Sigma 4.15 is available as a free download on our software library. The program is included in Games. SIGMA.exe, DIRECT.exe, SIGMA PhotoPro5.exe, Sigma Play.exe or SigmaLite.exe are the common file names to indicate this program's installer.
The latest version of the software is supported on PCs running Windows XP/Vista/7/8/10, 32-bit. This free software was originally produced by Alan Thorn. The following versions: 3.4, 3.0 and 2.0 are the most frequently downloaded ones by the program users. Our built-in antivirus checked this download and rated it as 100% safe.
From the developer:
Sigma (18MB) is a mini-adventure. As a traveller who's awoken inside a strange compound, and with nothing but a letter to guide you, you must explore the environments with a hope to discover both your identity and that of a enigmatic creature or organisation known only as Sigma .
You may want to check out more software, such as SIGMA Photo Pro, Sigma Data Center or SIGMA Capture Pro, which might be related to Sigma.