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To Trust an Incubus

Adult Only · 18+

To Trust an Incubus

The temp worker Kenta is trapped in a lab with four sexy incubus aliens from another dimension. Kenta dates Incubi, incubi date each other, and even the lab workers can get together! A long gay sci-fi yaoi/bara dating sim loaded with 400 CGs!

Released Nov 22, 2018 Developer Y Press Games Platforms Windows · Mac · Linux NuditySexual ContentVisual NovelSimulationDating Sim
View on Steam ↗ $19.99 (US · as of 2026-09-28)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-27.

85.4%positive198 reviews
Not recommended · 0 found this helpful

“I hated everything about To Trust an Incubus. It has bad writing and annoying side characters who take up a major part of the story. While the characters at times are like nuanced, the writing simultaneously feels incredibly artificial and too fast paced at the same time. The…”

— a player, Steam review · 8 hrs played
Read more reviews ↗

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-27.

50achievements
18.0%median completion
6.8%rarest: It’s Always the One You Least Expect
45.9% of players 38.2% of players 35.6% of players 34.3% of players 33.3% of players 31.7% of players 28.9% of players 27.9% of players 27.8% of players 27.8% of players 27.6% of players 26.8% of players 26.1% of players 24.8% of players 24.8% of players 24.2% of players 23.3% of players 22.9% of players 21.9% of players 21.8% of players 20.9% of players 20.5% of players 19.9% of players 19.4% of players 18.6% of players 18.0% of players 17.9% of players 17.8% of players 17.7% of players 17.5% of players 16.4% of players 16.3% of players 16.2% of players 15.8% of players 15.7% of players 15.5% of players 14.8% of players 14.7% of players 14.2% of players 12.0% of players 11.9% of players 11.8% of players 11.6% of players 11.2% of players 11.0% of players 9.4% of players 9.3% of players 8.2% of players 6.9% of players 6.8% of players 45.9% 0% most earned rarest
Almost everyone has
45.9%How Do You Even Work In There? — Find everything in Raiden’s office
38.2%In Need of Spring Cleaning — Find everything in the basement
35.6%Free as a Bird — Happily ever after with Saji and Harsi
Rarest badges of honor
6.8%It’s Always the One You Least Expect — Find the only ending with three deaths
6.9%Dear Kenta- — Get dumped via letter
8.2%Better Safe than Sorry — Hedge your bets and head for the Kinders

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-09-28. Steam prices vary by region — always confirm your local price on Steam.

$19.99current · sampled 2026-09-28 23:18 UTC
$19.99lowest since tracking began2026-09-28
US19.99 USD
UK17.75 GBP
Australia28.50 AUD
Canada23.99 CAD
Japan2,600 JPY
Brazil67.99 BRL

Regional prices at last sample, in local currency — Steam sets each region's price independently.

Brazil≈$13 Japan Canada US Australia UK≈$24

Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-28). Relative comparison only.

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Oct 13, 2025
Get the ENTIRE First Season of Monster Ops NOW!

Bing Season One and Play the FREE Season 2 Premiere! The highs, the lows, the intense discoveries, and intense lust! Grab the entire season in two bundles AVAILABLE NOW! Binge Season One and then play

Aug 24, 2025
Oni Onsen is LIVE NOW!

https://clan.fastly.steamstatic.com/images/35059450/761c6b1d74b8ed34a0af9fcb8e6052cadf51a787.png It’s finally here! After years of hard work, passion, and dedication we present to you: Oni Onsen – Now

Apr 01, 2025
Monster Lover: Ambrosilas OUT NOW!

Monster Lover 2 Out Now! Meet Ambrosilas! Big news! The sequel to Monster Lover: Balasque is our now! Check out Monster Lover: Ambrosilas! https://clan.fastly.steamstatic.com/images/35059450/b2a53246d

Dec 12, 2024
Monster Ops Episode 6 Available to Beta Patrons!

The beta for Monster Ops Episode 6 is in the hands of Patrons right now! We'd love to share this with you and get your feedback. https://clan.fastly.steamstatic.com/images/35059450/d8e2687ed33af9f812b

Nov 07, 2024
Monster Ops Episode 5 Available to Beta Patrons!

The beta for Monster Ops Episode 5 is in the hands of Patrons right now! We'd love to share this with you and get your feedback. https://clan.akamai.steamstatic.com/images/35059450/b001e2d673328d4db17

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From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

Sakura Spirit Sakura Spirit 75.3% · 4,344 reviews shares Dating Sim, Nudity, Sexual Content, Visual Novel If My Heart Had Wings If My Heart Had Wings 91.4% · 2,313 reviews shares Dating Sim, Nudity, Sexual Content, Visual Novel Sunrider Academy Sunrider Academy 81.2% · 757 reviews shares Dating Sim, Nudity, Sexual Content, Visual Novel Sakura Angels Sakura Angels 80.9% · 1,175 reviews shares Dating Sim, Nudity, Sexual Content, Visual Novel Sunrider: Liberation Day - Captain's Edition Sunrider: Liberation Day - Captain's Edition 81.3% · 552 reviews shares Dating Sim, Nudity, Sexual Content, Visual Novel Seduce Me the Otome Seduce Me the Otome 87.8% · 1,822 reviews shares Dating Sim, Nudity, Sexual Content, Visual Novel Sakura Beach Sakura Beach 80.5% · 1,064 reviews shares Dating Sim, Nudity, Sexual Content, Visual Novel Panzermadels: Tank Dating Simulator Panzermadels: Tank Dating Simulator 91.8% · 1,331 reviews shares Dating Sim, Nudity, Sexual Content, Visual Novel

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-27.

GenresSimulation
Player tagsNudity · Sexual Content · Visual Novel · Simulation · Dating Sim · Anime (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Family Sharing
LanguagesEnglish * *
Achievements50
Official sitehttps://ypressgames.com/category/to-trust-an-incubus/
Minimum system requirements (PC)

Minimum: OS *: Windows XP System Pack 1 Processor: 1GHz Memory: 512 MB RAM Graphics: DirectX or OpenGL compatible card Storage: 2 GB available space