Blizzard Entertainment released some important details about its #BlizzGC2015 Social Media Contest --  especially about the prizes of the contest, including a free trip to Gamescom 2015 in Cologne, Germany, on Aug. 5. Read on to learn more about it. reports that starting on Monday, June 22, Blizzard give out a special hashtag every week for participants of the #BlizzGC2015 Social Media Contest. The special hashtags will have a particular theme. Those who want to join the contest are asked to use their creativity to show what the theme means to them.

Below is a list of the #BlizzGC2015 Social Media Contest weekly hashtags/themes:

1. #Friends (June 22-28 Week)

Entries can include fun memories of playing any of Blizzard Entertainment's games with friends.

2. #Epic (June 29 to July 5)

Epic moments encountered as a gamer during any of Blizzard's games can be submitted.

3. #Fun (July 6-12)

Using this hashtag, participants of this contest can submit entries that depict how they embrace their fun side.

4. #Battle (July 13-19)

Contest participants can submit entries showing some of the toughest battles they've had to face.

5. #Cute (July 20-26)

Entries during this week should show the cute side of Blizzard's games.

6. #BlizzardIRL (July 27 to Aug. 2)

IRL stands for In Real Life. This particular hashtag should be used with entries that show how participants have experienced Blizzard in the real world.  

Contest participants can write, sculpt, draw, paint, dance, act, pose, bake, stitch or film something and then share it on several social media sites, including Facebook, Instagram, Twitter and Vine. They need to attach the special hashtag of the week and #BlizzGC2015 in their entries. They can draw inspiration from Blizzard Entertainment's games, including "World of Warcraft," "Starcraft II," "Hearthstone: Heroes of Warcraft," "Diablo III," "Heroes of the Storm" and "Overwatch."

Every week, there will be a random drawing for 45 winners who will receive digital rewards. Keep in mind that some of these digital prizes cannot be redeemed in all regions. Physical prizes will also be awarded to the grand prize winner and the winners who will be selected as part of the top 10 submissions from all entries.

During the contest's final week (July 27-Aug. 2), the winner of the grand prize will be chosen from the favorite entries. There will be vote on who gets to win the trip to Gamescom 2015 in Cologne, Germany. Click here to learn more about the #BlizzGC2015 Social Media Contest.