Wiki

The In Falsus Wiki

A structured reference for everything known about In Falsus so far — songs and chart data, the rhythm and Encounter systems, Card Integration rules, Blueprint stats, the five protagonists and every demo patch. Numbers come from the public demo and community research; pages are updated as new versions land.

Full release: 2026-09-09 on Steam

About the Game

What is In Falsus?

In Falsus is an upcoming Music × Card Integration × ADV game by lowiro for PC: rhythm gameplay layered with card battles and a story following five girls in a near-future world. It releases September 9, 2026 on Steam.

What does "In Falsus" mean?

The title is Latin — falsus means "false" or "deceived", so the name is commonly read as "in falsehood". lowiro hasn't published an official translation, but it matches the game's themes of lies observed under an unseen gaze.

Can you play In Falsus on mobile?

No. In Falsus is PC-only via Steam — no Android, iOS or console versions have been announced. The game's one-handed keyboard + mouse control scheme is built for desktop.

Is In Falsus related to Arcaea?

Both are made by lowiro, but In Falsus is a standalone new IP, not an Arcaea sequel. The two do cross over: Cryogenic from In Falsus was added to Arcaea in March 2026.

Is the In Falsus demo still available?

Yes — the free demo (currently v0.3.1) is on Steam with 6 songs, 3–4 difficulties each, the Card Integration systems and a preview of the story mode.

Written for infalsustips.com from our own demo testing and community research. Fact-checked against: In Falsus Wiki (Miraheze) (CC BY-SA 4.0) · In Falsus Wiki (Fandom) (CC BY-SA)

Data reflects demo v0.3.1 · pre-release · Unofficial fan site — In Falsus © lowiro