Popularity · relative index
Based on public voting signals, not player counts.
━ Popularity · index / 100 (left)
Popularity data · dates and index values
- 2026-10-04 UTC: Insufficient data
- 2026-10-05 UTC: Insufficient data
- 2026-10-06 UTC: Insufficient data
- 2026-10-07 UTC: Insufficient data
- 2026-10-08 UTC: Insufficient data
- 2026-10-09 UTC: Insufficient data
- 2026-10-10 UTC: Insufficient data
- 2026-10-11 UTC: Insufficient data
- 2026-10-12 UTC: Insufficient data
- 2026-10-13 UTC: Insufficient data
- 2026-10-14 UTC: Insufficient data
- 2026-10-15 UTC: Insufficient data
- 2026-10-16 UTC: Insufficient data
- 2026-10-17 UTC: Insufficient data
- 2026-10-18 UTC: Insufficient data
- 2026-10-19 UTC: Insufficient data
- 2026-10-20 UTC: Insufficient data
- 2026-10-21 UTC: Insufficient data
- 2026-10-22 UTC: Insufficient data
- 2026-10-23 UTC: Insufficient data
- 2026-10-24 UTC: Insufficient data
- 2026-10-25 UTC: Insufficient data
- 2026-10-26 UTC: Insufficient data
- 2026-10-27 UTC: Insufficient data
- 2026-10-28 UTC: Insufficient data
- 2026-10-29 UTC: Insufficient data
- 2026-10-30 UTC: Insufficient data
- 2026-10-31 UTC: Insufficient data
- 2026-11-01 UTC: Insufficient data
- 2026-11-02 UTC: Insufficient data
N New label observedH Hot label observedS Staff-picked label observed
Markers are positive daily observations from the portal API, not entry or exit dates or continuous placement. Hot does not prove a popular-list position; staff-picked does not prove homepage placement. These observations do not establish a cause for popularity changes.
No recorded label observations in this range. This does not prove that the game was never listed.
Custom date range
Posts & updates
News, reviews, videos and community posts about this game. Open a post to read or watch the original.
About Professor Laboratory
Welcome to “Professor’s Laboratory” — a bright and engaging puzzle that tests your logic and attentiveness!
The professor is conducting chemical experiments, but all the colored reagents have gotten mixed up! Your task is to help the scientist restore perfect order in his laboratory. Pour the colorful chemicals from one test tube to another until each flask contains only one color of liquid.
Game features: ⭐ Dozens of increasingly challenging levels that will keep you entertained. ⭐ Meditative gameplay without rushing — play at your own pace. ⭐ Simple and intuitive one‑click controls. ⭐ An excellent workout for the brain, logical thinking, and concentration. ⭐ A stylish, minimalist design with a pleasant pouring animation.
Can you stabilize all the reactions and prove that you’re a true science genius? Join the game and start chemical sorting right now!
Description from playhop.com ↗
Studio · Roman Skokov
View studio →Analysis at a glance
Sources & methodology →- Selected-range coverage
- 0 of 30 daily indices available, 2026-10-04 to 2026-11-02 UTC. A direction is not stated without valid daily indices and both range boundaries.
- Within Playhop
- Insufficient history on 2026-11-02 UTC. Missing values are not zero.
- Source observations
- 1/31 observed dates in the ending 30-day calculation window. Coverage describes recorded dates, not continuous tracking.
- Last source observation
- 2026-11-02 UTC (day precision). This is the observation used at the selected endpoint, not the last website refresh.
- First observed in our catalogue
- 2026-11-02. This is not the game’s release date.
User ratings
Unavailable · 0 ratings
English support is declared in the game metadata. Counts may include ratings across Playhop and Yandex Games; they are not limited to English-speaking players.
Recorded rating counts
1 of 1 observations in this range. Missing values are not zero.
- 2026-11-02: 0 ratings
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