Single-player games like Hydra Slayer
Below are 12 single-player Steam games similar to Hydra Slayer, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Hydra Slayer page.
Ranked picks
- 1

HyperRogue
Single-player alternative to Hydra Slayer — playable solo, no multiplayer required.
Time moves when you move in a truly non-Euclidean world
- 2

EmbeRogue
Single-player alternative to Hydra Slayer — playable solo, no multiplayer required. Shares Strategy and RPG with Hydra Slayer.
EmbeRogue is a real roguelike: turn-based, grid-based and boom-based, where everything can burn. Make your escape or tame your inner flames to defeat the FireLords.
- 3

Once upon a Dungeon II
Single-player alternative to Hydra Slayer — playable solo, no multiplayer required. Shares RPG with Hydra Slayer.
Explore an open world, descend into dark dungeons, defeat challenging creatures and collect unique loot in this hardcore traditional roguelike game.
- 4

Fractalis
Single-player alternative to Hydra Slayer — playable solo, no multiplayer required. Shares Strategy and RPG with Hydra Slayer.
Fractalis is a procedurally generated roguelike that has turnbased/gridbased combat with a realtime feel.
- 5

Possession
Single-player alternative to Hydra Slayer — playable solo, no multiplayer required. Shares RPG with Hydra Slayer.
Possession is a traditional turn-based roguelike where you play as a ghost trying to make your way to the surface. You are incredibly frail, but have one advantage: you can possess the bodies of the monsters you encounter, and use their strength and abilities as your own.
- 6

Sproggiwood
Single-player alternative to Hydra Slayer — playable solo, no multiplayer required. Shares Strategy and RPG with Hydra Slayer.
Bring civilization to Sproggiwood, a story-driven, turn-based roguelike set in a humorous world inspired by Finnish mythology. Grow your civilization and plunder procedural dungeons with six unique classes. Outsmart mischievous monsters who work together in unexpected ways. No two dungeon dives are alike.
- 7

Dungeonmans
Single-player alternative to Hydra Slayer — playable solo, no multiplayer required. Shares Strategy and RPG with Hydra Slayer.
Crush monsters and get loots in the classic turn-based style of deep dungeons and high adventure! Grow the Dungeonmans Academy, a bastion of learning that expands as you play. Serious gameplay with a light-hearted atmosphere, combining the feel of history's great RPGs and dice-slinging adventures around the tabletop.
- 8

Eye of Khaos
Single-player alternative to Hydra Slayer — playable solo, no multiplayer required. Shares RPG with Hydra Slayer.
Slay your enemies in this sword and sorcery roguelike! Ancient dungeons, fallen ruins and cyclopean towers and their primordial denizens present a tactical and deadly challenge that can only be overcome by the most resourceful heroes.
- 9

NetHack: Legacy
Single-player alternative to Hydra Slayer — playable solo, no multiplayer required. Shares RPG with Hydra Slayer.
NETHACK: LEGACY is a remastered version of the original NetHack, the deeply rich and complex fantasy D&D roguelike. Hack and slash your way through orcs, dragons, and cockatrices as you explore the perilous procedurally-generated dungeons seeking the Amulet of Yendor.
- 10

HackHub - Ultimate Hacker Simulator
Single-player alternative to Hydra Slayer — playable solo, no multiplayer required. Shares Strategy with Hydra Slayer.
Unravel cyber secrets and foil mass surveillance as a skilled hacker in Hackhub. Challenge authority, rewrite the rules, and emerge as the ultimate digital rebel.
- 11

ADOM (Ancient Domains Of Mystery)
Single-player alternative to Hydra Slayer — playable solo, no multiplayer required. Shares Strategy and RPG with Hydra Slayer.
ADOM (Ancient Domains Of Mystery) is one of the most successful roguelike games ever created, boasting a brilliant mix of story, RPG, exploration, and intensely strategic & flexible combat. The Steam version adds various features like achievements, difficulty level customization & play modes.
- 12

RogueViz Collection
Single-player alternative to Hydra Slayer — playable solo, no multiplayer required. Shares Strategy with Hydra Slayer.
The discovery of non-Euclidean geometry has changed how we perceive the world... but geometry goes even more exotic than that! Games of various genres designed for Thurston and space-time geometries.