Welcome to Atlantis...i think it says

[McgillionFan]

This just a though for a game.

It's sort of like a caption game.

Basically what do you think it says or could say on the stairs of Atlantis ?

Let's get this game rolling and have fun.

Welcome to Atlantis,Please mind your step.

[NurseFG]

Beware this region of space is prone to frequent wraith attacks, enjoy your stay

[Arielle]

wraith? the cute white-haired guys? i'm dating one this evening