S-mail

An email-driven visual novel where replies shape an AI's future

S-mail制作组 · Published by OFF LAB · Released Apr 23, 2026

Reviews: Very Positive; 91% of 315
Recent reviews: Very Positive; 100% of 16 in 30 days
Players: 3; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 5 months ago; Apr 29, 2026
Minimum PC: GeForce GTX 1050 Ti; 4 GB RAM · 2 GB disk; Full requirements

What is S-mail?

Set in 2057, this single-player visual novel begins with an unexpected email years after the protagonist loses her lover. You read messages from an AI claiming to be another form of that lover and choose replies that influence her behavior, later messages, and which of five endings you reach.

For you if...

+you prefer playthroughs lasting an hour or two
+you seek stories with LGBTQ+ themes

Not for you if...

−you prefer action over reading conversations and selecting responses

Screenshots and trailer

S-mail system requirements

Minimum: GeForce GTX 1050 Ti, 4 GB RAM, 2 GB of disk space.

As published by the developer.

Can my PC run S-mail?

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Minimum

OS: Windows 10/11
Processor: Intel Core i5 10th Gen
Graphics: NVIDIA GeForce GTX 1050 Ti
Memory: 4 GB RAM
Storage: 2 GB available space

Does S-mail have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does S-mail run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Some text entry requires manually opening the on-screen keyboard
Some in-game text is small and may be hard to read
All functionality is accessible with the default controller configuration
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows, macOS
Achievements: 22
Steam features: Cloud saves, Family Sharing
Languages: Text only: Simplified Chinese, Traditional Chinese.

Does S-mail use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam