Crawl on wall faster:
Get on a wall and begin crawling and jumping at the same time. You will climb up the wall faster. This is useful when you face Puma.

Extra health:
Make a backup copy of the files. If you have not saved the game yet, start a new game and play until you can do so. Use a text editor to edit the "gamestat.ini" file in the "spider-man 2system" folder. Locate the line:

MaxHealth=100 // 200 is upgraded value
and change it to

MaxHealth=1000 // 2000 is upgraded value
Save the modified file, then use a text editor to edit the "game?.ini" file in the "spider-man 2system" folder that corresponds to your saved game. Locate the line:

Health=100MaxHealth=100
and change it to:

Health=1000 MaxHealth=1000

All spiders and prisoners:
Make a backup copy of the files. If you have not saved the game yet, start a new game and play until you can do so. Use a text editor to edit the "game[number]" file in the "spider-man 2system" folder that corresponds to your saved game. Delete all the spider and prisoner information. Save it and play the game with all prisoners and spiders.