- There are now 7 difficulty levels in the options menu (up from 5), and the highest setting is now more dangerous than before.
- Text speed can be set to "instant" in the options menu
- A new "extended" interface can be selected from the options menu. This makes allied portraits visible across the top of the screen which can be tapped or dragged from as proxies for your heroes.
- Arena currency gains no longer completely plateau, but continue to gain linear improvements, leading to increased earnings at higher waves.
- Currencies are now capped at 1 million to prevent numbers from getting too high to process correctly.
- Bonus Wealth/Knowledge from items caps at a (very generous) 200%, to prevent absurdly high currency gains.
- Costello's "Ready to Rock" talent now properly reduces the cooldown of Inspire.