Here is the full list of all 74 Infinite Adventures achievements.
Complete Prologue
Summons Used 50
Puzzle Rooms Completed 100%
Summons Acquired 50%
Finish Game : Good Ending
Defeat the Ancient of Chaos
Bestiary 100%
Defeat Vith Uriel
Rescue Main Character
Complete Chapter 5
Follow Love Interest into portal
Defeat Yndra
Defeat Kentu Asura
Zander and Tonya Join
Summons Used 25
Defeat The Prophet
Jacinda Joins
Victoria Joins
Complete Chapter 4
Defeat Xianglu
Regulus and Ejlora join
Item Recipes Learned 50%
Rescue Victoria
Defeat Vith Zoral
Dinari Earned 1,000,000
Bestiary 50%
Complete 50% of Quests
Wild Portals Unlocked 50%
Complete Chapter 3
Defeat Lex Zero
Puzzle Rooms Completed 50%
Yokai Killed 50
Defeat Shi-Lorath
Steps Taken 10,000
Enchantments Known 50%
Enemies Killed 1000
Mine Rank S
Hunt Rank S
Gather Rank S
Complete Chapter 2
Defeat Sorcerer Modari
Unlock Rank S
Decipher Rank S
Search Rank S
Yokai Killed 25
Defeat Jacinda Brightflame
Team Kessens Used 50
Dinari Earned 100,000
Enemies Killed 500
Complete Chapter 1
Defeat Jormandr
Defeat Butterbean
Team Kessens Used 25
Steps taken 1,000
Finish Game : Evil Ending
Rescue Royce
Let Love Interest go
Royce Joins
Complete All Quests and talk to Foster
Complete All Quests
Enchantments Known 100%
Item Recipes Learned 100%
Wild Portals Unlocked 100%
Summons Acquired 100%
Defeat The Ancient of Chaos Gaiden
Defeat Zander Gaiden
Defeat Balthazzar Gaiden
Defeat Lilith Gaiden
Defeat Agamon Gaiden
Defeat Svolkoroth Gaiden
Defeat Tiberius Gaiden
Defeat Lyra Gaiden
Defeat Mordekai Gaiden
Defeat Justicar Gaiden