Single-player games like Ys IX: Monstrum Nox
Below are 18 single-player Steam games similar to Ys IX: Monstrum Nox, 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 Ys IX: Monstrum Nox page.
Ranked picks
- 1

Ys VIII: Lacrimosa of DANA
Single-player alternative to Ys IX: Monstrum Nox — playable solo, no multiplayer required. Shares Action and RPG with Ys IX: Monstrum Nox.
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.
- 2

Fablelight
Single-player alternative to Ys IX: Monstrum Nox — playable solo, no multiplayer required. Shares Action and RPG with Ys IX: Monstrum Nox.
A single-player, story-driven 2D fighting game with RPG progression. Slash through fairytale monsters, recruit unlikely allies, and choose your route through a whimsical and absurd hand-drawn world.
- 3

Ys vs. Trails in the Sky: Alternative Saga
Single-player alternative to Ys IX: Monstrum Nox — playable solo, no multiplayer required. Shares Action and RPG with Ys IX: Monstrum Nox.
Finally, the walls between Falcom's legendary RPG series, Ys and Trails, are broken for the ultimate dream match up! Fan-favorite heroes and rivals clash in battles once thought impossible, with support from beloved characters across Falcom's classic titles to aid you in the fight!
- 4

Etrange Overlord
Single-player alternative to Ys IX: Monstrum Nox — playable solo, no multiplayer required. Shares Action and RPG with Ys IX: Monstrum Nox.
Join Étrange on this musical odyssey as she seeks to conquer hell in the pursuit of living her best afterlife.
- 5

Ys X: Nordics
Single-player alternative to Ys IX: Monstrum Nox — playable solo, no multiplayer required. Shares Action and RPG with Ys IX: Monstrum Nox.
Explore uncharted islands, engage in fast-paced action combat, and experience the high seas adventures of unlikely allies Adol and Karja in Ys X: Nordics!
- 6

Trinity Trigger
Single-player alternative to Ys IX: Monstrum Nox — playable solo, no multiplayer required. Shares Action and RPG with Ys IX: Monstrum Nox.
Caught in the middle of a divine clash of epic proportions that has left gigantic weapons towering over the landscape, Cyan and newfound allies Elise and Zantis set out on a quest to save the world…and defy the gods. Claim your fate in this fantastical adventure inspired by classic JRPGs.
- 7

STAR OCEAN THE DIVINE FORCE
Single-player alternative to Ys IX: Monstrum Nox — playable solo, no multiplayer required. Shares Action and RPG with Ys IX: Monstrum Nox.
Square Enix and Tri-Ace present the latest title in the Star Ocean RPG series.
- 8

The Legend of Heroes: Trails through Daybreak
Single-player alternative to Ys IX: Monstrum Nox — playable solo, no multiplayer required. Shares Action and RPG with Ys IX: Monstrum Nox.
The spriggan known as Van Arkride, an underground professional, accepts any job, acting as detective, negotiator, or bounty hunter. Dive into the Trails series' latest chapter with intense combat, beautiful visuals, and a new alignment system in Calvard!
- 9

Ys: The Oath in Felghana
Single-player alternative to Ys IX: Monstrum Nox — playable solo, no multiplayer required. Shares Action and RPG with Ys IX: Monstrum Nox.
An Action RPG driven by fast-paced combat and paired with an intricate puzzle-filled world.
- 10

Persona 5 Royal
Single-player alternative to Ys IX: Monstrum Nox — playable solo, no multiplayer required. Shares RPG with Ys IX: Monstrum Nox.
Don the mask and join the Phantom Thieves of Hearts as they stage grand heists, infiltrate the minds of the corrupt, and make them change their ways!
- 11

Trails
Single-player alternative to Ys IX: Monstrum Nox — playable solo, no multiplayer required.
TRAILS is a cozy puzzle game in which you plot routes for floating sand ships. Deliver vital cargo to remote outposts - without collisions, dead ends, or backtracking. Every move counts in the wasteland.
- 12

The Legend of Heroes: Trails in the Sky
Single-player alternative to Ys IX: Monstrum Nox — playable solo, no multiplayer required. Shares RPG with Ys IX: Monstrum Nox.
Hailed as one of the largest, longest and most meticulously detailed turn-based JRPG series of all time, this first chapter in the ongoing Trails saga sets the stage for what's quickly become Ys developer Nihon Falcom's most popular and best-selling franchise in their entire 30+ year history.
- 13

The Legend of Heroes: Trails of Cold Steel
Single-player alternative to Ys IX: Monstrum Nox — playable solo, no multiplayer required. Shares RPG with Ys IX: Monstrum Nox.
At Thors Military Academy, Erebonia’s best learn everything from the art of war to liberal arts. First year Rean Schwarzer learns he’s been selected to join the controversial Class VII, and they’ll need to deal with more than just class warfare--they’ll need to safeguard their country from chaos.
- 14

Sora no Kiseki the 1st
Single-player alternative to Ys IX: Monstrum Nox — playable solo, no multiplayer required. Shares RPG with Ys IX: Monstrum Nox.
Celebrating the 20th anniversary of the Kiseki series, a story-driven RPG that began in 2004, the landmark first installment, The Legend of Heroes: Sora no Kiseki FC (First Chapter), is receiving a full remake!
- 15

The Legend of Heroes: Trails in the Sky SC
Single-player alternative to Ys IX: Monstrum Nox — playable solo, no multiplayer required. Shares RPG with Ys IX: Monstrum Nox.
Picking up shortly after The Legend of Heroes: Trails in the Sky, Estelle travels across Liberl in search of Joshua. The journey involves more than seeking loved ones, however, as the Bracer Guild also tasks her with unraveling the mysteries behind the newly unveiled Society of Ouroboros.
- 16

Trails in the Sky 1st Chapter
Single-player alternative to Ys IX: Monstrum Nox — playable solo, no multiplayer required. Shares Action and RPG with Ys IX: Monstrum Nox.
Trails in the Sky 1st Chapter reimagines the first chapter of a beloved series, infusing it with enhanced visuals and refined gameplay. Join Estelle and Joshua, partners bound by fate, as they unravel dark conspiracies threatening the peace of the Liberl Kingdom.
- 17

Ys Origin
Single-player alternative to Ys IX: Monstrum Nox — playable solo, no multiplayer required. Shares Action and RPG with Ys IX: Monstrum Nox.
The perfect mix of action, exploration and story with screen-filling bosses, unique platforming elements, and innovative puzzles.
- 18

The Legend of Heroes: Trails of Cold Steel III
Single-player alternative to Ys IX: Monstrum Nox — playable solo, no multiplayer required. Shares RPG with Ys IX: Monstrum Nox.
Experience an epic story developed across three titles, and crafted for new and old fans alike. Also includes an interactive introduction to catch up new players to the ongoing story so anyone can dive right in to the world of Trails of Cold Steel.