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Stage 9: Kinetic KillWall + ledges

Course progressStage 9 of 10
~35 min
Before you start

Make sure the spinner is beatable and Stage 9 respawn works.

Build

a hallway with a sliding wall and ledges

Learn

how an alternate route can make a hard obstacle feel clever

Ship

a moving-wall hallway with more than one way through

The big idea​

Players like feeling smart. A sliding wall creates pressure. Ledges create a clever path around it.

New words
alternate route
a second way through a challenge
sliding wall
a wall that moves back and forth
ledge
a small platform sticking out from a wall

Build it​

Step 1 — Build the hallway​

Build this part

HallFloor

Block
Open recipe
Size
16 × 1 × 40
Color
Dark stone grey
Material
Concrete
Anchored
✓ Yes
Build this part

HallWall_Left

Block
Open recipe
Size
1 × 10 × 40
Color
Medium stone grey
Material
Concrete
Anchored
✓ Yes
Build this part

HallWall_Right

Block
Open recipe
Size
1 × 10 × 40
Color
Medium stone grey
Material
Concrete
Anchored
✓ Yes

Step 2 — Add the sliding wall​

Build this part

SlidingWall

Block
Open recipe
Size
10 × 10 × 2
Color
Really red
Material
Neon
Anchored
✓ Yes
Place
Across the hallway

For the younger path, move the wall by hand between tests or ask your coach for a helper script. The main goal is to design the hallway so the wall is readable.

Step 3 — Add ledges​

Add two small ledge parts:

  • Ledge_1 on HallWall_Left before the sliding wall
  • Ledge_2 on HallWall_Right after the sliding wall

Make them wide enough to stand on. They are the clever route.

Step 4 — Add the Stage 10 checkpoint​

Place the Stage 10 SpawnLocation after the hallway. Add StageNumber = 10 and the matching Team.

Understand it​

The wall is pressure. The ledges are a plan. When a stage has a plan, players feel clever instead of stuck.

Try this​

Learning beat

Try this

Three short experiments. Predict before you run, then test your guess.

Predict first

If the ledges are too small, how will players feel?

Compare

Test the hallway with and without ledges. Which version is more fun?

Connect

Where else could you add a secret or clever alternate route?

Test your stage​

  • The hallway is clear.
  • The sliding wall blocks the obvious route.
  • The ledges create a fair alternate route.
  • Stage 10 checkpoint works.

If it breaks​

  • The ledges are too hard. Make them larger.
  • The wall blocks everything. Move it so there is always a fair path.
  • The stage feels confusing. Add colored arrows or lights.
Coach notes

If the group is ready, add a tween script for SlidingWall. If not, keep the wall as a placed obstacle. The age 7-10 win is route design, not animation syntax.