Bus Traffic Fever Level 21 Guide: The First Slot
Level 21 keeps the first slot busy for the whole run. Dispatch yellow first, follow green and red, then the second yellow, and finish with purple and green.
The First Slot in Level 21
A level where the first parking slot does most of the work. The queue runs yellow, green, red, yellow, purple, and green, and keeping that slot matched to the front color is the whole puzzle.
Step-by-Step Walkthrough
First Moves: Open With Yellow
- Yellow is first — clear the yellow group.
- Green follows, so take the green group.
- Red comes next; board the red group.
Midgame: Return to Yellow
- Yellow returns, so free the yellow bus again.
- Purple is queued — clear it.
- Re-read the front for the closing green.
Finishing: Close With Green
- Green returns last to close the level.
- Confirm no group is left waiting.
- Finish once the level is empty.
Verified Video Walkthrough
Work the slots in order — yellow, green, red, yellow, purple, green — and keep the first slot matched.
Parking a bus in the first slot whose color is not up, which blocks the next color that needs it.
Pros and Cons
Pros. The busy first slot keeps the whole run moving smoothly.
Cons. Relying on one slot means a single wrong park stalls the sequence.
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Bus Traffic Fever Level 21 FAQ
How do I beat Bus Traffic Fever Level 21?
Manage the first slot by clearing in order: yellow, green, red, yellow, purple, green.
How does the slot order work in Bus Traffic Fever Level 21?
Each dispatch opens the next slot, so serve the queue, yellow, green, red, yellow, purple, green, and slots free in sequence.
Why do my buses jam in Bus Traffic Fever Level 21?
Because a bus went to the wrong slot. Match the front group's color and the jam never starts.
Which do I serve first in Bus Traffic Fever Level 21, the slot or the bus?
The bus, specifically the one matching the front group. Yellow opens this level.
Is Bus Traffic Fever Level 21 a good warm-up for later slot boards?
Yes. It brings the slot-opening rule back gently so you can lock in the queue-reading habit.