Super Captains: Successfully complete Challenge 03.
Bonus stadiums
Successfully complete the indicated task in Road To The Striker Cup mode to unlock the corresponding stadium in Domination mode. Note: The Brick Wall Award is earned by conceding the least number of goals in the group stage. The Golden Foot Award is earned by scoring the most goals in the group stage.
Crystal Canyon: Win the Crystal Cup.
Galactic: Earn both the Brick Wall Award and the Golden Foot Award in the Striker Cup.
Stormship: Win the Striker Cup.
The Dump: Earn both the Brick Wall Award and the Golden Foot Award in the Crystal Cup.
The Lava Pit: Win the Fire Cup.
The Wastelands: Earn both the Brick Wall Award and the Golden Foot Award in the Fire.
Bonus captains
Successfully complete the indicated task in Road To The Striker Cup mode to unlock the corresponding captain in all offline modes:
Bowser Jr.: Win the Fire Cup.
Diddy Kong: Win the Crystal Cup.
Petey Piranha: Win the Striker Cup.
Character cards
Successfully complete the indicated challenge in Striker Challenges mode to unlock the corresponding character card: