Squish 'Em Atari 2600 Screenshot

Game: Squish 'Em
System: Atari 2600
Squish 'Em Atari 2600 Screenshot: Doesn't look like I have any way to climb...how do I continue here?
Doesn't look like I have any way to climb...how do I continue here?
There are 3 screenshot groups on file for Squish 'Em:
Atari 2600
ColecoVision
Commodore 64