Single-player games like ONI : Road to be the Mightiest Oni
Below are 9 single-player Steam games similar to ONI : Road to be the Mightiest Oni, 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 ONI : Road to be the Mightiest Oni page.
Ranked picks
- 1
KAKU: Ancient Seal
Single-player alternative to ONI : Road to be the Mightiest Oni — playable solo, no multiplayer required. Shares Action with ONI : Road to be the Mightiest Oni.
An Open world Action adventure combining exploration with puzzles and dynamic combat. Go on a journey across a sprawling continent as Kaku, a boy tasked to restore balance to the land. Brave the four elemental regions with the help of Piggy, his powerful companion and conquer their lords.
- 2
Bat Boy
Single-player alternative to ONI : Road to be the Mightiest Oni — playable solo, no multiplayer required. Shares Action with ONI : Road to be the Mightiest Oni.
Ryosuke isn't just your regular high-school kid. He and his fellow sports-star friends secretly battle against the evil invading forces of Lord Vicious, hellbent on hosting sinister athletic events for his own amusement! Ryosuke is Bat Boy!
- 3
Nyaruru Fishy Fight
Single-player alternative to ONI : Road to be the Mightiest Oni — playable solo, no multiplayer required. Shares Action with ONI : Road to be the Mightiest Oni.
This game is a Metroidvania game with intense battle. Explore the world and collection power-ups with your cute cat girl! When magic curse suddenly occurred in a small town and all the residents grew cat ears, the real cat girl Nyaruru started her way to uncover the truth...
- 4
Ys VIII: Lacrimosa of DANA
Single-player alternative to ONI : Road to be the Mightiest Oni — playable solo, no multiplayer required. Shares Action with ONI : Road to be the Mightiest Oni.
Ys returns with a brand new adventure for the first time in 8 years! Adol awakens shipwrecked and stranded on a cursed island. There, he and the other shipwrecked passengers he rescues form a village to challenge fearsome beasts and mysterious ruins on the isolated island.
- 5
Monster Boy and the Cursed Kingdom
Single-player alternative to ONI : Road to be the Mightiest Oni — playable solo, no multiplayer required. Shares Action with ONI : Road to be the Mightiest Oni.
A legendary series returns with a grand new adventure! Enjoy a colorful action-adventure game made alongside Ryuichi Nishizawa, creator of the original Wonder Boy in Monster World series.
- 6
SCARLET NEXUS
Single-player alternative to ONI : Road to be the Mightiest Oni — playable solo, no multiplayer required. Shares Action with ONI : Road to be the Mightiest Oni.
Choose between Yuito and Kasane, elite psionics each armed with a talent in psychokinesis and their own reason to fight. Complete both of their stories to unlock all the mysteries of a Brain Punk future caught between technology and psychic abilities.
- 7
Astalon: Tears of the Earth
Single-player alternative to ONI : Road to be the Mightiest Oni — playable solo, no multiplayer required. Shares Action with ONI : Road to be the Mightiest Oni.
Uphold your pact with the Titan of Death, Epimetheus! Fight, climb and solve your way through a twisted tower as three unique adventurers, on a mission to save their village from impending doom!
- 8
Tales of Berseria™
Single-player alternative to ONI : Road to be the Mightiest Oni — playable solo, no multiplayer required. Shares Action with ONI : Road to be the Mightiest Oni.
Players embark on a journey of self-discovery as they assume the role of Velvet, a young woman whose once kind demeanor has been replaced and overcome with a festering anger and hatred after a traumatic experience three years prior to the events within Tales of Berseria.
- 9
HEIMA
Single-player alternative to ONI : Road to be the Mightiest Oni — playable solo, no multiplayer required. Shares Action with ONI : Road to be the Mightiest Oni.
Dive into an immersive spatial puzzle adventure. After your brother disappears into a world that should not exist, follow his trail across four parallel worlds. Master the powers of SHIFT and HOLD, solve spatial puzzles, and uncover the truth behind his disappearance.