A mysterious floating castle has suddenly appeared over peaceful Yoshi's Island. Soon after its arrival, kids begin to disappear. Baby Mario, Baby Peach, Baby Wario and Baby DK manage to avoid being kidnapped, but Baby Luigi isn't so lucky.
Now Yoshi and the four young superstars and must set out on a wild and colorful quest to rescue the kids and investigate the ominous castle hovering overhead.
run, glide, climb and fight your way through five levels as Yoshi, gobbling up enemies as they go. As they play through different levels, different babies will join the party. Depending on the baby on his back, Yoshi can adopt different abilities.
The main game play comes from using different babies' abilities to defeat foes and advance past obstacles. Each level is also stuffed with hidden items like stars, red coins and character coins, which give players bonuses when they collect them.
Yoshi returns with all the abilities we know and love: He can swallow enemies, turn them into eggs, throw eggs and flutter jump. However, depending on the baby he's carrying, he also adopts new abilities.