IMHO.

Onii-chan Asobo vs Party To Oblivion

Onii-chan Asobo and Party To Oblivion both land in 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 are Casual games on Steam. Onii-chan Asobo (2019) is 7 years older than Party To Oblivion (2026). Party To Oblivion is free; Onii-chan Asobo is paid (8.99 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 Onii-chan Asobo

Choose Onii-chan Asobo if you want an Indie and Simulation experience. Onii-chan Asobo launched in 2019.

Choose Party To Oblivion

Choose Party To Oblivion if you want a Free To Play experience. On Steam, it's free to play, so the barrier to trying it is zero. Party To Oblivion launched in 2026.

Both Onii-chan Asobo and Party To Oblivion sit in 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

Onii-chan Asobo vs Party To Oblivion — Steam metadata comparison
Onii-chan Asobo — Steam game coverOnii-chan AsoboParty To Oblivion — Steam game coverParty To Oblivion
Released20192026
GenresIndie, Simulation, CasualFree To Play, Casual
PlatformsWindowsWindows
Steam DeckDeck PlayableUnrated
Price8.99 USDFree to play
Steam reviews73% positive (233 reviews)
MultiplayerSingle-player onlySingle-player only
DevelopersilシTaste Studios

Side by side

Onii-chan Asobo vs Party To Oblivion — FAQ

Should I play Onii-chan Asobo or Party To Oblivion first?
If you want chronology, Onii-chan Asobo (2019) came out before Party To Oblivion (2026). 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 Onii-chan Asobo and Party To Oblivion similar?
They overlap on 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.
Is Party To Oblivion free?
Yes — Party To Oblivion is a free-to-play Steam title. Onii-chan Asobo is paid (8.99 USD).
Does Onii-chan Asobo run on Steam Deck?
Yes — Onii-chan Asobo is rated Deck Playable by Valve. Party To Oblivion doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.
Onii-chan Asobo vs Party To Oblivion — Verdict (2026) · imho.run