Nous avons perdu la partie.
'game on' in french is 'jeu sur'
Lost dans le néant.
(to have) lost everything = (avoir) tout perdu.
Atlantis (lost continent) is spelled 'Atlantide' in French.
Va t'en! Means "get lost!" or "get away from me" in French.
l'innocence perdue
il est perdu
in french to say a lost rare white lion you can say un lion blanc tres rare mais perdu
You just say "I'm sorry you lost!" If he played a good game, compliment him on how hard he tried, but don't say "good game" if he was goofing off and deserved to lose.
Je suis perdu(e)
Je suis perdu.
Perdu son bras.