In the same night? I have no idea but more than once I've finished off a fifth of hard liquor and finished a twelve pack of beer (usually Sierra Nevada) on my own.

So that's about 25 shots and 12 beers. A few of my friends are convinced that I'm not human.

5 coffee cups of vodka, about 40 shots.

Let's see...

I guzzled a pint then 3/4ths of a fifth of Jack Black when I was 16, haven't touched the stuff since.  (I vomited that shit so hard it went through my nose. Over a quarter century later and I can still smell it)

About a dozen years later I ran across a place that had Long Island Ice Tea SLUSHIES!  Way too easy to drink!

I don't remember how many I drank, or most of that evening as a matter of fact. I didn't lose any friends or get a DUI, apparently I was able to keep it together. I left the house with $100 and woke up with $15 in paper and a couple of dollars in coin. A16oz drink cost $3.50 and I spent at least 30% on tips. I do remember rotating my purchases between two bartenders and four waitresses because they limited you to four of that particular drink.

ALWAYS TIP YOUR WAITER OR WAITRESS!  I'm never too drunk to remember that.

Recently I slammed 16 Guinness Extra Stouts.

A few sips of grape juice and it was lights out.

Some nations have higher tolerances than others.

So I believe it considering I have had 3 shots of Bacardi 151 (75.5%) before one of my exams. 

Anyway the most I have drank was a bottle of Bacardi 151, few premium beers and at the end of the night I went out and the bar tender at the club dared me to drink some weird shit with Tabasco sauce in it (as I asked for Bacardi and he didn't have it). Because I did, he gave me a free cocktail of mixed stuff.