Travian: Legends 1x:
Artefacts: after 100 days
WW: from the start
Construction plans: after 200 days
Natars start WW: after 250 days
Natars WW build speed: 1 level per day

T:L 3x:
Artefacts: after 34 days
WW: from the start
Construction plans: after 67 days
Natars start WW: after 84 days
Natars WW build speed: 3 levels per day

T:L x-speed:
Artefacts: after 100/X days
WW: from the start
Construction plans: after 200/X days
Natars start WW: after 250/X days
Natars WW build speed: x levels per day

T:L Scattered Empire 1x speed:
Game length: 200 days

T:L Scattered Empire 2x speed:
Game length: 140 days