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