Single-player games like Harmonia
Below are 15 single-player Steam games similar to Harmonia, 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 Harmonia page.
Ranked picks
- 1
planetarian HD
Single-player alternative to Harmonia — playable solo, no multiplayer required. Shares Adventure and Simulation with Harmonia.
planetarian HD is an engaging and emotional visual novel from legendary game studio, Key. A sub-brand of VISUAL ARTS, Key are also famed for creating Kanon, AIR, CLANNAD, Little Busters!, Rewrite, Angel Beats!, and Summer Pockets.
- 2
Stella of The End
Single-player alternative to Harmonia — playable solo, no multiplayer required. Shares Adventure and Simulation with Harmonia.
Jude Gray, a wandering Courier, receives a request to deliver some very special cargo. This cargo turns out to be Philia, an android girl who is unaffected by the enigmatic Singularity Machines.
- 3
Muv-Luv Alternative
Single-player alternative to Harmonia — playable solo, no multiplayer required. Shares Adventure and Casual with Harmonia.
Playtime's over. Time for despair. Experience the definitive version of a masterpiece in the Muv-Luv trilogy's thrilling conclusion. Note: therapy not included.
- 4
Lucy -The Eternity She Wished For-
Single-player alternative to Harmonia — playable solo, no multiplayer required. Shares Adventure and Simulation with Harmonia.
If there was a robot that could laugh, cry and smile. ...Does it have a soul?
- 5
NieR:Automata™
Single-player alternative to Harmonia — playable solo, no multiplayer required.
NieR: Automata tells the story of androids 2B, 9S and A2 and their battle to reclaim the machine-driven dystopia overrun by powerful machines.
- 6
ROBOTICS;NOTES ELITE
Single-player alternative to Harmonia — playable solo, no multiplayer required. Shares Adventure with Harmonia.
Thanks to the rising popularity of the PhoneDroid—a device which features augmented reality (A.R.)—the age of advanced technology has finally reached Tanegashima. On that island, Central Tanegashima High's "Robot Research Club" is about to have their club disbanded.
- 7
eden*
Single-player alternative to Harmonia — playable solo, no multiplayer required. Shares Adventure with Harmonia.
A tale of the planet's final love story told using the full force of minori's critically acclaimed illustrative style, engaging musical compositions, and the highly talented staff that has led fans coming back for more every single time!
- 8
1000xRESIST
Single-player alternative to Harmonia — playable solo, no multiplayer required. Shares Adventure with Harmonia.
1000xRESIST is a thrilling sci-fi adventure. The year is unknown, and a disease spread by an alien invasion keeps you underground. You are Watcher. You dutifully fulfil your purpose in serving the ALLMOTHER, until the day you discover a shocking secret that changes everything.
- 9
Rewrite+
Single-player alternative to Harmonia — playable solo, no multiplayer required. Shares Adventure and Casual with Harmonia.
In this city built upon the ideal coexistence of civilization and the environment, Tennouji Kotarou spends his days with his friends, Kanbe Kotori and Yoshino Haruhiko. In this peaceful city, a tumultuous event shakes the foundations of Kazamatsuri once a year.
- 10
CLANNAD
Single-player alternative to Harmonia — playable solo, no multiplayer required. Shares Adventure and Casual with Harmonia.
From the world renowned visual novel studio Key, the highly rated story of CLANNAD is now available on Steam! Improved visuals, achievement integration, and Dangopedia make this the best version of CLANNAD to date.
- 11
Summer Pockets
Single-player alternative to Harmonia — playable solo, no multiplayer required. Shares Adventure and Casual with Harmonia.
From the creators of Angel Beats! and CLANNAD, Key, comes their latest emotional, award-winning journey. Follow protagonist Takahara Hairi as he travels to the secluded island Torishirojima, where he rediscovers what it means to enjoy summer vacation.
- 12
planetarian ~the reverie of a little planet~
Single-player alternative to Harmonia — playable solo, no multiplayer required. Shares Casual with Harmonia.
In time for the 10th anniversary since its original release in Japan, planetarian is an engaging and emotional visual novel from legendary game studio, Key. A sub-brand of VisualArts, Key are also famed for creating Kanon, AIR, CLANNAD, Little Busters!, Rewrite, and Angel Beats!
- 13
Little Busters! English Edition
Single-player alternative to Harmonia — playable solo, no multiplayer required. Shares Adventure and Simulation with Harmonia.
Capturing the hearts of countless fans since 2007, Little Busters! is an emotional visual novel from Key, the minds behind Angel Beats! and CLANNAD. This special English release supports touch controls and dynamic switching between English and Japanese text, and is in HD for the first time on PC.
- 14
LOOPERS
Single-player alternative to Harmonia — playable solo, no multiplayer required. Shares Adventure and Simulation with Harmonia.
Tyler is a high schooler on a mission. He's going to use every minute of summer vacation to go on as many GPS-assisted scavenger hunts as possible. After running into some old friends during one of these hunts, strange things start happening: The day resets and today plays out exactly like yesterday
- 15
Tomoyo After ~It's a Wonderful Life~ English Edition
Single-player alternative to Harmonia — playable solo, no multiplayer required. Shares Adventure and Casual with Harmonia.
From renowned visual novel studio Key, this is the sequel to the highly acclaimed visual novel CLANNAD. Featuring a truly memorable continuation to Tomoya and Tomoyo's journey, Tomoyo After promises to draw you even further into CLANNAD's world.