On PC, you can technically "mod" your own game to unlock all heroes early by editing local files: Open the program on your PC and type %appdata% .
Use tankier heroes like Gerald Lightseeker to hold enemies at a specific "kill zone" while your artillery rains down destruction. kingdom rush mod all heroes unlocked
If you are looking for descriptive text or promotional copy for a " Kingdom Rush Mod: All Heroes Unlocked On PC, you can technically "mod" your own