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