Google "Adblocker Sentinel" and you'll notice how this extension is marked as malware. Obviously this is not gamehag's fault, and I my guess is they don't know. Unfortunately, this doesn't make the extension any better. Just read about it and be sure you're absolutely ok with what it does.
When I submit it it doesnt work I am not sure if its a bug or something
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!
Doesn't work, submitted twice, once after having for a day, second after almost a week and neither got accepted.