🔀 Playing this one solo
Or start a round — 10 puzzles, each a different randomly-rotating game.
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Objective
Slide cars out of the way to clear an exit path for the red car. Every car can only slide along its own row or column — the goal is clearing a path so the red car can slide all the way to the exit.
How to play
- Tap a car to select it.
- Tap a cell in line with that car to slide it there, if the path is clear.
- Clear a path and slide the red car all the way to the right edge to win.
Unblock Top 5
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Unblock
Slide the blue car out of the way, then slide the red car to the right edge to exit.
⏱ 00:00
🎉 Escaped!
🎉 Solved! Moving to the next puzzle…
About Unblock
Unblock is a sliding-car puzzle set on a six-by-six lot. A red car waits on the third row, and a blue car stands in the way. Cars can only slide along their own line, forward or backward, never sideways, and they cannot pass through each other. Your job is to free a path and drive the red car to the right edge. It is a compact lesson in thinking about obstacles.
Tips and strategy
- Start from the exit and work backward. Look along the red car's row and name every car that blocks the way.
- Check which direction the blocking car can move. A vertical car slides up or down, so see which way gives enough room to clear the red car's row.
- Tap the car you want to move, then tap the cell where you want one end of it to land. The slide works only if the entire path is clear.
- Count the cells a car needs to clear a row. A two-square car must move far enough that none of its squares remains in the red car's row.
- If you get tangled, tap Reset to put the cars back where they began, and try the other direction.
What it exercises
Unblock practices spatial planning and constraint thinking, since each car can move in only one line and blocks others. You learn to work backward from the goal, consider what each move frees up, and see how one small change affects the rest of the board.
Frequently asked questions
- How do you move a car in Unblock?
- Tap a car to select it, then tap a cell in line with that car. If the cells in between are empty, the car slides there. Tapping the selected car again cancels the selection.
- How do you win Unblock?
- Slide the red car all the way to the right edge of the board. The blue car must be moved out of the way first, because cars cannot jump over or pass through one another.
- What does the Show Hint button do?
- It reveals a short text hint describing the idea behind the solution, without moving the cars for you. You can hide it again and carry out the moves yourself.
Try next
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Knight's Tour
Move a chess knight so it visits every square on the board exactly once. A classic chess puzzle — using only legal knight moves, the goal is covering the entire board without ever landing on a square twice.
Today's Riddles
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I fall from the trees in autumn and crunch under your feet. What am I?
I hold the whole dinner but I have four legs and cannot walk. What am I?
I heat the feast while the family waits, and I have a door but no knob on the front of the house. What am I?
We cross the sea in a ship and arrive for the first harvest feast. Who are we?

