Here is the full list of all 47 Temtem achievements.
Capture, evolve, or hatch all the different Temtem species.
Capture, evolve, or hatch 151 different Temtem species.
Participate in a Temtem tournament.
Win a ranked battle.
Complete the classificatory rounds by playing 10 ranked competitive matches.
Explore and complete a Lair with a 3-player party.
Explore and complete a Lair.
Decorate your house with at least 20 different items of furniture.
Show a 5/5 Koish before showing a 4/5.
Complete all the FreeTem tiers in one week.
Complete three food parcel deliveries in the same day.
Perfect a Temtem's SV using telomere hacks.
Rename a non OT Temtem.
Defeat Tihani in a Dojo Leader rematch.
Defeat Yareni in a Dojo Leader rematch.
Defeat Musa in a Dojo Leader rematch.
Defeat Dr. Sasaya in a Dojo Leader rematch.
Defeat Murdag in a Dojo Leader rematch.
Defeat Percival in a Dojo Leader rematch.
Defeat all Dojo Leaders in rematches.
Defeat Rawiri in a Dojo Leader rematch.
Defeat Sophia in a Dojo Leader rematch.
Wear a fully dyed clothing item in each slot, without repeating any dye.
Drop a WishYouWell Coin in each well.
Wear a fully dyed clothing item in each slot.
Obtain 20 different clothing items.
Successfully interact with the altar at Inner Flame.
Set your squad with all of Tuwai's evolutions.
Get a level 100 Temtem with all perfected stats, fully TV trained, and including all egg techniques in its learnset.
Instantly hatch a Temtem using an Incubator Ticket.
Successfully interact with the altar at Dabmis' Rest.
Successfully interact with the altar at Aisha's Hearth.
Successfully interact with the altar at Kami Shrine.
Successfully interact with the altar at Chieftain's Barrow.
Capture, evolve, or hatch a Luma Temtem.
Complete the 400 encounters successfully in a radar.
Capture one of the two available Temtem species at Saipark.
Complete the main questline.
Perfect a Temtem's TV using fruits.
Capture or hatch a perfect Temtem.
Ring the bell on any elevator.
Successfully interact with the altar at Sons of Crystal.
Capture or hatch each starter Temtem.
Breed a Temtem with an egg technique.
Have an item 99 times in your backpack.
Teach a Technique Course to a Temtem.
Equip a gear item to a Temtem.