Sewer Warps, also referred to as Rapid Transports, are gimmicks that appear in the Sonic the Hedgehog series. They are a type of transport devices set on the background walls in certain levels, which can transport the player from one section to another.
The Sewer Warps are basically hatches on the walls. For each level, the Sewer Warps' design and appearance will match that of the surrounding environment, possessing different shapes and types of hatches. The Sewer Warps in Toxic Caves/Toxic Pools even show tongues after their usage.
In gameplay, when the player gets in front of a Sewer Warp, it will open and pull Sonic inside of it before closing. Sonic is then transported to another Sewer Pipe in another section of the level, where it opens up and deposits him in that location. Regardless of their usefulness though, it is only certain Sewer Pipes that can transport Sonic; those Sewer Pipes that serve to deposit Sonic when using a useable Sewer Pipe cannot be used for transport. If the player tried to use them, they will just drop Sonic back into the arena.
Sonic the Hedgehog Spinball
In gameplay, several Sewer Warps only function if the player has activated certain targets close by though. In The Machine, many Sewer Warps are located inside high-speed warp tubes. Also, besides helping the player, the Sewer Pipes also serve another role; in the steam areas of Lava Powerhouse, numerous Cluckbirds emerge from Sewer Warps and fly around the section.
Sonic Spinball (8-bit)
In gameplay, besides helping the player, the Sewer Pipes also serve another role; in the steam areas of Lava Powerhouse, numerous Cluckbirds emerge from Sewer Warps and fly around the section.
- In The Machine, depending how much the player has progressed in the level and how many Chaos Emeralds there has been collected, after losing a life, the Sewer Warp on the center ceiling of the lower pinball arena will transport the player to certain section where the player can continue without needing to reach to the section separately.
- In Sonic Advance, there are void-type obstacles in Casino Paradise Zone akin to the Sewer Warps, which can transport the player to another section.
- The title is seen on urgent orders at upper part of in-game screen, when the player enters the object.