Here is the full list of all 100 Idle Worlds achievements.
Buy the first generator
Buy the first upgrade
Buy the first prestige upgrade
Perform the first restart
Claim the first rewards
Perform the first investment
Claim the first interest reward
Receive the first score points
Unlock the first world
Complete the game
Earn 1K money
Earn 1M money
Earn 1B money
Earn 1T money
Earn 1Qa money
Earn 1Qi money
Earn 1Sx money
Earn 1Sp money
Earn 1Oc money
Earn 1No money
Earn 5 upgrade points
Earn 10 upgrade points
Earn 20 upgrade points
Earn 40 upgrade points
Earn 80 upgrade points
Earn 160 upgrade points
Earn 320 upgrade points
Earn 640 upgrade points
Earn 1280 upgrade points
Earn 2560 upgrade points
Earn 2 prestige points
Earn 4 prestige points
Earn 8 prestige points
Earn 16 prestige points
Earn 32 prestige points
Earn 64 prestige points
Earn 128 prestige points
Earn 256 prestige points
Earn 512 prestige points
Earn 1024 prestige points
Buy 50 generators upgrades
Buy 100 generators upgrades
Buy 200 generators upgrades
Buy 400 generators upgrades
Buy 800 generators upgrades
Buy 1600 generators upgrades
Buy 3200 generators upgrades
Buy 6400 generators upgrades
Buy 12800 generators upgrades
Buy 25600 generators upgrades
Buy 10 upgrades
Buy 20 upgrades
Buy 40 upgrades
Buy 80 upgrades
Buy 160 upgrades
Buy 320 upgrades
Buy 640 upgrades
Buy 1280 upgrades
Buy 2560 upgrades
Buy 5120 upgrades
Buy 5 prestige upgrades
Buy 10 prestige upgrades
Buy 20 prestige upgrades
Buy 40 prestige upgrades
Buy 80 prestige upgrades
Buy 160 prestige upgrades
Buy 320 prestige upgrades
Buy 640 prestige upgrades
Buy 1280 prestige upgrades
Buy 2560 prestige upgrades
Claim 1 reward
Claim 2 rewards
Claim 4 rewards
Claim 8 rewards
Claim 16 rewards
Claim 32 rewards
Claim 64 rewards
Claim 128 rewards
Claim 256 rewards
Claim 512 rewards
Claim 2 interest rewards
Claim 4 interest rewards
Claim 8 interest rewards
Claim 16 interest rewards
Claim 32 interest rewards
Claim 64 interest rewards
Claim 128 interest rewards
Claim 256 interest rewards
Claim 512 interest rewards
Claim 1024 interest rewards
Play for 1 hour
Play for 2 hours
Play for 3 hours
Play for 4 hours
Play for 5 hours
Play for 6 hours
Play for 7 hours
Play for 8 hours
Play for 9 hours
Play for 10 hours