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