I was playing this game and I was also worried about this issue. The border of the insanity game is one of the best Zombies game. You can not move before picking up Jackie. You can pick up Jackie using E.
PICK UP Jackie - E
You can check other keys-
Controls for Border of insanity game -
WASD or arrow keys to move
Left-click or ctrl to shoot
R to reload
E to pick-up item
Shift to sprint
Space bar to jump
Tab to open menu
This is stunning 3D graphics and objects that can give a realistic feeling.
You can download border of insanity for Windows 98/XP/Vista/7/8/10
You can download the border of insanity game and run on your PC.