- You're Trapped In A Creepy House And You Need To Escape Through The Main Door. - Be Careful.. You Aren't Alone, The Place Is Swarming With Invisible Walking Skeletons. - You Can't See Them, And They Can't See You Too. - If You Get Really Close To Them... They Will Hurt You. - You Can't Fight Them, You Need To Avoid Them. - However, You Can Use Your Charged Laser To Find And Detect Those Skeletons For A Short Time. - The Laser Won't Last Forever.. But You May Find Some Batteries Around.