From the top picture it seems the collision-mask isn't straight at the left side, so it seems logical the sprite gets stuck.

You could

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Because I can't imagine this question not being asked before.

What you could try is use more variables.

CurrentScore

TotalHighscore

and a levelhighscore for each level

Where you add 1 to currentscore at brick destroy

add 1 to level1high if currentscore is higher than levelhigh1

and set totalhigh to level1high + level2high + level3high etc.

on layout reset and new layout, reset the currentscore to 0

A simple timer to display the remaining time in minutes and seconds.

Also resets the time on restarting layout.

Commented capx.

Simple timer capx

I put this here, because the question seems to reappear every now and then in the "How do I....?" section and I myself haven't found a clear fully working example anywhere.

Simple example of a working timer

If you make everything density 1 and disable collisions with shock1 it's even better.

Maybe play around with the car density a bit..

One thing you should immediately change is this:

• the tires use collision polygon - set them to circle in physics behaviour

Without the capx it could be any number of reasons.

Providing the capx is always the fastest way.

By the way if your sprite is 1500x1500, there's a big chance it will be loaded as power of two, which means it will take up 2048x2048x4 = 16.8Mb

64x64 128x128 256x256

that's power of two.

a sprite of 1500x1500 will use 9Mb of RAM during game-play.

so when all your sprites are loaded into RAM they will take a lot of space.

Use your available ram wisely!

If you'd share your capx, someone could probably help you.

I'm sure you've already read the tutorials about optimizing your game and done all the things in them before asking this question.

If you don't want to change anything, don't expect the game to suddenly start working correctly.

Have you looked in your export folder to see how the sprites are?

Are they power of two sized?

You know the problem is the large sprites? Change them!

There is no reason to use sprites that large if your project viewport is smaller than that.

It might take some events to run as expected, but if someone is interested, you should look into that.