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Rocket Engines have a similar design to Bill Blasters; however, Rocket Engines emit flames instead of Bullet Bills. The flames stay blowing for a few seconds, then stop for a while. Mario and Luigi must use this time to navigate through or around them. In addition, Rocket Engines can be mounted on either walls, floors, and/or ceilings, so their flames can blow in any direction. Tanooki Mario, in statue form, can temporarily disable the flames, but only until the next time. Besides their use on Airships, one tank within the first tank level in Dark Land was shown with a Rocket Engine, although it's position (being one of the pipe-cannons) implies that its use was closer to a flamethrower.
Rocket Engines appear in the game Mario Kart DS on the Airship Fortress level. If a player comes in contact with one, they will spin out of control on fire and lose some time. They also appear in a mission where coins have to be collected and if the player hits one, they automatically lose.
In Super Mario Galaxy, four Rocket Engines appear on the Saucer Planet of Good Egg Galaxy. Here, they act just like Bill Blasters, but shoot out a small explosion. If Mario is standing directly over the opening when it fires, he will get hurt.
Rocket Engines with blue flames also appear in the Nintendo 3DS game, Super Mario 3D Land. They appear on Airship levels, just like they did in Super Mario Bros. 3, and in some ground levels, like World 8-2. Additionally, they can now be destroyed with a Statue Leaf.
Rocket Engines reappear in Mario Kart 7 on the course Airship Fortress, where they operate as in Mario Kart DS burning the player if they come into contact with them.
Rocket Engines reappear in New Super Mario Bros. 2. They are found in several castles and fortresses.
Rocket Engines reappear in Super Mario Maker.
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