Here is the full list of all 16 Gachimuchi Life Simulator achievements.
Get the first level.
Complete all league.
Reach level max 50 level.
Kill level 50 "Super Breaker" in the "Forest" location.
Buy new home furniture.
Cause a total of 500,000 damage in a single playthrough.
Earn a total of $ 100,000 in one playthrough.
Use a total of 100 items in a single playthrough.
Dodging worked several times in a row.
Use abilities a total of 150 times in a single playthrough.
Deal 5,000 damage with a single attack.
Craft your first potion.
Finish the first league.
Have 5,000 health.
Kill Level 50 "Super Dungeon Lord" in the "Lockerroom" location.
Kill Level 50 "Super Slave" in the "City Center" location.