Here is the full list of all 50 Mega Man 11 achievements.
Complete the game on Normal difficulty or harder within 60 minutes. (1st Play)
Complete the game on Casual difficulty or harder without buying/using items or parts. (1st Play)
Use a Mystery Tank and turn an enemy into a 1-UP.
Destroy 10 enemies during one Speed Gear use. (Excludes Challenge Mode)
Destroy three or more enemies using a Shimobey explosion.
Destroy 80 enemies using Power Gear. (1st Play) (Excludes Challenge Mode)
Destroy all types of Metall, Shield Attacker, Sniper Joe, Gabyoall, and Batton. (1st Play)
Destroy all types of Gabyoall, Elec Crosser, and Elec Xtender. (1st Play) (Excludes Challenge Mode)
Defeat 30 enemies while their guard is broken. (1st Play) (Excludes Challenge Mode)
Destroy 10 blocking enemies using special weapons. (1st Play) (Excludes Challenge Mode)
Destroy an Arc Weldy obstacle.
Defeat an enemy using the Final Charge Shot.
Complete the game on Superhero difficulty.
Complete the game on Normal difficulty or harder without getting a game over. (1st Play)
Defeat a boss using only Power Gear attacks. (Excludes Challenge Mode)
Unlock and view all Gallery files.
Get Gold Rank five times.
Defeat a Mawaru C using your Mega Buster without Speed Gear.
Get Bronze Rank or higher five times.
Get Silver Rank or higher five times.
Complete the game on Normal difficulty or harder.
Destroy 100 enemies using Speed Gear. (1st Play) (Excludes Challenge Mode)
Complete all 8 of the 8 stages.
Destroy 20 Crunch Don, Press Don, and Sniper Armor D in total. (1st Play) (Excludes Challenge Mode)
Complete 4 of the 8 stages.
Run into an instant-death hazard without dying.
Destroy a Sniper Joe piloting a Sniper Armor D.
Use a special weapon while Power Gear is active.
Purchase five parts.
Destroy a Mini Shpider using an acid pool, BBQ grill, or other environmental hazard.
Destroy 30 enemy projectiles. (1st Play) (Excludes Challenge Mode)
Destroy a Tatepakkan from the back.
Defeat three or more enemies with one charge shot.
Complete 1 of the 8 stages.