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.
Complete the "Bikman's Model" campaign.
Complete the "Highway Master" campaign.
Complete the "Chase the Bounty" campaign.
Complete the "Lucky Data" campaign.
Open the gallery after having collected all cards in Crimson VS in Vol. 3.
Complete the "Stray Mecha Grunty" campaign.
View all Parody Mode content.
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.)
Participate in 200 or more Arena matches.
Perform 200 or more Awakenings.
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.
Perform 200 or more counterattacks.
Participate in 50 or more Arena matches.
Alchemize 100 or more times.
Watch an engagement event.
Complete Vol. 3 Redemption.
Conduct 50 or more trades with allies. (Allies will still count as allies before exchanging member addresses.)
Win 1000 or more battles.
Achieve an overall A-rank area result 50 or more times.
Perform 50 or more counterattacks.
Perform 10 or more Avatar Awakenings.
Complete Vol. 2 Reminisce.
Perform 500 or more surprise attacks.
Win 500 or more times in Crimson VS in Vol. 2 and 3.
Ride your bike for over 30 minutes.
Perform 50 or more Awakenings.
Win 500 or more battles.
Perform 300 or more Rengeki attacks.
Give 30 or more gifts to allies. (Allies will still count as allies before exchanging member addresses.)
Collect a total of 60 or more 2nd Area Words in Vol. 2 or 3. (Carrying over save data is recommended.)
Win 100 or more times in Crimson VS in Vol. 2 and 3.
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.)
Complete Vol. 1 Rebirth.
Complete the "Chim's Kicker" campaign.
Defeat 5 or more PKers in the same volume.
Speak to 10 or more PCs in the same volume.
Rescue Mecha Grunty 5 or more times.
Perform 100 or more surprise attacks.
Perform 100 or more Rengeki attacks.
Conduct a trade with an ally. (Allies will still count as allies before exchanging member addresses.)
Win 100 or more battles.
Kick or use your bike to ram a Lucky Animal 5 or more times.
Give a gift to an ally. (Allies will still count as allies before exchanging member addresses.)
Ride your bike.
Alchemize an item.
Kick or use your bike to ram 30 or more Chim Chims.
Achieve an overall S-rank area result.