Bob-omb Islands was a course in Into the Fourth Dimension is a 4D Bob-omb Battlefield. it was where the Green Bob-ombs battled against Bob-omberman's Bob-ombs. When Mario arrived he went to stop the King Bob-omb and get a D-Star.
- Defeat King Bob-omb: Collected by Mario
- Atop Ship's mast: Collected by Ggomorno
- Wall jump along the side: Collected by MarioStar64/grammasdeadkitten
- 8 red coins: Collected by LuigiFan54321
- In cage: Attempted by XxanbuxX10, but had to wait until the Vanish Cap button was pressed in Bob-omberman's Factory
- Smash rocks guarded by Chain Chomp: Collected by Starman3
- 100 coins: Collected by MarioMario54321