Full list of all 40 Last Oasis achievements.
The base game contains 35 achievements, and there are 2 DLC packs containing 5 achievements.
Complete the tutorial
Kill a Rupu
Build a Firefly Walker
Kill a Phemke
Man your first walker
Travel out of your Cradle
Kill a player
Kill 100 players
Kill 1000 players
Block 10 attacks from other players
Block 100 attacks from other players
Block 1000 attacks from other players
Block 10000 attacks from other players
Hit other players 10 times
Hit other players 100 times
Hit other players 1000 times
Hit other players 10000 times
Finish all PvP melee combat achievements
Loot a draggable lootable chest with Ballista harpoon
Loot 1000 Rupu camps. They're just defending their homes...
Loot 1000 chests from ruins
Build a Dinghy Walker
Build a Stiletto Walker
Build a Buffalo Walker
Build a Tusker Walker
Build a Schmetterling Walker
Build a Proxy Walker
Build a Toboggan Walker
Build a Falco Walker
Build a Titan Walker
Build a Nomad Spider Walker
Build a Spider Walker with Ballista
Build a Hornet Walker
Kill a Nurr
Kill an Okkam
Build a Balang Walker
Build a Silur Walker
Use a Superblow on a Battle Fan
Participate in a successful worm hunt
Deal the killing blow to a worm