Here is the full list of all 52 Millennium - there are A New Hope achievements.
Never use "Go Through" until the end of the game
30+ quests for Hirado
Kill Lord of the Roots
Kill Crocodile King
Kill Golem King
Kill Bear King
Hard Mode Completed
Finish the game in less than 10 hours in Hard Mode
Complete the game fully (all quests, secret rooms and animal kings)
Spend 20+ hours on the game
10+ changes of strategy
Save 100+ times
Use Benoit's hand technics 200 times
10+ uses of Marine's Talk
1000+ Fights
All quests completed
500+ Kills for Karine
All secret rooms found
Kill all animal kings
Kill Lord of the Ants
Held more than 30 000 Gold
More than 100 Orbs collected
Kill Twin Tigers
Discover all Bokden's locations
Kill Queen Bee
Kill 50+ enemies with Hirado
Find the secret forge
20+ secret rooms found
Djinn Slain
5+ Guts from Marine
Summon Jeanne 50+ times
Kill Rat King
500+ Kills for Marine
Use Benoit's hand technics 50+ times
5+ successful uses of Karine's Craft
Karine Baroness Promotion
Rogue Slain
Complete 6+ quests
Use Benoit's hand technics 5+ times
50+ items found
Find 5+ secret rooms
Kill 100+ enemies with Marine
Play 1+ hour
Find 1+ secret room
Use Jeanne for the first time
Complete 1 quest
Kill 10+ enemies with Marine
Collect 10+ orbs
Find 5+ items