Everything was logical? You are an idiot. Spark plugs don't go there. You can crack a safe. You can remember a 6 digit combo. You can kill a zombie with a baseball bat. You could go under the zombie arms in the hallway. You could just take off the cupboard from the window to see combo. Gas evaporates, and thus would be gone. Need I continue?
 "Kingdoms: Nobility"){kind=icon}
 "Infectonator : World Dominator"){kind=icon}
 "Isoball 2"){kind=icon}
 "MegaDrill"){kind=icon}
 "Bowmaster Prelude"){kind=icon}
 "Dream World"){kind=icon}
 "Battalion: Vengeance"){kind=icon}
 "I Remain"){kind=icon}
 "Bubble Tanks Tower Defense"){kind=icon}
 "Remnants of Skystone"){kind=icon}