D&D General Tucker's Kobolds: worth using in 5e?

[SkidAce]

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I recall we had a 12th-level magic user with us, and we asked him to throw a spell or something. "Blast 'em!" we yelled as we ran. "Fireball 'em! Get those little @#+$%*&!!"

"What, in these narrow corridors? " he yelled back. "You want I should burn us all up instead of them?"

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For context, research how fireballs expanded in AD&D, and Lightning Bolts bounced.