What are some alternatives?
When comparing Lenka and Overwatch, you can also consider the following products
Carbon - Create and share beautiful images of your source code.
Team Fortress 2 - Team Fortress 2 (TF2) is the sequel to the game that put class-based, multiplayer team warfare on...
Hueless - High-quality black & white photos from your phone
Quake - Quake is a series of first-person shooter video games released by id Software.
RNI Films - Real film filters for iPhone photographers
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.