Has been like that for a long time. They don't give a d.
Kinda sad...
Btw, they will likely remove this, like all discussions about it before. That's why people don't even know it has been broken for a long time.
Would be nice if they would invest the time into fixing, instead...
it worked for me after making my steam username all 1 word
its works already
in 3 steps
Choose the game that interests you and play itfor free.
Every game has some quests for which you will receive Soul Gems.
You can exchange your Soul Gems for Steam Wallet top-ups, game keys, CS:GO Skins and other rewards.
You know that on Gamehag you can get real rewards for free, right? Join us, complete walkthrough and get your chest!
Steam daily chest is not working anymore, I'd suggest fixing this or removing the chest from rewards.