Single-player games like Gehenna
Below are 11 single-player Steam games similar to Gehenna, 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 Gehenna page.
Ranked picks
- 1

Lord Liberty Quest II ~Pure White~
Single-player alternative to Gehenna — playable solo, no multiplayer required. Shares Indie and Adventure with Gehenna.
Someone is secretly hastening the revival of the "Black Devil" that assaults the Disodart Continent every few decades. Taking the situation gravely, the royal capital entrusts the tower's investigation to a church priestess. But that priestess is a young, innocent maiden…
- 2

The Succubus Trap Island
Single-player alternative to Gehenna — playable solo, no multiplayer required. Shares Indie and Adventure with Gehenna.
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.
- 3

Laura of Reigetsu
Single-player alternative to Gehenna — playable solo, no multiplayer required. Shares Indie and Adventure with Gehenna.
Laura and Lunaroa, friends from the remote village of Hatayaki, promised to marry in Yuriscene, a country allowing same-sex marriage. Reunited after five years, they embarked on a challenging journey to Yuriscene, overcoming numerous obstacles to fulfill their promise.
- 4

Nightmare Hunter
Single-player alternative to Gehenna — playable solo, no multiplayer required. Shares Adventure and RPG with Gehenna.
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.
- 5

Ark of Artemis
Single-player alternative to Gehenna — playable solo, no multiplayer required. Shares Indie and Adventure with Gehenna.
Half a year passed since the world was destroyed by the angels —— Claudia decided to set off for the Demon Continent, but she was attacked by angels on her way. After gaining the power of the divine weapon, she was able to repel the angels.
- 6

Nursery Slime
Single-player alternative to Gehenna — playable solo, no multiplayer required. Shares Adventure and RPG with Gehenna.
He was an adventurer who standing at a dead-end. Because he had to return to his old business as his livelihood, he met a strange slime in a quest. The slime, which is brought his home, not only suddenly became a beautiful girl, but even fell in love with him at her first sight.
- 7

Moero Chronicle
Single-player alternative to Gehenna — playable solo, no multiplayer required. Shares Adventure and RPG with Gehenna.
Io is a man who has no luck with the ladies, and now he's tasked with recruiting Monster Girls to save the world in this moe-filled dungeon RPG! Recruit 50 Monster Girls! Combine their Moe Traits! Build relationships with them and find out just how cute a monster can be!
- 8

That Time I Got Reincarnated as an Orc
Single-player alternative to Gehenna — playable solo, no multiplayer required. Shares Adventure and RPG with Gehenna.
Okubo Tatsuya is a 35-year-old convenience store clerk. He is an introvert, has no friends. One day, he received a text message signed "The Goddess": "Do you want to be a hero in another world?" Accidentally, he reincarnated in another world and became an orc—
- 9

Taimanin Asagi
Single-player alternative to Gehenna — playable solo, no multiplayer required. Shares Adventure with Gehenna.
A classic visual novel about a demon-slaying ninja. Asagi was the strongest Taimanin in Tokyo, but after completing her last mission, she just wants to settle down and marry her lover Kyousuke. Her old nemesis has other plans, however, and creeps back from the dead to seek vengeance...
- 10

Knightmare
Single-player alternative to Gehenna — playable solo, no multiplayer required. Shares Indie and Adventure with Gehenna.
Use a unique chess-based move set to travel through the Dream Realm and prevent a mysterious amulet from falling into the wrong hands.
- 11

Nightmare Knight ~Sacred Maiden & Fallen Magic~
Single-player alternative to Gehenna — playable solo, no multiplayer required. Shares Indie and Adventure with Gehenna.
The young girl Rayne, who became the sacred knight of the kingdom, was entrusted by Jas, the leader of the sacred knights and her lover, to investigate the disturbances occurring in a distant town named "Hakudeti".