Full list of all 111 Clicker Heroes achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 65 achievements, and there is 1 DLC pack containing 46 achievements.
Ascend the world 250 times
Kill 100K bosses
Ascend the world 100 times
Click 250K times
Kill 1,000K monsters
Kill 1,500K monsters
Ascend the world 50 times
Kill 10,000 bosses
Beat Zone 3,600
Beat Zone 3,400
Open 10,000 treasure chests
Beat Zone 3,200
Beat Zone 3,000
Beat Zone 2,800
Beat Zone 2,600
Beat Zone 2,400
Beat Zone 2,200
Beat Zone 2,000
Beat Zone 1,800
Beat Zone 1,600
Beat Zone 1,400
Ascend the world 25 times
Level up heroes 50,000 times
Beat Zone 1,200
Defeat Lagomorph of Caerbannog
Defeat Tako, again
Defeat Tako, Head of Octopi
Defeat the Dark Wizard
Defeat Rashon, the Duke
Kill 1,000 bosses
Defeat Doppler, the Robot
Level up heroes 25,000 times
Defeat the Queen of Bloops
Defeat Woodchip, the Rodent
Click 100K times
Defeat the Green One
Kill 100K monsters
Ascend the world 10 times
Ascend the world 5 times
Ascend the world 3 times
Kill 100 bosses
Beat Zone 160
Beat Zone 140
Get 250 hero upgrades
Ascend the world 1 time
Level up heroes 10,000 times
Click 50,000 times
Beat Zone 120
Get 100 hero upgrades
Level up heroes 2,500 times
Beat Zone 100
Defeat Omeet
Get 50 hero upgrades
Beat Zone 50
Kill 10,000 monsters
Get 25 hero upgrades
Level up heroes 500 times
Click 10,000 times
Kill 1,000 monsters
Beat Zone 25
Kill 10 bosses
Level up heroes 100 times
Beat Zone 10
Kill 100 monsters
Click 1,000 times
Get a Mercenary to Level 25
Bury 25 Mercenaries
Complete 500 Ruby Quests
Revive 25 Mercenaries
Complete 250 Five Minute Quests
Beat Zone 30000 After Transcension
Acquire 500 Ancient Souls
Complete 100 Relic Quests
Beat Zone 20000 After Transcension
Beat Zone 15000 After Transcension
Acquire 200 Ancient Souls
Get a Mercenary to Level 20
Beat Zone 10000 After Transcension
Complete 100 Ruby Quests
Complete 100 Gold Quests
Acquire 100 Ancient Souls
Beat Zone 7500 After Transcension
Complete 50 Five Minute Quests
Beat Zone 5000 After Transcension
Complete 100 Soul Quests
Beat Zone 4000 After Transcension
Bury 5 Mercenaries
Complete 25 Relic Quests
Get a Mercenary to Level 15
Acquire 50 Ancient Souls
Transcend 1 Time
Get a Mercenary to Level 10
Complete 25 Soul Quests
Revive 5 Mercenaries
Complete 25 Ruby Quests
Complete 25 Gold Quests
Get a Mercenary to Level 5
Recruit an Epic Mercenary
Complete 5 Soul Quests
Complete 5 Relic Quests
Complete 5 Ruby Quests
Have 5 Mercenaries
Complete 5 Gold Quests
Bury 100 Mercenaries
Revive 100 Mercenaries
Complete 500 Gold Quests
Complete 500 Relic Quests
Complete 500 Soul Quests
Complete 1000 Five Minute Quests
Bury Leeroy Jenkins