Here is the full list of all 58 Between Two Worlds achievements.
You said you were under 18. Go play Fall Guys!
You decided to throw Emily a party for her birthday.
You decided to go to the lake for Emily's birthday.
You selected the maid lingerie for Hannah.
You selected the nurse lingerie for Hannah.
You selected the school girl lingerie for Hannah.
You gave Hannah some lotion.
You gave Hannah some protein.
You completed Chapter 1.
You selected Skylar's choice for a swimsuit.
You selected Emily's choice for Skylar's swimsuit.
You peeked at Emily's wardrobe malfunction.
You told Emily about her wardrobe malfunction.
You ignored Emily's wardrobe malfunction.
Allow Rhaskin to join the party.
Refuse to let Rhaskin join the party.
Let the man go after battle.
Kill the man as he tries to escape.
You completed Chapter 2.
You used protection as the reason for the girls to do yoga at your place,
You admitted that you wanted to watch the girls do yoga at your place.
You told the girls they would be safe, but you also enjoy watching them do yoga at your place.
You completed Chapter 3.
You torched the tents to save the girl.
You put the orcs to sleep to save the girl.
You took a detour and met Kisa. What is she planning to do with that stuff?
You made it through the temple traps without triggering any of them.
You told the Goddess Alora that you have no desire for power.
You told the Goddess Alora that you desire more power
You completed Chapter 4.
Two may be a party, but three is definitely more fun.
You're a one girl kind of person, and three's a crowd.
You lied to Emily about Skylar. Hopefully she won't kill you for this.
You told Emily the truth about Skylar. Hopefully she'll appreciate that.
You refused Alorine's promises of power.
You accepted Alorine's promises of power.
You completed Chapter 5.
You decided to use the potion immediately.
You stopped to check out the abandoned shack.
You told the others about the strange ring on your finger.
You're stuck Between Two Worlds
Oscar was reunited with the party.
Skylar got her first kiss.
You completed Chapter 6.
You showed mercy and spared the giant.
You convinced Kaylee to help corrupt your friends.
You were receptive to Bailey's romance.
You spilled the blood of an innocent.
You successfully obtained the pearl for Serena.
You removed Skylar's barrier with your own dagger.
Bailey is bad at hide and seek, but she has other natural talents.
You completed Chapter 7.
You have fully sided with Alorine
You have fully sided with Alora
You tried to touch the statue, but Bailey beat you to it.
You ignored Emily and finished on your own terms
You decided to ignore Hannah and someone died. Hope that won't come back to bite you.
You discovered a fairy ring, finishing Chapter 8.