[vin13ish]

I also wonder if Riku Sanjo found out about Kamen Rider Drive's Drinking Game?

Take a shot whenever Shinnosuke eats a milk ball. Two if someone else does.
Take a shot every time Mr Belt shoves*Gratuitous English*into his dialog (not counting Tire Exchange phrases).
Take a shot for every "TAIYA KOUKAN!" Two if a new Shift Car is introduced.
Take a shot when Genpachirou mispronounces a word.
Take a shot whenever Chief Honganji makes a weird face or reads out his fortune. Be sure to call an ambulance beforehand.
Take a shot every time Heart talks about friends or friendships.
Raise your glasses and take a shot for every Rider Kick.
Take a shot every time someone says his catchphrase. Two if it's Gou. Three if someone interrupts it or lampshades it.
Take a shot whenever someone gets in "top gear". Two if it isn't Shinnosuke.
Take a shot whenever Shinnosuke's tie mysteriously undoes itself.
Take a shot whenever two riders fight each other. Two if it's a movie, three if Decade or a past rider is involved.
Take a shot every time Chase is just waiting on his bike for Shinnosuke to drive by in order to fight him. Take two if Chase drives by to fight him.
Take continuous shots for the duration of every*Sherlock Scan-flashback. Don't stray too far from the bathroom or a speedial for the hospital.
Take a shot every time they hint that Mashin Chaser and Proto-Drive are the same person. Any time after episode 14 doesn't count, since they outright said it already.
Take a shot whenever Shinnosuke acts like a dork. Two if its over his horrible*Literal-Minded*naming sense.
Take a shot every time Chase pops out of nowhere. Brace yourself. It´s his favorite way of entering the scene.
Take a shot for every time that Chase is brainwashed.