Players that are trying to reach 100% completion of Super Mario 3D World will need to collect three Green Stars and one Stamp from the Bowser's Lava Lake Keep level. While these collectibles are not extremely difficult to find, some of them can only be obtained with the help of certain powerups. Detailing these requisite powerups is the precise purpose of this guide, and fans that read on should have little trouble grabbing the Green Stars and Stamp in Super Mario 3D World's Castle-Castle.

The first Green Star in this Super Mario 3D World level is very near to its beginning, and it is hovering just above the lava to the left of the first Fire Bar. To reach it, players simply need to jump to the wall that is across the lava, slide down until they come into contact with the Green Star, and then quickly wall jump back and forth until they have returned to the platform with the Fire Bar.

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The second Green Star in Castle-Castle is above the drawbridge that Super Mario 3D World players will lower by activating a hidden P Switch, and there are two ways to easily reach it. The first approach is to use a Cat Suit to climb the raised drawbridge, or the adjacent wall if the drawbridge is already down, and then grab the Star. The second is to activate a Tanooki Suit and wall jump to the top, using the raised drawbridge and the adjacent wall as points of contact.

Players will find Bowser's Lava Lake Keep's final Green Star hovering about the lava just past the level's checkpoint. To grab it, fans will need to throw a Boomerang, and a Boomerang Flower can be found not far beyond this Green Star in Super Mario 3D World. More specifically, players should continue forward until they reach a solid metal square on their path, and then jump to reveal the hidden powerup.

The Stamp in Castle-Castle is back by Green Star #2, and it can be obtained without any powerups. Simply, players should perform a series of wall jumps above the P Switch that lowers the drawbridge, and they will find the Stamp when they reach the top. All that is left to do at that point is jump into this Stamp in Super Mario 3D World in order to add it to a fan's collection.

Super Mario 3D World + Bowser's Fury is out now, exclusively on the Nintendo Switch.

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