Single-player games like Into the Nightmare
Below are 12 single-player Steam games similar to Into the Nightmare, 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 Into the Nightmare page.
Ranked picks
- 1

Samurai Vandalism
Single-player alternative to Into the Nightmare — playable solo, no multiplayer required. Shares Indie and RPG with Into the Nightmare.
The land of Yamato is filled with cruel rebels, oppressive nobles, and dangerous monsters. Fight as a Hozuki samurai to bring justice to the land!
- 2

Noelle Does Her Best!
Single-player alternative to Into the Nightmare — playable solo, no multiplayer required. Shares Indie and RPG with Into the Nightmare.
After an unfulfilling childhood in the countryside, Noelle jumps at the first opportunity to move out and live on her own. Little does she know, her new home comes with the world's worst housewarming gift: a debt to the tune of a million gold, which she only has 10 days to repay! It's time for Noelle to do her best!
- 3

The Scarlet Demonslayer
Single-player alternative to Into the Nightmare — playable solo, no multiplayer required. Shares Indie and RPG with Into the Nightmare.
Agnis, the Scarlet Demonslayer, is the strongest of the demon eradication warriors battling against the calamities that plague the world. But after losing her powers, the nation is defenseless against the otherworldly attacks! To recover her lost magic, she must depend on her assistants to help her!
- 4

And the Hero Was Never Seen Again
Single-player alternative to Into the Nightmare — playable solo, no multiplayer required. Shares RPG with Into the Nightmare.
The Demon King lies defeated at the Hero's hand, but the Hero himself has changed... in more ways than one!
- 5

Ideology in Friction
Single-player alternative to Into the Nightmare — playable solo, no multiplayer required. Shares Indie and RPG with Into the Nightmare.
Ideology in Friction is the story of two knights, Clacier and Annette. They're forced into an impossible situation where they must make a decision that will change their entire lives. What does this destiny have in store for them? Find out in Ideology in Friction!
- 6

Loretta's Brand-New Job
Single-player alternative to Into the Nightmare — playable solo, no multiplayer required. Shares Indie and RPG with Into the Nightmare.
Elio's peaceful life undergoes a dramatic change as he takes on the role of editor-in-chief of his party's paper!
- 7

Pray Game
Single-player alternative to Into the Nightmare — playable solo, no multiplayer required. Shares Indie and RPG with Into the Nightmare.
Washed away to the island of Anatol, Alcy now must embark on a journey to escape the island and find her way to safety.
- 8

Serafina and the Key to the Egg
Single-player alternative to Into the Nightmare — playable solo, no multiplayer required. Shares Indie and RPG with Into the Nightmare.
After receiving a challenge which could determine the future of her village, if not the whole world, Serafina sets out for the city of Mirado. There she will have to do anything she can to take part in auction to win treasure of great power, the Key to the Egg.
- 9

Magical Girl Celesphonia
Single-player alternative to Into the Nightmare — playable solo, no multiplayer required. Shares Indie and RPG with Into the Nightmare.
Amane has always lived for herself, choosing to focus on her studies and happiness. But what will she do when given magical powers beyond human comprehension to face a horde of terrible monsters? It's time for her to become Magical Girl Celesphonia!
- 10

Nightmare Hunter
Single-player alternative to Into the Nightmare — playable solo, no multiplayer required. Shares RPG with Into the Nightmare.
One day in the dream, some one showed up and claimed there is a dream called paradise. From that day, dream demons that can suck human memory and spirit increased. In order to make everything return to its original state, Yoru, who awakened as a demon hunter, decided to challenge the initiator.
- 11

Ambrosia
Single-player alternative to Into the Nightmare — playable solo, no multiplayer required. Shares Indie and RPG with Into the Nightmare.
The apprentice priestess Flode is dedicated to serving the God of Light, Leight, but when she's suddenly wrapped up in a scandal, she's sent to a remote island to spread the faith. Little does everyone know, the island houses long-forgotten secrets of its own...
- 12

The Succubus Trap Island
Single-player alternative to Into the Nightmare — playable solo, no multiplayer required. Shares Indie and RPG with Into the Nightmare.
Leaf, a female knight serving as the princess’s bodyguard, visits the island of Torion — a tourist spot known for its ancient ruins. However, due to a small mishap and the schemes of the succubi who manage the island, she ends up having to conquer a dungeon filled with traps.