Quick answer
Find the complete bright line and both of its endpoints before opening the crossing. Compare the linked recording for the release order, keeping the red character away while the line crosses its intended route. Three near-horizontal glowing beams cut across an S-shaped sand opening, with a red ball and a rock between the middle and bottom beams.
- Level
- Level 172
- Difficulty
- Normal
- Objective
- Guide the red character to the green creatures in level 172, keeping each separated pocket reachable before the last drop.
Video walkthrough

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Step-by-step
Locate the red ball and every green creature before cutting. Keep the starting support until the route below is ready.
Find the complete bright line and both of its endpoints before opening the crossing. Compare the linked recording for the release order, keeping the red character away while the line crosses its intended route.
Prepare the boulder route separately from the ball route. Open only the support needed to move the boulder into its useful position.
Round the bottom of the turn instead of leaving a sharp corner. A smooth floor helps the ball follow the bend.
Check the full target route after the last movement, including pockets above the final drop. If a creature remains, identify the earliest turn that missed it and change that local approach on the next attempt.
Tips
- Check the bright line before each release, including the return path. A route that is safe in one visible frame can change when surrounding objects move.
- Leave the rock’s support until its destination is ready. Removing it early can occupy the same narrow landing needed by the red character.
- Keep a shallow outer wall around the bend. It gives the red character a surface to follow instead of allowing a free fall past the pocket.
Common mistakes
- Opening the final outlet before checking higher target pockets can leave a creature above the character with no route back. Inspect the side entrances before making that irreversible drop.
- Removing several supports in one swipe makes the release order unpredictable. When a moving piece occupies the route, wait for it to settle before changing nearby sand.
Frequently asked questions
What should I check at the bright-line crossing?
Three near-horizontal glowing beams cut across an S-shaped sand opening, with a red ball and a rock between the middle and bottom beams. The crossing depends on the visible line and the positions of nearby objects. Compare the moment just before release in the recording. If your board differs, hold the starting support instead of assuming the same crossing is safe.
How do I keep the loose rock from blocking the route?
A loose rock can settle across a passage that previously looked open. Check where it will stop relative to the next target, then separate its release from the red character’s arrival. This is a timing problem as well as a tunnel-shape problem.
How do I keep the character in the curved passage?
An abrupt corner can redirect the character away from the next pocket. Keep the bend connected to its receiving floor; when the first attempt misses, adjust the approach angle rather than deepening the entire chamber.