PlanetsCentral

What means we need to find a solution we all agree.

It is almost impossible.
Re-read this topic again.
Each player offered his own version of winning condition.
And finally Stefan suggested the following:

Thus, using the standard "roll a die, starting at turn 80 (or 70?)" would sound like a reasonable idea to me.

That's why I suggested it.
If you prefer voting then:

4 players (1, 4, 8, 11) voted to end the game ASAP and only 2 players want to continue.