Kirby's Dream Land 3
Super NES Cameos
Goku & Chao
At the end of Grassland L4 you will find Chao, the girl from Famicom Disk System adventure game Yūyūki.
To earn her Heart Star you have to use the Rock ability earlier in the level to break through to the fire miniboss Boboo. Defeat Boboo to meet Goku, the monkey hero of Yūyūki.
When you reach Chao this time, Goku will have reunited with her and you get the Heart Star.
Submitted by Fryguy64
Donbe & Hikari
At the end of Sand Canyon L4 is Hikari, the girl hero from Famicom Disk System adventure game Shin Onigashima.
To earn her Heart Star you must follow the bottom → top → middle route in the scrolling underwater section. Defeat the broom miniboss Haboki to meet Donbe, the boy hero from Shin Onigashima.
When you reach Hikari this time, Donbe will have joined her and you get the Heart Star.
Submitted by Fryguy64
R.O.B. & Professor Hector
At the end of Sand Canyon L6 is Professor Hector from the R.O.B. games Stack-Up and Gyromite.
To earn his Heart Star you must use Kirby, Kine and Coo's powers to collect all the pieces of R.O.B. scattered around the stage.
After finding all the pieces and getting to the end, R.O.B. appears next to Hector and you get the Heart Star.
Submitted by Fryguy64
Samus & the Metroids
At the end of Iceberg L2 is Samus Aran, the hero of the Metroid series.
To earn her Heart Star, collect the Ice power before you enter the volcano and defeat all of the Metroids that you find hidden in each room.
After defeating them all and reaching the end of the stage, Samus removes her helmet and awards you with her Heart Star.
Submitted by Fryguy64
Blocky
The miniboss, Blocky, originally appeared as an enemy in HAL's Adventures of Lolo series. He returns from Kirby's Dream Land 2.
Submitted by Parrothead
Nintendo 16
From the Options menu, you can select the Boss Butch game. Above the title of Boss Butch are the words "Nintendo 16", written in the style of the Nintendo 64 logo.
Submitted by YoungLink