Here is the full list of all 52 .hack//G.U. Last Recode achievements.
Obtain all achievements.
Reach guild rank 9 by raising all books in the Book of 1000 to rank 9 in Vol. 3 after having carried over your save data from Vol. 1 and 2.
Open the gallery after having collected all cards in Crimson VS in Vol. 3.
Win 1000 or more battles.
Perform 200 or more Awakenings.
Perform 500 or more surprise attacks.
View all Parody Mode content.
Complete Vol. 4 Reconnection.
Raise Haseo to level 150 in Vol. 3 or Vol. 4. (Using Cheat Mode does not count.)
Unlock all Terminal Disc files.
Achieve an overall A-rank area result 50 or more times.
Watch an engagement event.
Complete Vol. 3 Redemption.
Ride your bike for over 30 minutes.
Alchemize 100 or more times.
Win 500 or more battles.
Complete the "Highway Master" campaign.
Perform 300 or more Rengeki attacks.
Participate in 200 or more Arena matches.
Perform 10 or more Avatar Awakenings.
Win 500 or more times in Crimson VS in Vol. 2 and 3.
Collect a total of 60 or more 2nd Area Words in Vol. 2 or 3. (Carrying over save data is recommended.)
Perform 200 or more counterattacks.
Finish first on any course in the "Highway Master" campaign. (After obtaining the 1st Word "Passing" in Vol. 2, you can attempt Bike Missions before beginning the campaign in Vol. 3.)
Conduct 50 or more trades with allies. (Allies will still count as allies before exchanging member addresses.)
Participate in 50 or more Arena matches.
Perform 50 or more counterattacks.
Complete Vol. 2 Reminisce.
Complete the "Bikman's Model" campaign.
Complete the "Chase the Bounty" campaign.
Complete the "Lucky Data" campaign.
Collect a total of 60 or more 1st Area Words in Vol. 1, 2, or 3. (Carrying over save data is recommended.)
Collect a total of 60 or more 3rd Area Words in Vol. 1, 2, or 3. (Carrying over save data is recommended.)
Give 30 or more gifts to allies. (Allies will still count as allies before exchanging member addresses.)
Perform 50 or more Awakenings.
Win 100 or more times in Crimson VS in Vol. 2 and 3.
Complete the "Stray Mecha Grunty" campaign.
Complete the "Chim's Kicker" campaign.
Perform 100 or more surprise attacks.
Defeat 5 or more PKers in the same volume.
Complete Vol. 1 Rebirth.
Speak to 10 or more PCs in the same volume.
Kick or use your bike to ram a Lucky Animal 5 or more times.
Win 100 or more battles.
Alchemize an item.
Perform 100 or more Rengeki attacks.
Rescue Mecha Grunty 5 or more times.
Achieve an overall S-rank area result.
Kick or use your bike to ram 30 or more Chim Chims.
Ride your bike.
Conduct a trade with an ally. (Allies will still count as allies before exchanging member addresses.)
Give a gift to an ally. (Allies will still count as allies before exchanging member addresses.)