P.I.

64KS
Released Dec 26, 2024by Studio非Mostly Positive(78% of 27 Steam reviews)

"P.I." is a psychological horror science fiction themed around live streaming. While being cautious about revealing her identity, the streamer continues her live broadcast from home, gradually uncovering the truth behind the strange events that begin to unfold in her everyday life.

Offers

What are keyshops?

Official stores

Official stores with direct support.

Steam
SteamOfficial
updated

About P.I.

(2025/02/14) English Version has been released!

While waiting for her partner to return, a female streamer is live-streaming from her home. Despite being concerned about the recent "Streamer Serial Murder Incident," she tries her best not to reveal anything that could lead to her identification while giving a tour of her home. However, as the stream continues, strange occurrences begin to unfold in her world...

The psychological horror science fiction "P.I." is an interactive fiction with live-streaming as its central theme. This is the debut game from the game/prototype studio "Studio非."

Playtime:

About 60 minutes to 120 minutes

About Video Streaming:

Streaming is welcome. Please check the guidelines on the official "Studio 非" website for more details.

Options:

  • You can turn off camera shake. If you're prone to 3D motion sickness, press the spacebar during gameplay.

  • You can exit the game by pressing the ESC key. The game will auto-save when you clear a day, so you can resume from the current streaming day when you return.

  • You can see all the endings without ever finishing the game.

  • If you press the 9 key three times during the game, you can reset the game and play from the beginning.

Others:

It has multiple endings

For an optimal experience, we recommend playing the Windows version.

If you play on a PC that does not meet the minimum specifications, there may be some performance issues. If you are unable to enjoy the game due to device compatibility or other factors, please feel free to request a refund. Please note that refund requests are only accepted through Steam.

The translation was done using tools like ChatGPT, so if you notice any unnatural phrasing or issues with the English text, we would greatly appreciate your feedback.

Game details

Game details

Released
Developer
Publisher
Platforms
Steam rating
Mostly Positive (78%)

Age ratings

CERO DIGRS 18DEJUS 16STEAM_GERMANY 16

Game modes

Languages

P.I. price history

Lowest tracked price: £1.69 (Jul 7, 2026) · current best: £3.39.

P.I. reviews

78% positive reviews all-time.

P.I. — frequently asked questions

Where can I buy P.I. at the cheapest price?

Right now the cheapest offer for P.I. is £3.39 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.

What is the lowest price P.I. has ever been?

The lowest price KingsPrice has tracked for P.I. is £1.69 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.

How can I get P.I. at a discount?

Create a free price alert on this page and KingsPrice will email you when P.I. drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.

System requirements

Minimum

Minimum:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10 64bit
  • Processor: intel Core i7 4770
  • Memory: 8 GB RAM
  • Graphics: NVIDIA GeForce GTX 970
  • DirectX: Version 11
  • Storage: 3 GB available space

Recommended

Recommended:
  • Requires a 64-bit processor and operating system
  • Additional Notes:

Similar at tracked lows

Games like P.I. (6)