Single-player games like Girl Genius: Adventures In Castle Heterodyne
Below are 15 single-player Steam games similar to Girl Genius: Adventures In Castle Heterodyne, 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 Girl Genius: Adventures In Castle Heterodyne page.
Ranked picks
- 1
Covenant: Project Zero
Single-player alternative to Girl Genius: Adventures In Castle Heterodyne — playable solo, no multiplayer required. Shares Action and Adventure with Girl Genius: Adventures In Castle Heterodyne.
Covenant: Project Zero is a space opera set in a universe where interstellar corporations and big money interests run everything. Embark on an action-packed adventure as Captain John Covenant, accompanied by a band of rag-tag misfits, to confront the dark evil lurking in the universe.
- 2
The Holy Gosh Darn
Single-player alternative to Girl Genius: Adventures In Castle Heterodyne — playable solo, no multiplayer required. Shares Adventure with Girl Genius: Adventures In Castle Heterodyne.
Play as Cassiel, a foul-mouthed angel trapped in a time loop with a mission to save Heaven. Use the magical clock bestowed upon you from Death (yes, that Death, from Manual Samuel, stop asking) to jump between timelines across Heaven, Hell, Earth and Helheim to stop Heaven from going boom. Again.
- 3
Souls of Chronos
Single-player alternative to Girl Genius: Adventures In Castle Heterodyne — playable solo, no multiplayer required. Shares Action and Adventure with Girl Genius: Adventures In Castle Heterodyne.
The Apocalypse shattered a world in disarray. Facing his impending death, a young boy named Sid crossed paths with Torii, a girl who feeds on the energy of time. In the harbour town of Astella, a mysterious adventure is about to unfold along with the investigation of an unusual crime...
- 4
EVERING
Single-player alternative to Girl Genius: Adventures In Castle Heterodyne — playable solo, no multiplayer required. Shares Action and Adventure with Girl Genius: Adventures In Castle Heterodyne.
EVERING is a turn-based RPG that tells an epic story through witty dialogue with charismatic characters. Uncover the origin of the mysterious hero and find out something you weren't looking for.
- 5
Lost in Random™
Single-player alternative to Girl Genius: Adventures In Castle Heterodyne — playable solo, no multiplayer required. Shares Action and Adventure with Girl Genius: Adventures In Castle Heterodyne.
Play the odds in Lost in Random™, a gothic-fairy-tale-inspired action-adventure where every citizen’s fate is determined by a roll of the dice.
- 6
F.I.S.T.: Forged In Shadow Torch
Single-player alternative to Girl Genius: Adventures In Castle Heterodyne — playable solo, no multiplayer required. Shares Action and Adventure with Girl Genius: Adventures In Castle Heterodyne.
F.I.S.T.: Forged In Shadow Torch is a Metroidvania action game featuring exploration, intense combat and challenging platforming.
- 7
Internet Generation
Single-player alternative to Girl Genius: Adventures In Castle Heterodyne — playable solo, no multiplayer required. Shares Action and Adventure with Girl Genius: Adventures In Castle Heterodyne.
A story about a dying chat server. Moderators are abusing their power, the owner has neglected the server, and the lives of members are miserable. And you, as a newcomer, will pick up your keyboard, and overthrow the owner and moderators' tyranny!
- 8
AI LIMIT
Single-player alternative to Girl Genius: Adventures In Castle Heterodyne — playable solo, no multiplayer required. Shares Action and Adventure with Girl Genius: Adventures In Castle Heterodyne.
In the distant future when civilization is on the verge of extinction, people follow the legend of the Elysium in the last city, Havenswell. In this post-apocalyptic wasteland sci-fi ARPG, you will play as Arrisa, a Blader with immortality, and explore the city ruin to find the hope of a new life.
- 9
MDK
Single-player alternative to Girl Genius: Adventures In Castle Heterodyne — playable solo, no multiplayer required. Shares Action with Girl Genius: Adventures In Castle Heterodyne.
ON A GOOD DAY, ONLY 2.5 MILLION PEOPLE WILL DIE. As vast alien mining cities suck the power and minerals from every major metropolis on Earth simultaneously, time is of the essence as millions of civilians are expiring by the second.
- 10
Teslagrad
Single-player alternative to Girl Genius: Adventures In Castle Heterodyne — playable solo, no multiplayer required.
A journey begins... A treacherous tower... Unravel its mysteries!Discover the secrets kept in the long abandoned Tesla Tower!Magnetism and other electromagnetic powers will help you explore a non-linear world of beautiful hand-drawn environments, in a steampunk-inspired vision of old Europe.
- 11
World to the West
Single-player alternative to Girl Genius: Adventures In Castle Heterodyne — playable solo, no multiplayer required. Shares Action and Adventure with Girl Genius: Adventures In Castle Heterodyne.
World to the West is a standalone followup of Teslagrad, the indie hit that sold more than 1.6 million copies worldwide. A vast world of blue skies and dark caves awaits you in this 3D action adventure, as you try to unveil the mysteries of an ancient prophecy.
- 12
Teslagrad 2
Single-player alternative to Girl Genius: Adventures In Castle Heterodyne — playable solo, no multiplayer required. Shares Action and Adventure with Girl Genius: Adventures In Castle Heterodyne.
Lumina, a young Teslamancer, finds herself stranded after her airship crash lands in Wyrmheim, a remote and treacherous land to the North. Embark on a dangerous adventure, exploring a gigantic, abandoned tower looming over a fjordside valley, on a quest to get Lumina home and back to her family.
- 13
Teslagrad Remastered
Single-player alternative to Girl Genius: Adventures In Castle Heterodyne — playable solo, no multiplayer required. Shares Action and Adventure with Girl Genius: Adventures In Castle Heterodyne.
Return to the indie classic Teslagrad, recharged to provide the ultimate electromagnetic experience! Escape a tyrant king, master the art of Teslamancy, and uncover the secrets buried deep within the Tesla Tower in this puzzle-platforming adventure!
- 14
Mesmer
Single-player alternative to Girl Genius: Adventures In Castle Heterodyne — playable solo, no multiplayer required. Shares Action and Adventure with Girl Genius: Adventures In Castle Heterodyne.
A unique revolution simulator where every encounter matters. Mesmer! The pearl of the old world. At least it used to be. But this city has failed its people. Unite the people, spark a revolution and storm the castle. Build a better Mesmer.
- 15
Knuckle Jet
Single-player alternative to Girl Genius: Adventures In Castle Heterodyne — playable solo, no multiplayer required. Shares Action and Adventure with Girl Genius: Adventures In Castle Heterodyne.
What's this? An off-the-wall, riveting jetpunk nose-breaking ricochet action platformer, lovingly crafted by the oddballs behind the Teslagrad series!