Here is the full list of all 27 Anime Arena: Infinite War achievements.
Kill 10 enemies
Kill 100 enemies
Kill 1000 enemies
Kill 10000 enemies
Kill 100000 enemies
Kill 1000000 enemies
Collect 50 coins
Collect 500 coins
Collect 5000 coins
Collect 50000 coins
Collect 500000 coins
Collect 5000000 coins
Get level 5
Get level 50
Get level 500
Get level 5000
Buy 10 upgrades
Buy 100 upgrades
Buy 1000 upgrades
Buy 10000 upgrades
Buy 5 perks
Buy 50 perks
Buy 500 perks
Buy 5000 perks
Finish game 1 times
Finish game 5 times
Finish game 10 times