- Challenges
Successfully complete the indicated task in Story mode to unlock the corresponding challenge in Challenge mode:

Sheep E	Reach Sheep Man on the Easy difficulty.
Wily Capsule H	Reach Wily Capsule on the Hard difficulty.
Nitro E	Reach Nitro Man on the Easy difficulty.
Commando H	Reach Commando Man on the Hard difficulty.
Pump N	Reach Pump Man on the Normal difficulty.
Crab Puncher E	Reach Crab Puncher on the Easy difficulty.
Commando N	Reach Commando Man on the Normal difficulty.
Solar N	Reach Solar Man on the Normal difficulty.
Strike E	Reach Strike Man on the Easy difficulty.
Octobulb H	Reach Octobulb (Sheep Man stage) on the Hard difficulty.
Chill E	Reach Chill Man on the Easy difficulty.
Blade N	Reach Blade Man on the Normal difficulty.
Sheep H	Reach Sheep Man on the Hard difficulty.
Wily Machine E	Reach Wily Machine on the Easy difficulty.
Blade H	Reach Blade Man on the Hard difficulty.
Commando E	Reach Commando Man on the Easy difficulty.
Chill H	Reach Chill Man on the Hard difficulty.
Block Devil N	Reach Block Devil on the Normal difficulty.
The Keeper H	Reach The Keeper Man (Strike Man Stage) on the Hard difficulty.
Strike H	Reach Strike Man on the Hard difficulty.
W Archive N	Reach the first Wily Archive on the Normal difficulty.
Suzak and Fenix H	Reach Suzak and Fenix (Solar Man Stage) on the Hard difficulty.
Solar E	Reach Solar Man on the Easy difficulty.
W Archive H	Reach the first Wily Archive on the Hard difficulty.
Nitro H	Reach Nitro Man on the Hard difficulty.
Crab Puncher H	Reach Crab Puncher on the Hard difficulty.
Wily Capsule E	Reach Wily Capsule on the Easy difficulty.
Crab Puncher N	Reach Crab Puncher on the Normal difficulty.
Strike N	Reach Strike Man on the Normal difficulty.
Pump E	Reach Pump Man on the Easy difficulty.
Wily Machine H	Reach Wily Machine on the Hard difficulty.
Chill N	Reach Chill Man on the Normal difficulty.
Sheep N	Reach Sheep Man on the Normal difficulty.
W Archive E	Reach the first Wily Archive on the Easy difficulty.
Block Devil E	Reach Block Devil on the Easy difficulty.
TriCastle H	Reach TriCastle (Blade Man Stage) on the Hard difficulty.
Pump H	Reach Pump Man on the Hard difficulty.
Block Devil H	Reach Block Devil on the Hard difficulty.
Nitro N	Reach Nitro Man on the Normal difficulty.
Wily Capsule N	Reach Wily Capsule on the Normal difficulty.
Blade E	Reach Blade Man on the Easy difficulty.
Solar H	Reach Solar Man on the Hard difficulty.
Wily Machine N	Reach Wily Machine on the Normal difficulty.

- Hard mode
Successfully complete the game on the Normal difficulty to unlock the Hard difficulty.

- Recommended Boss order
Overcome the Bosses in the following order with the indicated attack:

Chill Man (use Solar Blaze)
Commando Man (use Wheel Cutter)
Solar Man (use Water Shield)
Pump Man (use Electric Wool)
Blade Man (use Commando Bomb)
Sheep Man (use Mega Buster)
Nitro Man (use Chill Spike)
Strike Man (use Triple Blade)

- Achievements
Do the following things to obtain the corresponding Gamerscore points:

5 Points
Whomp Wily!	Clear the game once.
World Warrior	Overcome one of every type of enemy.
10 Points
Blue Bomber	Clear the game in under an hour.
Superhero	Clear the game on HARD.
No Coffee Break	Clear the game without using any energy, mystery, or weapon tanks.
20 Points
Trusty Sidearm	Overcome the 8 bosses with just your default weapon.
Tenacious	Clear the game without continuing.
Destroyer	Overcome 1000 enemies.
Headbanging	Overcome the 8 bosses without your helmet on.
Hard Rock	Make it to a boss room without getting damaged.
30 Points
Invincible	Clear the game without dying.
Mr. Perfect	Clear the game without getting damaged.

- Challenge options
Successfully complete the indicated task to unlock the corresponding type of challenge in Challenge mode:

Normal Boss challenges	Reach the Boss on the Normal difficulty.
Easy Mini Boss challenges	Reach the Mini Boss on the Easy or Normal difficulty.
Hard Boss challenges	Reach the Boss on the Hard difficulty.
Normal Mini Boss challenges	Reach the Mini Boss on the Normal difficulty.
Easy Boss challenges	Reach the Boss on the Easy difficulty.
Hard Mini Boss challenges	Reach the Mini Boss on the Hard difficulty.

Aren't you satisfied? Do you need help? You can try to leave a comment below, or click here to enter into our Forum.