Cheat: Complete Story Mode:
The code is Treyarch backwards which is HCRAYERT. It gets your 40% ahead, starts you off with 200,000 hero points and also a few upgrades.
Hint: Last Speed Upgrade:
To get the 8th speed upgrade you must get up to the 16th chapter and defeat it. When the new chapter starts get 50,000 hero points and go to the shop. Swing upgrade 8 should be there unless you haven