Enter a world of Slavic myth and medieval adventure. As a young bogatyr, journey to the Thrice-Nine Kingdom, challenge Koschei the Deathless, and save your immortal soul in Bylina – an epic action-adventure rooted in Slavic folklore, with a heavy focus on skill-based combat.

Public builds
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Counted once we have watched for 90 days (since 21 Oct 2026)
Distinct builds deployed to a game's public (default) Steam branch, as Steam's client network describes them.
Checked within minutes of each Steam change. Observed since 21 Oct 2026.
Source: Steam client network (PICS), App info, public branch. Full methodology
Latest public build
Build 23302301
Update posts
9 postsPosts announcing an update, tagged or not
Posts in a game's official Steam news feed that announce an update: tagged as patch notes by the developer, or plainly about a patch or a released update.
Source: Steam Web API, ISteamNews/GetNewsForApp. Full methodology
Typical gap between builds
Not enough builds yet| Build | Went live | Patch notes |
|---|---|---|
| 23302301 | Update #8: Live Now — Performance, Visual Stability, Quest Flow, Combat Behavior |
From Steam’s client network, last checked . Builds before 21 Oct 2026, when we started watching, aren't listed. Patch notes are the developer’s update post from an hour before to a day after the build. Not every build gets one. How we count
| Posted | Update |
|---|---|
| 19 May 2026 | Update #8: Live Now — Performance, Visual Stability, Quest Flow, Combat Behavior Update |
| 13 May 2026 | Update #7: Live Now — Gameplay Flow, Quest Progression, Combat Behavior Update |
| 7 May 2026 | Update #6: Live Now — Gameplay Issues, UI Behavior, Quest Flow, Bug Fixes Update |
| 4 May 2026 | Update #5: Live Now — Major Progression Fixes, FPS Improvements & Autosave Update |
| 30 Apr 2026 | Update #4.1: Live Now — Critical Fix, Additional Fixes & Improvements |
| 29 Apr 2026 | Update #4: Live Now — Performance Improvements and Critical Stability Fixes Update |
| 24 Apr 2026 | Update #3: Live Now — Performance Boost, Major Fixes & QoL Improvements Update |
| 22 Apr 2026 | Update #2 Live Now — FPS Improvements, Inventory Fix & VO Updates Update |
| 21 Apr 2026 | Update #1: Live Now — Bug fixes, localization, and audio improvements Update |
Steam keeps no record of past build numbers, so before 21 Oct 2026 a game’s update history comes from its own Steam news: posts tagged as patch notes, and untagged posts that plainly announce a patch or a released update. Older posts are still being read in, most played games first. How we count