Mini Desert II

This is FIXED VERSION.
STORYLINE
The Z bots invaded the desert.
B: I'm so tired.
Z: Hahaha! Here's mine!
After something, B found a new friend.
B: Hi! What's your name?
R: R.
B: Hmm. My name is B.
R: What you want, dear B?
B: To get out of the desert. So what you want, R.
R: To go to the cave.

Short and fun
But something is a little hidden

Thanks @Lang Tao Jin for P, C and R.

Not so fond of zapper dodging and hidden stuff but I like the

Spoiler

tilted budgeable

Thanks for sharing @Mekob123

Thanks @mastersifu for P, C and R.