea: Six-Sided Oracles
WHY THIS
Ranked #7 for Unders_core fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Unders_core.
Astrea is a DICE-deck-building roguelike that flips the script on deckbuilders by using dice instead of cards and a unique dual “damage” system: Purification vs Corruption. Build a dice pool strong enough to purify Astrea's out-of-control corruption and save the Star System.
For The Warp
WHY THIS
Ranked #8 for Unders_core fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Unders_core.
A roguelike deckbuilding game in space! Explore randomly generated systems, enemies and strange encounters. Build your deck, survive and reach For The Warp gate!
Cheaper alternatives
Games in the same vein priced at least 40% below Unders_core at current Steam store prices.
Garry's Mod
WHY THIS
Priced ~58% under Unders_core on Steam right now. Shares Indie with Unders_core.
Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.
Vampire Survivors
WHY THIS
Priced ~58% under Unders_core on Steam right now. Shares Indie with Unders_core.
Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!
R.E.P.O.
WHY THIS
Priced ~42% under Unders_core on Steam right now. Shares Early Access with Unders_core.
An online co-op horror game with up to 6 players. Locate valuable, fully physics-based objects and handle them with care as you retrieve and extract to satisfy your creator's desires.
Slay the Spire
WHY THIS
Priced ~48% under Unders_core on Steam right now. Shares Strategy and Indie with Unders_core.
We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!
Cookie Clicker
WHY THIS
Priced ~58% under Unders_core on Steam right now. Shares Strategy and Indie with Unders_core.
An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.
WEBFISHING
WHY THIS
Priced ~58% under Unders_core on Steam right now. Shares Indie with Unders_core.
WEBFISHING a multiplayer chatroom-focused fishing game! Relax and fish (on the web!)
POSTAL 2
WHY THIS
Priced ~92% under Unders_core on Steam right now. Shares Indie and Adventure with Unders_core.
Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?
Plants vs. Zombies GOTY Edition
WHY THIS
Priced ~58% under Unders_core on Steam right now. Shares Strategy with Unders_core.
Zombies are invading your home, and the only defense is your arsenal of plants! Armed with an alien nursery-worth of zombie-zapping plants like peashooters and cherry bombs, you'll need to think fast and plant faster to stop dozens of types of zombies dead in their tracks.
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
Grimm's Hollow
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Unders_core.
A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.
The Lab
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
Control, I'm Not Coming Back
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Unders_core.
Control, I'm Not Coming Back is a short and emotional narrative game about a lost astronaut searching for a reason to keep going forward while facing the emptiness of space. Inspired by the Hopecore aesthetic, it’s a story about positivism, friendship and our human connection with Voyager 1.
Lily's Well
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Unders_core.
It is a rainy night in the Spring of 2005. Lily is left home alone after her Papa put her to bed. She is awoken by a cry for help outside her window. It is coming from the well. Help Lily gather rope to go down the well and save the poor soul trapped down there.
Die in the Dungeon: Origins
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and Indie with Unders_core.
Fight your way through a mysterious dungeon in this deck-building, turn-based roguelike game where you don't use cards, but DICE! Deal with enemies by combining dice on your board, boost their effects with magical relics, and discover the story behind Die in the Dungeon!
Epic Battle Fantasy 3
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Unders_core.
Epic Battle Fantasy 3 is a silly turn-based JRPG, full of useless NPCs, rabid cats, childish humor, unreasonably large weapons, anime boobs, and other nonsense. And it's totally free!
The Last Sovereign
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and Indie with Unders_core.
Explore a world torn between armies of lust and purity in which everything is more complex than it seems, deciding the fate of nations through might, politics, and finance. Every decision matters in an intricate saga that tracks thousands of variables.
Shape of Dreams: Prologue
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Unders_core.
《Shape of Dreams: Prologue》is a unique game that blends action roguelite with MOBA-style gameplay. Edit your character's Memories to create your own champion. Face all challenges alone or play with friends in up to 4-player co-op.
Narrow it down
Head-to-head comparisons
Plays great on Steam Deck
Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.
LONESTAR
WHY THIS
Deck Verified — runs on Steam Deck out of the box. Shares Strategy and Indie with Unders_core.
LONESTAR is a strategic Roguelike spaceship deckbuilder. As a bounty hunter, you will capture criminals scattered across the universe. Win the shockwave battle to gain rewards and vacations. Find treasures, customize spaceships, unlock talents, defeat the felons and be a legend!
Gordian Quest
WHY THIS
Deck Verified — runs on Steam Deck out of the box. Shares Strategy and Indie with Unders_core.
An epic deckbuilding RPG inspired by old-school classics like Ultima and D&D, using modern gaming concepts like roguelite elements and turnbased strategic combat. Lead and nurture parties of heroes. Forge bonds and discover new skills among them. Guide them to unravel the curses laid upon the lands.
Pirates Outlaws
WHY THIS
Deck Verified — runs on Steam Deck out of the box. Shares Strategy and Indie with Unders_core.
Pirates Outlaws is a roguelike card game in which you navigate dangerous seas and challenge their masters. Your expedition will be full of ambushes and will not be easy. Build your deck and combos to become a reputed pirate.
SpellRogue
WHY THIS
Deck Verified — runs on Steam Deck out of the box. Shares Strategy and Indie with Unders_core.
SpellRogue is the ultimate tactical turn-based roguelike! Draft from over 350 powerful spells to assemble the perfect combination and crush your enemies in 70+ unique encounters. Face brutal choices, adapt to impossible odds, and strike back at the horrors that destroyed the world.
For The Warp
WHY THIS
Deck Verified — runs on Steam Deck out of the box. Shares Strategy and Indie with Unders_core.
A roguelike deckbuilding game in space! Explore randomly generated systems, enemies and strange encounters. Build your deck, survive and reach For The Warp gate!
Frequently asked about Unders_core
- How much does Unders_core cost?
- Unders_core is listed on Steam at 11.99 USD (current store price; Steam sales may reduce this temporarily).
- What games are most similar to Unders_core?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Unders_core are LONESTAR, Gordian Quest, Deep Sky Derelicts.
- Who developed Unders_core?
- Unders_core was developed by Kresent.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Unders_core.
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