Explosion Trap

Explosion Trap  is a gimmick that appeared in Sonic Generations. it is simply a small hole on the ground that flames burst from it.

Description
Explosion Traps are very similar to Explosive Platforms, however they are regularly small holes on the ground that flames came out from it. Between specified time, a small flame will come out and then a big flame appear from it for a short of time and then stop. These traps are very dangerous and can hurt the player when touched and make him lose his rings. The player cannot be hurt by them by two things that keeps him invulnerable by their flames which are either Super Sonic or having the Flame Shield. They are only appeared in Crisis City.