I think the results of the contest are declared after the contest is filled with the required number of members so it doesn't depend on number of users in it
I have participated in only one contest until now and I won it!!!!
i do not think it is really smart to play these contests it is just like gamble
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!
I myself have never won anything yet