Single-player games like htoL#NiQ: The Firefly Diary
Below are 18 single-player Steam games similar to htoL#NiQ: The Firefly Diary, 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 htoL#NiQ: The Firefly Diary page.
Ranked picks
- 1

A Rose in the Twilight
Single-player alternative to htoL#NiQ: The Firefly Diary — playable solo, no multiplayer required. Shares Strategy and Adventure with htoL#NiQ: The Firefly Diary.
A girl awakens in a castle void of color and time, affixed with the Curse of Thorns upon her back. After meeting a sleeping giant, the two work together to escape. Help them unravel the mystery of the thorns and the history behind the somber castle.
- 2

Yomawari: Night Alone
Single-player alternative to htoL#NiQ: The Firefly Diary — playable solo, no multiplayer required. Shares Strategy and Adventure with htoL#NiQ: The Firefly Diary.
A quiet evening stroll takes a turn for the worse as a tragic accident befalls a little girl and her dog. When her sister goes missing later in the night, the little girl decides to venture out into the eerie darkness to search for her loved ones as evil spirits haunt the alleyways and streets of her once-peaceful town.
- 3

Yomawari: Midnight Shadows
Single-player alternative to htoL#NiQ: The Firefly Diary — playable solo, no multiplayer required. Shares Strategy and Adventure with htoL#NiQ: The Firefly Diary.
The dark is no place to be alone. After a beautiful show of summer fireworks, two young girls begin to make their way home. However, a mysterious attacker separates them, and both must brave the haunting night filled with unspeakable terrors and survive the darkness.
- 4

Catherine Classic
Single-player alternative to htoL#NiQ: The Firefly Diary — playable solo, no multiplayer required. Shares Adventure with htoL#NiQ: The Firefly Diary.
Catherine: a tale of love, betrayal, and the terror of commitment. Experience the mature action-adventure-puzzle game unlike any other from the makers of the Persona series, now enhanced for PC in all its Classic glory. Is love over? Climb to the top or die trying.
- 5

Yomawari: Lost in the Dark
Single-player alternative to htoL#NiQ: The Firefly Diary — playable solo, no multiplayer required. Shares Strategy and Adventure with htoL#NiQ: The Firefly Diary.
Another chapter of the atmospheric horror series has emerged from the shadows! Eerie sound design and shadowy environments set the stage for gruesome and terrifying ghosts never seen before in the series.
- 6

YUMENIKKI -DREAM DIARY-
Single-player alternative to htoL#NiQ: The Firefly Diary — playable solo, no multiplayer required. Shares Adventure with htoL#NiQ: The Firefly Diary.
As long as I have dreams in my heart, I can never escape. I can never awaken from my dreams. Maybe if I follow the dream just past this doorway, then someday I can wake up again...
- 7

The MISSING: J.J. Macfield and the Island of Memories
Single-player alternative to htoL#NiQ: The Firefly Diary — playable solo, no multiplayer required. Shares Adventure with htoL#NiQ: The Firefly Diary.
J.J. scours Memoria Island to find her best friend, who has gone missing during a camping trip. In order to save her best friend, she puts her own body and life on the line, reviving infinitely, as she presses forward. Why did she go missing? What is going on in this world?
- 8

Clea
Single-player alternative to htoL#NiQ: The Firefly Diary — playable solo, no multiplayer required. Shares Adventure with htoL#NiQ: The Firefly Diary.
Clea is a jump scare free, skill-based survival horror adventure.
- 9

Simp Simulator
Single-player alternative to htoL#NiQ: The Firefly Diary — playable solo, no multiplayer required. Shares Adventure with htoL#NiQ: The Firefly Diary.
Welcome to Simp Simulator. Queen desires money, perhaps it's time to simp! Collect as many money sacks as you could and deliver them to your queen! Hurry though, queen does not like to wait.
- 10

Super Meat Boy
Single-player alternative to htoL#NiQ: The Firefly Diary — playable solo, no multiplayer required.
The infamous, tough-as-nails platformer comes to Steam with a playable Head Crab character (Steam-exclusive)!
- 11

Hollow Knight
Single-player alternative to htoL#NiQ: The Firefly Diary — playable solo, no multiplayer required. Shares Adventure with htoL#NiQ: The Firefly Diary.
Forge your own path in Hollow Knight! An epic action adventure through a vast ruined kingdom of insects and heroes. Explore twisting caverns, battle tainted creatures and befriend bizarre bugs, all in a classic, hand-drawn 2D style.
- 12

The Legend of Heroes: Trails of Cold Steel
Single-player alternative to htoL#NiQ: The Firefly Diary — playable solo, no multiplayer required.
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.
- 13

Disgaea PC
Single-player alternative to htoL#NiQ: The Firefly Diary — playable solo, no multiplayer required.
The hotheaded Laharl seeks to be the next big Overlord in the Netherworld...and will destroy anyone that gets in his way! With his devious vassal Etna and the angel trainee Flonne as his unlikely allies, he must battle his way to supremacy and retake the throne in this over-the-top RPG adventure!
- 14

Disgaea 5 Complete
Single-player alternative to htoL#NiQ: The Firefly Diary — playable solo, no multiplayer required. Shares Strategy with htoL#NiQ: The Firefly Diary.
The nefarious Overlord Void Dark seeks to enslave countless Netherworlds...and only the young demon Killia can stop him! Assemble your tenacious army of rebels and unleash vengeance in this hell-raising adventure! The stakes are high, the damage cap is higher, and the destruction is limitless!
- 15

Disgaea 2 PC
Single-player alternative to htoL#NiQ: The Firefly Diary — playable solo, no multiplayer required.
The Overlord Zenon has cursed the land, leaving a young man named Adell to seek vengeance. However, all hell breaks loose as Adell accidentally kidnaps the Princess of the Netherworld. Will Adell be able to return the Princess, defeat Zenon, and break the Overlord's dark curse?
- 16

Labyrinth of Refrain: Coven of Dusk
Single-player alternative to htoL#NiQ: The Firefly Diary — playable solo, no multiplayer required. Shares Strategy with htoL#NiQ: The Firefly Diary.
Beneath a small town lies an endless maze known as the Labyrinth of Refrain. Dusk Witch Dronya arrives, and with her puppet soldiers, endeavors to find something buried deep within. Embark on an adventure as you discover the secrets underground.
- 17

Disgaea 7: Vows of the Virtueless
Single-player alternative to htoL#NiQ: The Firefly Diary — playable solo, no multiplayer required. Shares Strategy and Adventure with htoL#NiQ: The Firefly Diary.
Disgaea is back and better than ever in Disgaea 7: Vows of the Virtueless! Join Fuji as he embarks on a perilous journey of redemption, and experience unique features new to the Disgaea series!
- 18

Disgaea 4 Complete+
Single-player alternative to htoL#NiQ: The Firefly Diary — playable solo, no multiplayer required. Shares Strategy with htoL#NiQ: The Firefly Diary.
The ultimate Disgaea has arrived to Steam! HL-raising action and a horde of special features await you in this tale of fiery revolution.