I don't know of any such cheats on the PC. I played the Xbox version (generally speaking I find jumping easier using a gamepad).

Maxos Temple platforms


Remapping the keys may help coordinating movement and jumping.
From the topic Sinister Cavern:
Originally Posted by qiote
Changed my "key" commands for the jumping, and it was a lot easier... Now, after I "play" with the chest for a bit....
Originally Posted by qiote
I move via the "arrow" keys.. I made the " / " key for jumping.....I use my left hand middle 3 fingers to move via the arrows and the little finger reaches the " / " easily.. The mouse does the rest..I've set my "hot" keys to the number pad...so everything can be done, quite easily with the left hand, all in one general area..

I left the Journal, Map and so forth, set the way they were..


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