Here is the full list of all 92 Idle Earth achievements.
Own 5 Artifacts
Own 4 Artifacts
???
Own 3 Artifacts
Actively cast 100 successful Spells while on fire
Actively Slash 1000 times while on fire
Own 2 Artifacts
Actively Drill 250 times while on fire
NEW_ACHIEVEMENT_DESC_2_17
Spent 500 Gems
Spent 250 Gems
NEW_ACHIEVEMENT_DESC_2_16
Actively cause 1000 explosions while on fire
Used 100 Chest Key
Actively Mine 1000 times while on fire
Own 1 Artifact
CPS of over 1 Golden Glowy coin per second
Destroy ALL Rocks
Obtain MAX COINS
10 Explosions in a row without touching the ground
Cause 10,000 Explosions with the Bomber
Cause 5,000 Explosions with the Bomber
10 perfect 'hard' spells in a row
Destroy 10 Driller Targets in 1 go
Max out the Mage
Max out the Swordsman
Max out the Bomber
Max out the Driller
Max out the Miner
Perform a 100 combo sword slice
Slice the rock 10,000 times as the swordsman
Slice the rock 5,000 times as the swordsman
Slice the rock 1,000 times as the swordsman
Destroy 16 Rocks
CPS of over 1 Gold Cube coin per second
Upgraded the Mage to Level 7
Upgraded the Swordsman to Level 10
Drilled 10,000 Targets with the Driller
Drilled 5,000 Targets with the Driller
Obtain a Blood Red Coin
Drilled 1,000 Targets with the Driller
Drilled 500 Targets with the Driller
NEW_ACHIEVEMENT_DESC_2_15
Used 50 Chest Key
NEW_ACHIEVEMENT_DESC_2_14
Upgraded the Bomber to Level 12
Upgraded the Driller to Level 15
Spent 50 Gems
Spent 100 Gems
Upgraded the Mage to Level 5
Upgraded the Miner to Level 15
Mined with the Miner 10,000 Times
Used 25 Chest Key
Upgraded the Swordsman to Level 7
Destroy 12 Rocks
Upgraded the Mage to Level 3
NEW_ACHIEVEMENT_DESC_2_13
Obtain a Hard Green Coin
CPS of over 1 Pretty Pink coin per second
Unlock the Mage
Upgraded the Bomber to Level 8
Cause 1,000 Explosions with the Bomber
Upgraded the Swordsman to Level 4
Upgraded the Driller to Level 10
Mined with the Miner 5,000 Times
Slice the rock 500 times as the swordsman
Upgraded the Miner to Level 10
Slice the rock 100 times as the swordsman
Destroy 8 Rocks
Unlock the Swordsman
Play for over an hour
Cause 500 Explosions with the Bomber
Upgraded the Bomber to Level 4
CPS of over 1 Aqua coin per second
Drilled 100 Targets with the Driller
Obtain Swirly Blue Coin
Cause 100 Explosions with the Bomber
Mined with the Miner 1,000 Times
Spent 10 Gems
Used 5 Chest Key
Unlock the Bomber
Upgraded the Driller to Level 5
Mined with the Miner 500 Times
Destroy 4 Rocks
Upgraded the Miner to Level 5
Obtain a Jagged Grey Coin
CPS of over 1 Grey coin per second
Used 1 Chest Key
Unlock the Driller
Mined with the Miner 100 Times
Unlocked the Miner
Mine 100 times in 10 seconds