Only floaters can survive this is the second level of the Fun difficulty in Lemmings.
As one of several introductory levels, its intention is to familiarize the player with the various skills in the game. In this level's case, Floating.
Turn each Lemming into a Floater as they appear in order for them to safely descend the last pillar. Only one needs to survive for success, but you are given just enough to save all of them.
Version differences[]
Atari Lynx
Was renamed "Only Floaters".
Sega Master System Game Gear
The last pillar is slightly above the safe falling distance, which is even smaller.