Hidden object games are a standard feature for highlights magazine. It is a big part of their business. They have the hidden object games also availabe online.
Discover Magazine - 1996 Hidden Temples was released on: USA: 15 October 1999
hat
Easter egg
Fee Schedule
Hidden Street database usually known as hidden database on the online games. It is contains many hidden feature such as hidden tools, equipment or power combo.
Hidden picture games are fun to do. These games will usually have the answers on the pages toward the back of the book or magazine.
easter eggs
There are some. President plays Spec Ops magazine on Underground magazine stand. EDIT: Do not forget hidden teddy bears scattered across hidden areas of certain multiplayer maps. I believe WoodysGamertag did a video about them ENJOY!!!!!!!
No, "hidden valley" typically refers to a geographical feature or a specific location rather than a term for unseen valley flashing. In the context of lighting or visual phenomena, valley flashing that is not visible would not have a standard term associated with it like "hidden valley." The concept of hidden or unseen elements usually pertains to various fields but doesn't specifically relate to valley flashing.
Brotherhood of the Rose
It is normally called a "magazine", not to be confused with a gun magazine, although they are derived from the same source. A group of weapons can also be called a cache, especially if they have been hidden
No. That is a feature in Ruby/Sapphire/Emerald only.