Here is the full list of all 62 Nexomon achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Capture the ultimate Nexomon Omnicron!
Collect all monsters! A true master!
Capture the legendary plant Nexomon Nara!
Capture the legendary Mineral Nexomon Grunda!
Capture the legendary electric Nexomon Luxa!
Capture the legendary warden of plant Tikala!
Capture the legendary warden of water Darine!
Capture the legendary warden of wind Hexia!
Capture the legendary warden of thunder Krowr!
Capture the legendary warden of mineral Titan!
Capture the legendary fire Nexomon Fona!
Capture 300 wild Nexomon.
Defeat ALL tamers in battle around the world!
Capture the legendary warden of fire Ogoon!
Capture the legendary wind Nexomon Ventra!
Capture the legendary mystery Metta!
Capture the legendary water Nexomon Arqua!
Collect all 41 Nexomon fragments and get the radar!
Defeat Omnicron (again) and save the world (again)! Congratulations!
Own a reborn Nexomon and reach level 99+.
Defeat the warden of wind Hexia!
Defeat the warden of thunder Krowr!
Own a reborn Nexomon and reach level 60+.
Defeat the warden of fire Ogoon!
Defeat the warden of Mineral Titan!
Defeat the warden of water Darine!
Own a reborn Nexomon and reach level 30+.
Enter the mysterious Netherworld and complete your mission!
OWN A NEXOMON LEVEL 99+.
Battle Omnicron and become the new Nexolord!
Defeat Omnicron, the ultimate battle!
Defeat Zetta, the raging thunder.
Defeat Fenrir, the embodiment of pride.
Defeat Glacia, the jealous Overseer who won't let it go...
Defeat Grunda, the underground beast.
Capture 240 wild Nexomon.
Defeat Merida, the terror of the ocean!
OWN A NEXOMON LEVEL 60+.
Defeat 20 tamers in battle around the world!
Wasn't it obvious?
Defeat Merida in a volleyball match! Easiest win ever!
Capture 180 wild Nexomon.
Defeat Hilda, the master of the paranormal.
Defeat Nadine, the sky menace.
Capture 120 wild Nexomon.
Defeat Ira, the rocking Overseer of Fire!
Defeat 10 tamers in battle around the world!
Capture 60 wild Nexomon.
Defeat Remus, a man who knows no fear!
Win 500 battles in your adventure!
Win 400 battles in your adventure!
OWN A NEXOMON LEVEL 30+.
Win 300 battles in your adventure!
Win 200 battles in your adventure!
Capture 30 wild Nexomon.
Defeat Ivan, the Overseer! That's hardly an achievement, though.
Win 100 battles in your adventure!
Capture 10 wild Nexomon.
Win your first tamer battle!
Catch your very first Nexomon!
Beat a minion in your first real Nexomon battle!
Get your very first Nexomon! Now go and save the world, champ!