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BONELAB

BONELAB

BONELAB is an experimental physics action game. Explore a mysterious lab filled with weapons, enemies, challenges and secrets. Escape your reality, or wreak havoc. No wrong answers.

Released Sep 29, 2022 Developer Stress Level Zero Platforms Windows VRPhysicsSandboxActionShooter
View on Steam ↗ $39.99 (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

79.2%positive16,281 reviews

What reviewers agree on

Praised
Criticised
Bar length = how many of the 112 reviews raise the point On criticised points, the pale part = reviewers who still recommend the game Select a point to see the exact counts and what reviewers wrote.

Counted across 112 English reviews, sampled to match this game's 79.2% positive rating · as of 2026-05-20

Recommended · 9 found this helpful

“Beyond Sandbox burned me so badly that i appriciate this game now. used to be really bad with its sdk, but now id say its worth your time with fusion + the extended sdk that the community made, can def lose alot of time making stuff for this game.”

— a player, Steam review · 38 hrs played
Recommended · 3 found this helpful

“very good game buy this instead beyond ♥♥♥♥♥♥♥”

— a player, Steam review · 19 hrs played
Not recommended · 3 found this helpful

“I liked this game but it didn't live up to boneworks”

— a player, Steam review · 65 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-11 13:45 UTC · history via SteamCharts.

326playing at last check
54824-hour peak
5,616all-time peak
0 500 1k 2023 2024 2025 2026 904 avg · Oct 2022

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.

55achievements
30.0%median completion
1.7%rarest: Fantasy Champion
85.8% of players 81.3% of players 78.6% of players 77.9% of players 61.0% of players 53.5% of players 45.9% of players 44.2% of players 43.7% of players 40.4% of players 40.3% of players 39.1% of players 38.3% of players 38.3% of players 37.7% of players 36.4% of players 36.2% of players 35.1% of players 34.9% of players 34.5% of players 34.2% of players 34.1% of players 34.0% of players 33.5% of players 31.0% of players 30.5% of players 30.3% of players 30.0% of players 29.9% of players 29.5% of players 29.3% of players 29.0% of players 27.3% of players 24.5% of players 24.3% of players 19.2% of players 18.4% of players 18.2% of players 16.6% of players 15.5% of players 14.5% of players 12.9% of players 11.5% of players 11.2% of players 11.1% of players 10.0% of players 7.6% of players 7.4% of players 7.4% of players 6.2% of players 3.5% of players 2.8% of players 2.6% of players 2.0% of players 1.7% of players 85.8% 0% most earned rarest
Almost everyone has
85.8%Backstage — Hidden achievement
81.3%Welcome Back — Hidden achievement
78.6%Descend — Hidden achievement
Rarest badges of honor
1.7%Fantasy Champion — Hidden achievement
2.0%My Pal Apollo — Hidden achievement
2.6%Long Time to Wait — Hidden achievement

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$39.99current · sampled 2026-07-26 08:39 UTC
$39.99lowest since tracking began2026-07-11
US39.99 USD
EU39.99 EUR
UK29.99 GBP
Australia49.99 AUD
Canada45.99 CAD
Japan3,990 JPY
Brazil107.99 BRL
China136.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

China≈$20 Brazil Japan Canada Australia UK US EU≈$45

Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.

$0 $25 $50 07-11 07-13 07-16 07-19 07-22 07-26

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Oct 31, 2024
Hotfix - controller tracking

Updated hotfix should correct the controller tracking issue after SteamVR 2.8 update. The issue was related to OpenXR-SteamVR runtime and would not effect the OculusXR runtime. If you switched to the

Aug 27, 2024
Patch #6

Patch 6 Patch 6 introduces a new circuitry system and basic fixtures to the Marrow SDK. The circuitry system enables you to implement simple cause and effect electrical circuits in your levels. Fixtur

Jul 18, 2024
Patch #5

Patch 5 Today's patch focuses on bringing impact properties and Stress Level Zero's grid wall assets to Marrow SDK 1.1.0 along a few other important features for level creation, responding to feedback

Jun 07, 2024
Patch #4

Patch 4 https://i.imgur.com/Qtj9lsv.gif 18 months of core development brings great performance increases, development optimizations, and a swath of game improvements. Slowly but surely these under-the

Sep 30, 2023
Anniversary Post

We’ve been 100% focused on Marrow/Bonelab development, prioritizing it over PR, emails, and a fifth SLZ title, but since today is the one year anniversary it made sense to take an hour to make a post.

Games like BONELAB

From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresAction, Adventure, Simulation
Player tagsVR · Physics · Sandbox · Action · Shooter · FPS · First-Person · Violent · Action-Adventure · Puzzle · Combat · Underground (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Tracked Controller Support · VR Only · Steam Cloud · Family Sharing
LanguagesEnglish * *
Achievements55
Estimated owners500,000 – 1,000,000 (SteamSpy)
Official sitehttps://www.stresslevelzero.com/
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS: Windows 10 Processor: Intel i5 7600 3.5ghz+ Memory: 8 GB RAM Graphics: GTX 1070 / 1660TI (6GB VRAM) DirectX: Version 11 Network: Broadband Internet connection Storage: 20 GB available space Sound Card: - VR Support: SteamVR or OpenXR Additional Notes: CPU performance required for physics calculations! SSD Required, 32GB Windows Virtual Memory Cache