Click on the categories to open them.
Click on a button to spawn in the object it says.
Hover your mouse over a button for a few seconds to see its description.
Hover your mouse over a unit to view its stats.
Drag objects to move them
Drag them off-screen to delete them.
R to restart the scene.
Z to apply effects from the effects editor to all units.
Right-click on a unit to apply effects from the effects editor
Arrow Keys to move controllable objects.
Double-click to revive the dead.