Added "Clear All" button to menu that clears scene of all spawned NPCs, items etc
Added Delete objects / NPCs via keyboard "Delete" Key
Added Confirmation prompts to "Clear All" and "Quit"
Added "Escape" keyboard key usage to deselect NPCs
Added Q / E keyboard key usage to raise / lower camera position
Added Initial Help control scheme window
Destruction Dummies Version 1.4a Update
Source: Steam Community (opens in a new tab)