In software (especially gaming, emulation, or CAD), a "sleeve" might be a custom UI skin. "Shock" could be a visual effect. "Download" is obvious.
The developers release monthly content updates, such as the April Update which concluded a major story arc. System Requirements (PC)
According to TheLastGame , the minimum requirements for a stable experience are: Windows 7, 8, or 10 (64-bit). Processor: 2.0 GHz Core 2 Duo. Memory: 2 GB RAM. Storage: 500 MB available space. Sleeve Shock on Steam
