What are some alternatives?
When comparing Vapor — LÖVE Distribution Client and Gamefly, you can also consider the following products
Steam - Steam is the ultimate destination for playing, discussing, and creating games.
Gaikai - Gaikai is a company which provides technology for the streaming of high-end video games.
Origin - Origin is your new digital playground. It’s where you go to find the best that EA has to offer.
Playfire - Playfire is the global community for gamers.
StreamMyGame - With close proximities to OnLive, StreamMyGame doesn’t work like it, but it allows users to play whether Windows-based games they have on their systems from anywhere in the world on their Windows as well as on Linux system.
GOG.com - DRM-free game store, selling both new and old titles. No clients required.