IMHO.

Koi x Shin Ai Kanojo vs 突然*恋人

Koi x Shin Ai Kanojo and 突然*恋人 both land in Adventure, Casual on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both share Adventure, Casual on Steam. Koi x Shin Ai Kanojo (2023) is 1 year older than 突然*恋人 (2024). 突然*恋人 is currently ~52% cheaper on Steam than Koi x Shin Ai Kanojo (16.79 USD vs. 34.99 USD). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.

Which should you pick?

Choose Koi x Shin Ai Kanojo

Choose Koi x Shin Ai Kanojo if it matches what drew you to this matchup. Koi x Shin Ai Kanojo launched in 2023.

Choose 突然*恋人

Choose 突然*恋人 if it's currently about 52% cheaper on the Steam Store. 突然*恋人 launched in 2024.

Both Koi x Shin Ai Kanojo and 突然*恋人 sit in Adventure and Casual on Steam, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.

Side-by-side comparison

Koi x Shin Ai Kanojo vs 突然*恋人 — Steam metadata comparison
Koi x Shin Ai Kanojo — Steam game coverKoi x Shin Ai Kanojo突然*恋人 — Steam game cover突然*恋人
Released20232024
GenresAdventure, CasualAdventure, Casual
PlatformsWindowsWindows
Steam DeckDeck UnsupportedDeck Playable
Price34.99 USD16.79 USD
Steam reviews4 reviews1 reviews
MultiplayerSingle-player onlySingle-player only
DevelopersUs:trackSMEE

Side by side

Koi x Shin Ai Kanojo vs 突然*恋人 — FAQ

Should I play Koi x Shin Ai Kanojo or 突然*恋人 first?
If you want chronology, Koi x Shin Ai Kanojo (2023) came out before 突然*恋人 (2024). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
Are Koi x Shin Ai Kanojo and 突然*恋人 similar?
They overlap on Adventure, Casual on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
Koi x Shin Ai Kanojo vs 突然*恋人 — Verdict (2026) · imho.run