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