Spike's Lost City

Spike's Lost City, otherwise known as World 4-5, is the fifth course of World 4 in Super Mario 3D World. It is unlocked via completion of Beep Block Skyway or Big Bounce Byway, and its own completion unlocks Lava Rock Lair.

Layout
The level starts in a ruins area filled with Galoombas, Spikes, and upward slopes. After avoiding some more enemies and traversing a moving platform, the player reaches the Checkpoint Flag, followed by some more moving platforms. A nearby upwards slope with a Spike leads to an area with some moving platforms with spiked bars on them. After one last upwards slope, the player reaches the Goal Pole.

Green Stars

 * Green Star 1: After the stamp, there is Warp Pipe that leads to an area where the player has to activate all the Flipswitch Panels to reveal the green star.
 * Green Star 2: After the checkpoint, the must use the Cat form to climb a large curved wall to find the second green star.
 * Green Star 3: After the second green star, the third green star is in plain sight on a tilting platform.

Stamp

 * At the very beginning, the player must use the Cat form to climb a wall left of the three Spikes to obtain the stamp. The stamp is a Spike.

Enemies

 * Spikes
 * Galoombas

Trivia

 * Chargin' Chucks were supposed to appear in the level, but were removed in the final version.