Hello,

Owner of +300 games on my Steam, I regularly ask myself:
"What game I should play?".

Choice paralysis is a real thing.
A lot of us can feel overwhelmed by the sheer amount of games they own (through bundles, etc.).
Especially when we have Steam accounts that are 10+ years old.

A possible easy solution: adding a dedicated button inside the steam client.
__ ___
| |
Play a RANDOM game
| |
‾‾‾ ‾‾‾‾
or
__ __
| |
Play a RANDOM
installed game
| |
‾‾‾ ‾‾‾‾

Pros:
- It's not that hard to add inside the steam UI. It can fit with the current design.
- It provides more chances for small game studios to be noticed by an audience, usually captivated by the same 5 or so games
- You could even add the ability to filter/restrict the randomness ("Play a random FPS", "Play a random RPG", "Play a random RTS", etc.)
- It can be marketed as a feature to help retain long-term Steam account owners that are transitioning on other clients (Origin, Xbox, battle.net, etc.) with the pleasure to rediscover their own library


-> Remember, it's easier to be told what to do, than to choose by yourself :)

Hope this idea echoes with you guys. And some devs add it in the next roadmap.