- Clear Gem - Destroy 67 crates.
This is the first of several stages located in dark ruins. Getting to its end won't be easy, as Crash will face various traps and will need to make dangerous jumps. One mistake and you can fall down to your death.
The first trap is located right next to your starting position - spears. You will also come across some crates and you will be able to bounce from one of them. Go left and face a huge serpent for the first time. These creatures will jump out of dark holes and you won't have much time to neutralize them with your Spin attack.
Keep exploring the ruins and make sure that your jumps are perfect. Soon, you will reach a small corridor presented in the screenshot. Watch out for stone blocks on both sides, as they can easily squash Crash. Furthermore, make sure to wait for the bats to pass you by, before moving to the next area. Move on and you will reach a small platform that will take you to another part of the temple.
Go deeper through the ruins and watch yourself in the location with moving poles. They will change their positions, so your jumps need to be perfect. You may stop on the middle pole as it's a safe spot.
You will need to make your way through another corridor filled with stone blocks coming from the walls. In the next part of the ruins, there is a hidden path. You can recognize it by apples hanged on the left (see screenshot). You can turn left, and make more crates "magically" appear. Run left without stopping, destroy wooden crates and get back to the main path.
Go deeper into the ruins to face some more poles. This time some of them will automatically collapse. You will also face your first spider, and the key to success is to wait for them to lower themselves and use them to bounce. You will get to a platform that will take you to another part of the ruins.
Go up and reach a location with many moving poles. Watch out as some of them can collapse. Not far from here, you will find a crate with three extra lives. Now get to the portal.