Discover the Magic in Tralalero Tralala Hidden Stars. Sparkly Adventures Await. Tralalero Tralala Hidden Stars is a super fun and completely free online game made especially for curious kids who love surprises. Your mission is simple: explore each vibrant scene and find every single hidden star. Some are easy to spot, but others are sneakily tucked away! Once you find them all, you unlock the next level and continue the adventure. It is a fun way to train your eyes and your brain while having loads of fun.