Here is the full list of all 65 Magic Gun achievements.
Kill 20 Monsters in a Single Endless Mode!
Kill 40 Monsters in a Single Endless Mode!
Kill 60 Monsters in a Single Endless Mode!
Kill 80 Monsters in a Single Endless Mode!
Kill 100 Monsters in a Single Endless Mode!
Achieve Rank D in a Single Endless Mode!
Achieve Rank C in a Single Endless Mode!
Achieve Rank B in a Single Endless Mode!
Achieve Rank A in a Single Endless Mode!
Achieve Rank S in a Single Endless Mode!
Play over 1 Minutes in a Single Endless Mode!
Play over 2 Minutes in a Single Endless Mode!
Play over 3 Minutes in a Single Endless Mode!
Play over 4 Minutes in a Single Endless Mode!
Finish Endless Mode 1 Times in Lifetime!
Hit Monsters By Light Bullet 100,000 Times in Lifetime!
Collect 10,000 Gems in Lifetime!
Clear Level 20
Kill 1,000 Monsters In Lifetime!
Clear Level 15
Hit Monsters By Light Bullet 10,000 Times in Lifetime!
Hire allies 2 Times in Lifetime!
Deal 100,000 Damage To Any Monsters In Lifetime!
Clear Level 10
Collect 1,000 Gems in Lifetime!
Hit Monsters By Light Bullet 1,000 Times in Lifetime!
Enhance Ability 5 Times in Lifetime!
Clear Level 5
Hit Monsters By Fire Bullet 10 Times in Lifetime!
Hit Monsters By Ice Bullet 10 Times in Lifetime!
Kill 100 Monsters In Lifetime!
Deal 10,000 Damage To Any Monsters In Lifetime!
Hit Monsters By Light Bullet 100 Times in Lifetime!
Collect 100 Gems in Lifetime!
Hit Monsters By Light Bullet 10 Times in Lifetime!
Kill 10 Monsters In Lifetime!
Deal 1,000 Damage To Any Monsters In Lifetime!
Collect 10 Gems in Lifetime!
Hit Monsters By Ice Bullet 1 Times in Lifetime!
Deal 1,000,000 Damage To Any Monsters In Lifetime!
Deal 10,000,000 Damage To Any Monsters In Lifetime!
Kill 10,000 Monsters In Lifetime!
Kill 100,000 Monsters In Lifetime!
Hit Monsters By Fire Bullet 1,000 Times in Lifetime!
Hit Monsters By Fire Bullet 10,000 Times in Lifetime!
Hit Monsters By Fire Bullet 100,000 Times in Lifetime!
Hit Monsters By Ice Bullet 100 Times in Lifetime!
Hit Monsters By Ice Bullet 1,000 Times in Lifetime!
Hit Monsters By Ice Bullet 10,000 Times in Lifetime!
Finish Endless Mode 5 Times in Lifetime!
Finish Endless Mode 10 Times in Lifetime!
Finish Endless Mode 50 Times in Lifetime!
Finish Endless Mode 100 Times in Lifetime!
Play over 5 Minutes in a Single Endless Mode!
Collect 100,000 Gems in Lifetime!
Enhance Ability 10 Times in Lifetime!
Enhance Ability 15 Times in Lifetime!
Enhance Ability 20 Times in Lifetime!
Enhance Ability 25 Times in Lifetime!
Hire allies 4 Times in Lifetime!
Hire allies 6 Times in Lifetime!
Hire allies 8 Times in Lifetime!
Hire allies 10 Times in Lifetime!
Clear Level 25