In order to be able to use the cheats below, you first need to collect hidden Pivots. When you get a new Pivot, you can then go to the Options menu to activate the cheats.

Made of Steel: Invulnerable
Infinite Ammunition: Infinite pistol and arrow shots
Season Changer: Allows you to switch seasons between summer and winter
Weather Man: Allows you to set current weather conditions
Thunder Kill: Thunder and lightning follows every kill
Sun and Moon: Allows you to switch between day or night
Semi-Automatic: Ranged weapons have no reload time between shots
Killing Spree: Allowed to assassinate enemies even while not in stealth
Recruit: Unlocks infinite recruit tokens
Ninja: Enemy AI disabled, they will not see or hear you