The marquee-message in the original Lemmings (this from the Amiga version, I think) contains the following wit/outline/statistics/trivia:

Lemmings - the great SAVE-EM-UP game

Welcome to Lemmings
120 One Player Levels
20 Two Player Levels
21 Pieces of toe tapping music
Can you become a MASTER player?
You need building and digging skills
You need bashing and climbing skills
You need bombing and blocking skills

Remember
The needs of the many
Outweigh the needs of the few


DISCLAIMER
We take no responsibility for
1. Loss of sleep
2. Loss of hair
3. Loss of sanity
4. The elevator music

Beware of backseat players
Beware of playing against
violent bad losers

GOOD LUCK!