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