Steam Deck Playable · Casual · 2018

Does Fatal Twelve work on Steam Deck?

Mostly. Valve rates it Steam Deck Playable, with a few caveats.

Status checked 9 November 2026 · LYCORIS

Playable

Short answer: mostly. Fatal Twelve is rated Steam Deck Playable. It runs, but you may need to adjust settings or use the touchscreen or on-screen keyboard at times.

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Fatal Twelve on Steam Deck

Valve's Steam Deck test results

Valve's detailed notes for this game will appear here soon. You can see them now on the Steam store page.

Steam Deck status checked 9 November 2026.

About Fatal Twelve

Developer
LYCORIS
Publisher
Sekai Project
Release date
30 March 2018
Genre
Casual, Adventure, Indie
Steam
Store page

Tags

  • Female Protagonist
  • Visual Novel
  • LGBTQ+
  • Dating Sim
  • Story Rich
  • Multiple Endings
  • Anime
  • Battle Royale
  • Mystery
  • Singleplayer

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