Here is the full list of all 24 Idle Monster TD: Evolved achievements.
Defeat 100,000 bosses.
Prestige 250 times.
Pass wave 2500.
Participate in 12 PvP Tournaments.
Evolve monsters 100 times.
Reach 25 days of in-game play time.
Unlock 40 unique monsters.
Pass wave 1000.
Participate in 5 PvP Tournaments.
Prestige 50 times.
Reach 10 days of in-game play time.
Defeat 10,000 bosses.
Defeat 1,000,000 enemies.
Unlock 25 unique monsters.
Evolve monsters 35 times.
Defeat 1,000 bosses.
Reach 1 day of in-game play time.
Unlock 10 unique monsters.
Defeat 10,000 enemies.
Evolve monsters 5 times.
Prestige 5 times.
Participate in 1 PvP Tournament.
Pass wave 100.
Defeat 10,000,000 enemies.