Controls

Start - Click on screen (KnownBug: You may have to click around the scene multiple times)

Move - WASD

Jump - Spacebar (or 2x)

Break - Hold down LMB (left mousebutton) on greenlit item until it breaks

Throw - Hold down LMB after item break until your arm raises to its peak and release LMB

Cancel Throw - Click MMB during a throw

Backpack Items - Hold down LMB after item break until your arm raises to its peak and click RMB

Select Backpacked Items - MouseWheel

Sprint - Hold down shift while moving (wasd)

Menu - M or Esc (KnownBug: Pressing 'm' or esc too quick after start swings the camera wildly)