3D-shooter homage to good old Wolfenstein or Doom with nanotechnological frills.
What's the difference between particle physics and black magic? The latter often gives you more predictable results!
Could anybody foresee the consequences of firing up the Large Hadron Collider? Nobody could, that's why it's you, armed with a crowbar, who has to solve the problems encountered therein. There will be plenty of these probles: terrorists, reckless fanatics, infernal hellhounds and even Beelzebub himself. Time travel will definitely help you cope with this multitude of issues. Skillfully maneuvering in time loops, like a hero you should punish all the bad guys, rescue the good guys, blah-blah-blah, all in all, you've got the idea.