The Lab

by Valve

Steam · Overwhelmingly Positive

Steam Facts

Data current as of Apr 21, 2026. We re-crawl reviews and metadata every 14 days.

Steam Sentiment95

Overwhelmingly Positive

Fewer than 5% of Steam games with 1,000+ reviews achieve this.

Quick Stats

Reviews

4,430en

6,618 total (all languages)

Current as of Apr 21, 2026

Released

Apr 5, 2016

Price

Free

Velocity

1.2/day

Slowing

Metadata current as of May 1, 2026 · Source: Steam

Market Reach

Free-to-play — revenue estimates don't apply.

About

Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!

Sentiment History

Sentiment over time

Playtime Sentiment

Sentiment by time invested

· 4,429 post-launch reviews

89%1,477 rev

<2h

97%901 rev

2-10h

99%1,678 rev

10-50h

98%331 rev

50-200h

97%36 rev

200h+

100%6 rev

Sentiment is consistent across all playtime ranges — players feel the same way whether they've played 2 hours or 200.

Competitive Benchmark

Compared to 220 similar games in the Free To Play genre released in 2016.

Sentiment vs. similar gamesTop 4%

Popularity vs. similar gamesTop 6%

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