IMHO.

Ys IX: Monstrum Nox vs Trinity Trigger

Ys IX: Monstrum Nox and Trinity Trigger both land in Action, RPG 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 Action, RPG on Steam. Ys IX: Monstrum Nox (2021) is 2 years older than Trinity Trigger (2023). Ys IX: Monstrum Nox scores higher on Steam reviews (95.4% positive) than Trinity Trigger (66.7% positive). 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 Ys IX: Monstrum Nox

Choose Ys IX: Monstrum Nox if you want the Color Alternatives, Custom Volume Controls, and Stereo Sound side of the pairing. On Steam, it's Steam Deck Verified, so handheld play works out of the box. Ys IX: Monstrum Nox launched in 2021.

Choose Trinity Trigger

Choose Trinity Trigger if it matches what drew you to this matchup. Trinity Trigger launched in 2023.

Both Ys IX: Monstrum Nox and Trinity Trigger sit in Action and RPG on Steam and both list Multi-player, Shared/Split Screen, and Shared/Split Screen Co-op, 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

Ys IX: Monstrum Nox vs Trinity Trigger — Steam metadata comparison
Ys IX: Monstrum Nox — Steam game coverYs IX: Monstrum NoxTrinity Trigger — Steam game coverTrinity Trigger
Released20212023
GenresAction, RPGAction, RPG
PlatformsWindowsWindows
Steam DeckDeck VerifiedDeck Unsupported
Price29.99 USD29.99 USD
Steam reviews95.4% positive (934 reviews)66.7% positive (69 reviews)
MultiplayerMulti-player, Shared/Split Screen Co-op, Co-opMulti-player, Shared/Split Screen Co-op, Co-op
DevelopersNihon Falcom, PH3 GmbH, Engine Software BVFURYU Corporation

Side by side

Ys IX: Monstrum Nox vs Trinity Trigger — FAQ

Should I play Ys IX: Monstrum Nox or Trinity Trigger first?
If you want chronology, Ys IX: Monstrum Nox (2021) came out before Trinity Trigger (2023). 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 Ys IX: Monstrum Nox and Trinity Trigger similar?
They overlap on Action, RPG 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.
Do both Ys IX: Monstrum Nox and Trinity Trigger have co-op?
Yes — both list a co-op category on Steam. Specifics differ: Ys IX: Monstrum Nox ships Shared/Split Screen Co-op, Co-op; Trinity Trigger ships Shared/Split Screen Co-op, Co-op.
Ys IX: Monstrum Nox vs Trinity Trigger — Verdict (2026) · imho.run