Full list of all 12 Clicker Heroes achievements worth 1,000 gamerscore. It takes around 300-500 hours to unlock all of the achievements on Xbox One.
Kill 10000 monsters
Kill 1000 bosses
Find a relic
Ascend for the first time
Attack 50000 times
Get 50 hero upgrades
Reach level 10
Level up heroes 25000 times
Defeat all centennial bosses
Open 10000 treasure chests
Unlock all original heroes
Reach level 3600