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Games like UNDECEMBER: 4th Anniversary

If UNDECEMBER: 4th Anniversary is your kind of game, the closest matches are Diablo® IV, Path of Exile and Torchlight: Infinite — picked from the ranked list below. Reviewers single out its challenging, contemplative and immersive. 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.

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UNDECEMBER: 4th Anniversary is a free-to-play Hack & Slash Action RPG developed by Needs Games and published by LINE Games Corporation. Players take on the role of a Rune Hunter, customizing their build through a hexagonal rune board and a skill gem system that enables trigger-based spellcasting, letting two abilities fire simultaneously. The game features crafting with essences, seasonal pass rewards, and a zodiac tree offering meaningful progression nodes. Reviewers describe the experience as both immersive and intense, highlighting the creative and satisfying nature of the hexagonal board and the extensive build variety the skill system delivers. Inventory management plays a significant role across its massive scope. The game runs in solo-only mode with normal difficulty. It holds a 54% positive rating from nearly 5,000 Steam reviews and is marked as playable on Steam Deck.

About UNDECEMBER: 4th Anniversary: UNDECEMBER is a Hack & Slash Action RPG in which players are able to surpass the conventional limits of skills by endlessly combining variety of Skill and Link Runes. Become a Rune Hunter and experience the joy of farming and growth!

2022ActionAdventureRPGFree To PlayFree to playDeck PlayableWindowsby Needs Games
UNDECEMBER: 4th Anniversary — Steam game cover
Players highlight
Free to play with deep customizationHexagonal rune board feels creative and satisfyingSkill system delivers insane build varietyChallengingContemplativeImmersive

Players who liked UNDECEMBER: 4th Anniversary also play

Steam players who put hours into UNDECEMBER: 4th Anniversary 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.

  1. Diablo® IV

    WHY THIS

    Shares an intense mood with UNDECEMBER: 4th Anniversary.

    Top pick for UNDECEMBER: 4th Anniversary fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with UNDECEMBER: 4th Anniversary.

    Join the fight for Sanctuary in Diablo® IV, the ultimate action RPG adventure. Experience the critically acclaimed campaign and new seasonal content.

    2023ActionAdventureMassively Multiplayer49.99 USDDeck VerifiedSteam ↗
  2. Path of Exile

    WHY THIS

    Shares an immersive mood with UNDECEMBER: 4th Anniversary.

    Second-strongest match for UNDECEMBER: 4th Anniversary fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with UNDECEMBER: 4th Anniversary.

    You are an Exile, struggling to survive on the dark continent of Wraeclast, as you fight to earn power that will allow you to exact your revenge against those who wronged you. Path of Exile is an online Action RPG set in a dark fantasy world. The game is completely free and will never be pay-to-win.

    2013ActionIndieAdventureFreeDeck PlayableSteam ↗
  3. Torchlight: Infinite

    WHY THIS

    Shares an intense mood with UNDECEMBER: 4th Anniversary.

    Third-strongest match for UNDECEMBER: 4th Anniversary fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with UNDECEMBER: 4th Anniversary.

    The fate of Ember Technology is in your hands. With abounding hero build possibilities, dive into an epic journey with endless loot, adrenaline-pumping fights & new seasonal contents.

    2023ActionAdventureRPGFreeDeck PlayableSteam ↗
  4. Last Epoch

    WHY THIS

    Shares a contemplative mood with UNDECEMBER: 4th Anniversary.

    Ranked #4 for UNDECEMBER: 4th Anniversary fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with UNDECEMBER: 4th Anniversary.

    Uncover the Past, Reforge the Future. Ascend into one of 15 mastery classes and explore dangerous dungeons, hunt epic loot, craft legendary weapons, and wield the power of over a hundred transformative skill trees. Last Epoch is being developed by a team of passionate Action RPG enthusiasts.

    2024ActionIndieAdventure34.99 USDDeck VerifiedSteam ↗
  5. Nioh: Complete Edition

    WHY THIS

    Shares an immersive mood with UNDECEMBER: 4th Anniversary.

    Ranked #5 for UNDECEMBER: 4th Anniversary fans by collaborative filtering across millions of Steam libraries. Shares Action and RPG with UNDECEMBER: 4th Anniversary.

    Ready to die? Experience the newest brutal action game from Team NINJA and Koei Tecmo Games. In the age of samurai, a lone traveler lands on the shores of Japan. He must fight his way through the vicious warriors and supernatural Yokai that infest the land in order to find that which he seeks.

    2017ActionRPG4.99 USDSteam ↗
  6. Grim Dawn

    WHY THIS

    Shares an immersive mood with UNDECEMBER: 4th Anniversary.

    Ranked #6 for UNDECEMBER: 4th Anniversary fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with UNDECEMBER: 4th Anniversary.

    Enter an apocalyptic fantasy world where humanity is on the brink of extinction, iron is valued above gold and trust is hard earned. This ARPG features complex character development, hundreds of unique items, crafting and quests with choice & consequence.

    2016ActionIndieAdventure24.99 USDDeck PlayableSteam ↗
  7. Two Worlds Epic Edition

    WHY THIS

    Ranked #7 for UNDECEMBER: 4th Anniversary fans by collaborative filtering across millions of Steam libraries. Shares RPG with UNDECEMBER: 4th Anniversary.

    ... 300 years after Aziraal has been banished, a brother and sister are drawn into the conflict which has flared up between the Orcs and the free world. Kyra, the hero's younger sister, suddenly disappears in mysterious circumstances.«...If my family really belongs to the chosen ones, why then have we always been as poor as church mice?

    2009RPG14.99 USDDeck PlayableSteam ↗
  8. The Incredible Adventures of Van Helsing

    WHY THIS

    Shares an immersive mood with UNDECEMBER: 4th Anniversary.

    Ranked #8 for UNDECEMBER: 4th Anniversary fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with UNDECEMBER: 4th Anniversary.

    Put on your wide-brimmed hat, grab your weapons and embark on an incredible adventure in the gothic-noir world of Borgovia, where mad science threatens the fragile peace between monster and mortal.

    2013ActionIndieAdventure14.99 USDSteam ↗

Reviewers mention these as similar to UNDECEMBER: 4th Anniversary

Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.

  1. Path of Exile

    WHY THIS

    Shares an immersive mood with UNDECEMBER: 4th Anniversary.

    Reviewers of UNDECEMBER: 4th Anniversary cross-mention this title as a similar play. Shares Action and Adventure with UNDECEMBER: 4th Anniversary.

    You are an Exile, struggling to survive on the dark continent of Wraeclast, as you fight to earn power that will allow you to exact your revenge against those who wronged you. Path of Exile is an online Action RPG set in a dark fantasy world. The game is completely free and will never be pay-to-win.

    2013ActionIndieAdventureFreeDeck PlayableSteam ↗
  2. Path of Exile 2

    WHY THIS

    Reviewers of UNDECEMBER: 4th Anniversary cross-mention this title as a similar play. Shares Action and Adventure with UNDECEMBER: 4th Anniversary.

    Path of Exile 2 is a next generation Action RPG from Grinding Gear Games, featuring co-op for up to six players. Set years after the original Path of Exile, you will return to the dark world of Wraeclast and seek to end the corruption that is spreading.

    2024ActionAdventureMassively Multiplayer29.99 USDDeck PlayableSteam ↗
  3. Diablo® IV

    WHY THIS

    Shares an intense mood with UNDECEMBER: 4th Anniversary.

    Reviewers of UNDECEMBER: 4th Anniversary cross-mention this title as a similar play. Shares Action and Adventure with UNDECEMBER: 4th Anniversary.

    Join the fight for Sanctuary in Diablo® IV, the ultimate action RPG adventure. Experience the critically acclaimed campaign and new seasonal content.

    2023ActionAdventureMassively Multiplayer49.99 USDDeck VerifiedSteam ↗

Frequently asked about UNDECEMBER: 4th Anniversary

Does UNDECEMBER: 4th Anniversary run on Steam Deck?
UNDECEMBER: 4th Anniversary is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
Is UNDECEMBER: 4th Anniversary free to play?
Yes — UNDECEMBER: 4th Anniversary is a free-to-play title on Steam. You can install and play it without buying anything, though some games include optional in-app purchases.
Does UNDECEMBER: 4th Anniversary have multiplayer or co-op?
Yes — UNDECEMBER: 4th Anniversary supports multi-player play according to its Steam store listing (Multi-player, Cross-Platform Multiplayer, Online PvP).
What games are most similar to UNDECEMBER: 4th Anniversary?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside UNDECEMBER: 4th Anniversary are Diablo® IV, Path of Exile, Torchlight: Infinite.
Who developed UNDECEMBER: 4th Anniversary?
UNDECEMBER: 4th Anniversary was developed by Needs Games and published by LINE Games Corporation.

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 UNDECEMBER: 4th Anniversary.

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