Single-player games like Not Only Nine
Below are 8 single-player Steam games similar to Not Only Nine, 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 Not Only Nine page.
Ranked picks
- 1
YUKOMON
Single-player alternative to Not Only Nine — playable solo, no multiplayer required. Shares Indie and Adventure with Not Only Nine.
The protagonist's life changes when their 5-year-old sister is transformed into a Yukomon. The only cure is to complete the genetic search for the 200 cataloged Yukomons, but Team T is ready to sabotage their journey.
- 2
Stories of Somnia
Single-player alternative to Not Only Nine — playable solo, no multiplayer required. Shares Indie and Adventure with Not Only Nine.
Stories of Somnia is an exploration-first JRPG with the bones of a Metroidvania. Use spells to grapple across gaps, change the rules of combat, and reshape the world around you. Collect memory-born companions called Dreamkin and uncover a story about grief, time, and the courage to rest.
- 3
Tower Song
Single-player alternative to Not Only Nine — playable solo, no multiplayer required. Shares Indie and Adventure with Not Only Nine.
Tower Song is a challenging turn-based RPG that rewards clever planning and decisive tactics in unrepeatable battles. Eldritch tower-borne beasts threaten to breach reality and overrun the capital of Qadam. Lead your chosen Mana Knight in this tightly plotted quest to push back the darkness.
- 4
Harold Halibut
Single-player alternative to Not Only Nine — playable solo, no multiplayer required. Shares Indie and Adventure with Not Only Nine.
Harold Halibut is a handmade narrative game about friendship and life on a city-sized spaceship submerged in an alien ocean. Join Harold as he explores a vibrant retro-future world in his quest to find the true meaning of ‘home’.
- 5
Sea of Stars
Single-player alternative to Not Only Nine — playable solo, no multiplayer required. Shares Indie and Adventure with Not Only Nine.
Sea of Stars is a turn-based RPG inspired by the classics. It tells the story of two Children of the Solstice who will combine the powers of the sun and moon to perform Eclipse Magic, the only force capable of fending off the monstrous creations of the evil alchemist known as The Fleshmancer.
- 6
OPUS: Echo of Starsong - Full Bloom Edition
Single-player alternative to Not Only Nine — playable solo, no multiplayer required. Shares Indie and Adventure with Not Only Nine.
Echo of Starsong is a visual novel style adventure game. Eda, a girl who can hear mysterious sound waves known as starsong, crosses paths with a young man in search of their source. Together, they venture out to the heart of space to unravel an ancient myth.
- 7
Wolfstride
Single-player alternative to Not Only Nine — playable solo, no multiplayer required. Shares Indie and Adventure with Not Only Nine.
Get wrecked in this immature grown-up RPG about a trio of troublemakers stumbling their way through a giant mecha tournament. Repair and upgrade the team’s hand-me-down rig, pick up odd jobs to pay the bills, and battle the best-of-the-best all while running from the regrettable choices of the past.
- 8
Meg's Monster
Single-player alternative to Not Only Nine — playable solo, no multiplayer required. Shares Indie and Adventure with Not Only Nine.
Take control of the Underworld’s grumpiest ghoul to help a lost little girl find her way home in this creepy-cute indie adventure. Just be warned: if she cries, the whole world dies.