Note: All are paraphrased. These are not "official" answers, so they may have changed.
Q: Is Yuri really 180cm tall? (06/20/2010)
Q: Does Zahard let his daughters act freely? If the Zahard's princesses are this strong, won't other regulars be at a disadvantage? (10/18/2010)
Q: Are Yuri and Rachel (Lahel) the only female protagonists? Can you tell us about the other female protagonists? (08/21/2010)
Q: What type of creature is the Gator? (09/06/2010)
Q: Can you really find everything at the top of the tower as Headon says? (10/02/2010)
Q: You said that the red haired witches and the silver haired dwarfs are famous races for their exceptional ability. What are the famous races for the wave controller position and the light bearer position? (11/08/2010)
Q: Urek took 50 years to climb the tower. How long did Lero-ro, Yuri, Yu Han Sung, and Headon take to climb the tower? (11/21/2010)
Q: In chapter 22, we see a bullet disintegrating in midair. Is this Baam's ability or Black March's? (12/24/2010)
Q: Is Baam ambidextrous or right-handed? (12/20/2010)
Q: Will Baam use a weapon later? (12/20/2010)
SIU: The first floor's contents foreshadow the entire story of Tower of God.
* Edit 1 *
Q: Will Baam become the king of the tower? (07/26/2010)
Q: Is Ashul Edwaru a ranker? An irregular? Do you create weapons from shinsoo? Do they forge the weapons in a way that we're familiar with? When were the weapons made? Before Zahard became a king? After he became a king? (10/02/2010)
Q: Are the outside world, Baam's place, and the Tower different places? Yuri said, "Even Evan, an A-grade guide, agreed that he's a normal human!" Can they assess the strength of others? (10/04/2010)
Q: How old is Baam? (11/22/2010)
Q: Where are Zahard and the Ranking Administrators? How many irregulars have entered the tower? [3rd question was not written] (08/01/2011)
* Edit 2 *
Q: If you can teleport or fly, can you go to the next floor? (09/12/2010)
Q: Aren't Zahard's daughters picked from rankers? Is Koon (Agero) climbing the tower because he was abandoned? I thought only the chosen ones were allowed to climb? (10/18/2010)
SIU: Yuri is a character for the later half, so I'm planning to save her until then. (07/13/2010)
SIU: Yuri and Lero-ro have met each other while climbing the tower. Yu Han Sung climbed the tower before Lero-ro and Yuri. If Yu Han Sung didn't mess around in Evankhell's floor, his rank would have been similar to Yuri's rank. (10/15/2010)
SIU: Lero-ro is about 2m tall. (11/08/2010)
SIU: If you get to know her, Lahel (Rachel), in fact, is a really charming character, haha. (12/14/2010)
* Edit 3 *
---Written on 05/16/2011---
Q: How many bangs can Laure control? What about Myun and Soo?
---Written on 01/17/2011---
Q: Is there a place in the outer Tower (those under 134th floor) where nobody has passed/discovered?
Q: Baam is named after his birthday, the Twenty-fifth Night. How does Baam, a child without a family, remember this?
Q: Can a guide, like its name, find solutions or grasp the opponent's strength, bloodline, and ability?
Q: Are there rules or laws in the Tower?
Q: Headon is called as the tower's veteran guardian, why is that?
Q: Are "shinheuhs" basically fishes that live in the Tower?
Q: -A very long question-
---Written on 12/20/2010---
Q: Since Yuri was with Wingtree, is she also a part of Wingtree? How can you get into Wingtree?
---Written on 10/18/2010---
Q: Can the owner change a pocket's shape? What determines a pocket's rank?
Edited by LaFa, 20 June 2013 - 10:10 PM.