Lim qualified for the 2014 World Championship via the International Qualifiers. He was drawn against Japan's Morihiro Hashimoto in the preliminary round and was beaten 4–2. Lim made his debut in the 2014 World Cup of Darts as he represented Singapore with Harith Lim (no relation). They won five legs in a row in the opening round against Ireland to progress with a 5–3 win. In the second round Paul lost to South Africa's Devon Petersen, but Harith beat Graham Filby to mean a doubles match was required to settle the tie. Singapore were edged out 4–3, but never had a dart for the match. Lim lost in the final of the 2015 French Dartslive event to Leonard Gates, but won the Soft Tip Qualifier for the 2016 World Championship for the second time by seeing off Boris Krčmar 4–2 in the final. He went on to play Aleksandr Oreshkin in the preliminary round and missed two match darts in a 2–1 set defeat. Lim and Harith made it to the second round of the 2016 World Cup, but lost their singles matches 4–2 to Austria's Mensur Suljović and Rowby-John Rodriguez. Lim won the Soft Tip Dartslive events in Taipei and Korea during the year.