Rewarding gold is one of the most common ways in online virtual world. Players get the virtual money from finishing the quests and then use the money to equip the avatar with more advanced items for advanced quests.

We can reward some rare or special items to the players. For easy quests, the items can be common ones that are available all over the virtual world. For advanced quests, the rewarding items can be unique or rare to encourage players to challenge the difficult quests.

In the Fantastic Age virtual world, players can buy stickers and collect a set of special stickers by finishing quests. These stickers are in various forms that players will spend their time collecting set by set in the virtual world.

If there is an avatar advancement system in the virtual world, we can reward the players some experience on the avatar. The avatar can have improvement on the attributes after finishing each quest so that the avatar can challenge more advanced quests.

In the Survival Project, a Korean online virtual world, players get experience rewards to advance to a higher level that is able to equip advanced items.