Ruination

Ruination (からくりの はいきょ lit. Ruins of Mechanism in Japanese) is the nineteenth level and is the fourth level of the fourth warp room in Crash Bandicoot 2: Cortex Strikes Back and the N. Sane Trilogy remaster of the second game. This level follows a theme similar to Road to Ruin.

Level design
Unlike Road to Ruin, Ruination takes place during a thunderstorm in an ancient set of ruins. Crash travels along a path full of stone structures such as rotating pillars and giant statues carved out of rock. This level is filled with many different perils, including platforms that rotate and fall when Crash steps on them. There are also a wide variety of enemies in the level including possums, cyborg lizards, monkeys and gorillas that throw logs at Crash.

Walkthough
 Crash Bandicoot 2 Beta, Part 26 Ruination Ruination - Both Clear Gems - Crash Bandicoot 2 Cortex Strikes Back - 100% Playthrough (Part 25) Crash Bandicoot 2 - "Ruination" 1st Gem and All Boxes (PS4 N Sane Trilogy) Ruination Platinum Relic - N-Sane Trilogy-2 

Enemies and obstacles

 * Possum - These possums will appear abundantly throughout the level, and usually remain motionless when Crash comes across them. He can defeat them easily by spinning them away or jumping on them. Sometimes, they will appear on rotating platforms, making it harder to avoid them and jumping on the platform at the same time.
 * Monkey - These monkeys will attack by jumping back and forth along the path. They are usually seen jumping over nitro crates and TNT crates. Crash can defeat them by jumping on them while they are on the ground or spin them away.
 * Lizard - These lizards simply walk back and forth, causing Crash to lose a life if he touches one of them. They cannot be defeated with Crash's normal spin or jump because of the frill they have, protecting them, but rather by sliding into them.
 * Gorilla - These gorillas attack Crash by throwing logs at him. He can avoid these logs by either spinning them away when they approach him, or by jumping over them. Crash can defeat the gorillas by spinning them away when he gets close to them.
 * Fire-Breathing Tiki - These statues attack Crash by venting flames out of their gaping mouths. Crash can avoid them by either jumping over their line of fire or by waiting until they momentarily cease their fire breath. Some of the tikis pan across the pathway, while others are face one direction and are still.

Translation of Aku Aku Hints in the Japanese Version

 * Papa Bear broke the planks and sank. Fall down there intentionally, don't be afraid.

Trivia

 * As shown in the E3 preview video, this level used to have a stone signpost, which rose from the abyss, showing an "easy" and "hard" path. Although the signpost has been removed in the final release, the code and data for it still remain in the game's files and is completely functional. The "hard" path likely became the green gem path.
 * In the original PlayStation version, this level's gem path is accessible without the green gem by doing a glitched high jump: pressing while moving right then quickly pressing  +.
 * This is one of only four levels in the Crash platforming series from Crash 2 onwards that has more crates on the bonus path than the main path, the others being Night Fight and Spaced Out, also from Crash 2, and Drip, Drip, Drip from Crash Bandicoot: The Huge Adventure.
 * In the original PlayStation version, it is not necessary to activate the first Switch Crate, as it only causes a bunch of Nitro Crates to appear. Crash can hit the Nitro Switch Crate at the end of the level and the inactivated Nitro Crates will count towards the crate tally nonetheless. Returning to this Switch Crate and activating it afterwards does nothing as the Outline Crates have gone.
 * In the Crash Bandicoot N. Sane Trilogy, however, the Switch Crate will need activating or else the inactive Nitro Crates will not be triggered once the Nitro Switch has been hit, thus backtracking to activate the Switch Crate after the Nitro Switch will cause the Nitros to be present.
 * Originally, the Nitro Crates that appear after activating the first Switch Crate were normal crates. Also, the Nitro Crate that appears behind the first four crates was also a normal crate. This can be seen in the beta version of Cortex Strikes Back, but this was switched with Road to Ruin.
 * On the original PlayStation version, the monkey jumping on the collapsible platforms near the bonus platform will float in mid-air where the platform was if it has fallen. In the N. Sane Trilogy, the monkey will fall to its death if it tries to do the same.
 * This level has the most crates in any bonus round in the game, with 49 crates.
 * It is also tied with Snow Go for the most standalone Aku Aku masks (masks not located inside of a crate) in the game. Both have three.
 * The warp room at the beginning of the level has bugged collision detection. If Crash slides towards the camera (away from the level) to a location slightly to the right of the warp pad, Crash will begin crawling without being held (similar to if Crash was under unbreakable crates). Crawling towards the level will cause Crash to fall through the floor.
 * The ending warp room is also unique; unlike every other warp room in the game there is a hole in the wall which allows Crash to look at the background of Ruination. Additionally, rain can still be heard in the warp room, unlike the end of Turtle Woods. These details were removed in the N. Sane Trilogy.

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