Home / Games / MOLEK-SYNTEZ
MOLEK-SYNTEZ
Use the MOLEK-SYNTEZ to create small molecules with various pharmacological effects from the comfort of your small Romanian apartment.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“Gonna have an amazing dream tonight, then all of a sudden it'll turn into a horror- where a zach solitaire game comes in outta nowhere”
— a player, Steam review · 26 hrs played“Maybe it's my previous attachment to organic chemistry, but this game is just so charming to me through all its simplicity.”
— a player, Steam review · 10 hrs played“like that alchemy game but with chemistry”
— a player, Steam review · 1 hrs playedAchievement 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.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-25. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
UPDATE: Miscellaneous fixes
Today's update includes the following changes: Fixed an issue where the mouse would sometimes be misaligned on Macbooks. Changed histograms to pull from a local file rather than our live histogram ser
Last Call BBS - The last game by Zachtronics!
Boot up your Z5 Powerlance and dial into Last Call BBS , the last game from Zachtronics! The Barkeep’s loaded up his retro computer with a full set of puzzle games for you to download and play. No nee
UPDATE: Fixing an issue with M1 Macs
Today's update fixes an issue where the game would fail to start on Macs with the new M1 processor.
UPDATE: Fixing the crash handler
Today's update fixes our crash handler to point to a new URL. Nothing else should have changed.
UPDATE: Bug fixes
Today's update fixes a bug where the mouse cursor was blurry when using the "full" pixel scaling option. It also adds part rotation to the controls listing.
Games like MOLEK-SYNTEZ
From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.
SpaceChem
93.4% · 3,411 reviews
shares Programming, Science, Automation, Logic
while True: learn()
88.4% · 3,617 reviews
shares Programming, Science, Logic, Puzzle
Infinifactory
95.0% · 1,976 reviews
shares Programming, Automation, Logic, Puzzle
TIS-100
96.9% · 3,074 reviews
shares Programming, Automation, Logic, Puzzle
Human Resource Machine
91.9% · 2,363 reviews
shares Programming, Automation, Logic, Puzzle
SHENZHEN I/O
94.5% · 2,778 reviews
shares Programming, Automation, Logic, Puzzle
Opus Magnum
97.1% · 4,213 reviews
shares Programming, Automation, Logic, Puzzle
EXAPUNKS
94.7% · 1,559 reviews
shares Programming, Automation, Logic, Puzzle
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Indie, Simulation |
| Player tags | Simulation · Puzzle · Programming · Indie · Singleplayer · Science · Automation · Logic (SteamSpy community voting) |
| Features | Single-player · Steam Achievements · Steam Cloud · Steam Leaderboards · Family Sharing |
| Languages | English |
| Achievements | 6 |
| Estimated owners | 200,000 – 500,000 (SteamSpy) |
| Official site | http://www.zachtronics.com/molek-syntez/ |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS *: Windows Vista / 7 / 8 / 10 Processor: 2.0 GHz Memory: 4 GB RAM Graphics: 960 x 540 DirectX: Version 11 Storage: 150 MB available space