Single-player games like Sinful Testament
Below are 8 single-player Steam games similar to Sinful Testament, 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 Sinful Testament page.
Ranked picks
- 1
Loretta
Single-player alternative to Sinful Testament — playable solo, no multiplayer required. Shares Indie and Adventure with Sinful Testament.
Loretta is a psychological thriller that makes the player an accessory to the heroine’s crimes, leading her through a self-crafted nightmare. Loretta’s story revolves around a woman handling betrayal, her husband’s infidelity, and reclaiming her agency during the socially tumultuous 1940s.
- 2
REDLINE — Strings of Fate
Single-player alternative to Sinful Testament — playable solo, no multiplayer required. Shares Indie and Adventure with Sinful Testament.
A sci-fi otome game where your choices shape love — and the future of society.
- 3
Up All Night
Single-player alternative to Sinful Testament — playable solo, no multiplayer required. Shares Adventure with Sinful Testament.
Unearth secrets hidden between the trees. Solve a murder. Confront what awaits in the darkness. Whatever transpires, you’re guaranteed to be up all night.
- 4
Bungou Catharsis 文豪カタルシス
Single-player alternative to Sinful Testament — playable solo, no multiplayer required. Shares Indie and Adventure with Sinful Testament.
Fall in love, and rewrite literary history. Romance legendary Japanese authors—including Osamu Dazai, Ryunosuke Akutagawa, Kenji Miyazawa, and Natsume Soseki—in a literary mystery visual novel. Your choices shape not only your romance, but also the fate of literary history itself.
- 5
All Time High
Single-player alternative to Sinful Testament — playable solo, no multiplayer required. Shares Indie and Adventure with Sinful Testament.
A trading app, a group chat, and one "just one more trade." Chase a California fortune through a crypto mania where every gain costs something you can't buy back — a moral-descent thriller told entirely through your phone. Your choices write the ledger. Six endings.
- 6
Blake: The Visual Novel
Single-player alternative to Sinful Testament — playable solo, no multiplayer required. Shares Indie with Sinful Testament.
Graphic Novel meets Visual Novel in this story-rich, choice-driven thriller. Experience Blake’s journey as he encounters a clandestine nemesis, sparking a series of events that force him to choose between losing his sanity or rising to the challenge. Make the right decisions and save New Stone.
- 7
Affictionate
Single-player alternative to Sinful Testament — playable solo, no multiplayer required. Shares Indie and Adventure with Sinful Testament.
After a year of bad dates and failed job applications, you've nearly given up on the love story you've always written about. One night, you write your perfect man into a notebook... the next day, he becomes a reality. A romance visual novel about identity and the line between fiction and reality.
- 8
Red Spider2: Exiled
Single-player alternative to Sinful Testament — playable solo, no multiplayer required. Shares Indie and Adventure with Sinful Testament.
"Red Spider2" is a Hong Kong Noir-themed Visual Novel. There are 6 story routes with the different characters(approximately 200,000 words in total).