Case

Case or Cage' is a gimmick that appeared in Sonic Heroes, Shadow the Hedgehog Sonic the Hedgehog and Sonic Generations.'' It is simply a variant of the Containers and it serves as a recurring object in Sonic the Hedgehog Series.

Description
Case is a container built with highly advanced technology. the Case's appearance has changed overtime, however it's purpose is the same which is to give the player objects that helps him reach his goal in the stage. The Case is always seen locked and needs a key or destroying some enemies to open it.

Sonic Heroes
Case first appeared was in ''Sonic Heroes. ''In this game there are two different types of Cages. The most common one is the big iron container, from the below of the cage there is an oblong attached with columns that surrounds the contained object in square form and the columns are attached to a big oblong from the top. When they are activated, they will rise down leaving the player to collect or use the objects that they are guarding. Those cages can be seen containing Goal Rings, Chao, Power up item, Warp Flower, Power cores and switches too. The other type is an dynamite-like object that is usually seen to be attached to a rising platform that cannot be activated until destroying this object, sometimes they can also be seen attached to an electronic road that the player must destroy the robots that are controlling this cage to destroy the cage and activate the road. Sometimes they can control the Spinning Platforms that helps the player reach higher areas. This dynamite- like objects can only be seen in Grand Metropolis and Power Plant stages, but the iron containers can be seen in almost every stage in the game.

Shadow the Hedgehog
In Shadow the Hedgehog, this gimmick has been changed slightly and there are new types of Cages that are red shinning hourglass-like container that can be considered as one of Black Arms inventions, and there are also the regular types that are look like the Cases that appeared in Sonic Heroes, but are green with GUN symbols in the below and the top of the Case. Like the previous game, those cages can only be opened by destroying enemies or finding a switch.

Sonic the Hedgehog (2006)
In Sonic 06, there are one types of the Cases that are small cubic containers built from blue lasers that surround the contained object, with 4 red line that look like the ribe of a cube. They are usually used for guarding a switch that can turn off lasers and also open doors. Like the previous games, those cages can only be opened by destroying enemies or finding a switch.

Sonic Generations
In Sonic Generations, this gimmick is only appeared in Challenge Acts and they have the same design that appeared in Sonic the Hedgehog (2006). They can be used for reaching areas or guarding objects and the player has to find the correct switch to open the Cases or by defeating enemies.