Here is the full list of all 80 Idle Wizard achievements.
Reach Legacy level 100
Unlock Ascension Forms
Unlock minor Gods
Reach Cerebros level 100
Unlock Mana source Memetics
Reach Legacy level 75
Unlock Pantheon
Unlock Void Memetics
Unlock Catalyst Memetics
Reach Chaos level 100
Reach Veritallios level 100
Reach Procreogenus level 100
Reach Tempoaeverum level 100
Unlock Nix-Instability
Unlock Living Sin
Unlock Herald of Rot
Unlock Voidlight Amalgam
Unlock Mechanos Apexis
Unlock Greater Chimaera
Reach Animatealia level 100
Reach Altermutus level 100
Reach Ardourium level 100
Complete all Challenges
Reach Expedition level 100
Do first Change Realm
Reach Legacy level 50
Unlock Oni
Unlock Desolator
Unlock Shaman
Unlock Temporalist
Unlock Heretic
Unlock Archon
Craft 100 items
Unlock weapons
Unlock Abolisher
Unlock enchantment
Unlock Ironsoul
Unlock Ebonsand Behemoth
Reach Legacy level 25
Unlock Alchemist
Unlock Hungerer
Unlock Ley Keeper
Total amount of Exiles 100
Unlock Anima Construct
Reach Legacy level 10
Unlock Archivist
Unlock Risen Giant
Unlock Ent
Unlock Geode
Unlock Shadow Stalker
Unlock Umbramancer
Unlock craft
Unlock Exorcist
Unlock Arcanaworg
Unlock Chronomancer
Unlock Pit Lord
Unlock Simulacrum
Unlock Voidterror
Unlock Interrogator
Unlock Voidmancer
Unlock Devourer
Unlock Voidfiend
Unlock Trials
Unlock Druid
Unlock Prodigy
Unlock Arcanist
Unlock Spellhound
Complete first challenge
Unlock attributes
Unlock Golem
Unlock Homunculus
Unlock Necromancer
Total played time 1 day
Unlock Demonologist
Do first Exile
Unlock Daemon
Reach Apprentice level 5
Unlock Zombie
Unlock Pixie
Buy first upgrade