 Nyorai kuenderera mberi kweiyi ndima - Viljanen akakunda zviitiko zvitatu zveSDC Tour muna 2015 uye akapedza pamusoro peOrder of Merit, nekudaro achikwikwidza ku2016 PDC World Championship. Mushure mekukunda 21 kurwisa Sven Groen mumutambo wekutanga, akarohwa 30 naKevin Painter mumutambo wekutanga. Viljanen akaita kutanga kwake pa2016 World Cup of Darts, achimiririra Finland naMarko Kantele uye vakarasikirwa ne51 kuWales mumutambo wekutanga. Mamwe mazita matatu eSDC akamuona achikwikwidza kumakwikwi e2017 World Championship uye akaona Ross Snook 20 mumutambo wekutanga, asi akakwanisa kukunda gumbo rimwe chete kurwisa nhamba yepasi rose Michael van Gerwen panguva yekurasikirwa ne30 mumutambo wekutanga. Viljanen akarasikirwa nemiseve miviri mumutambo wekutanga weWorld Cupsezvo iye naKantele vakabviswa 5 ku4 neWales. 