Here is the full list of all 35 Valfaris achievements.
Finish the game in Full Metal Mode.
Complete the game in under 2 hours.
Finish the game with 10 or fewer deaths.
Drop the wrecking ball on the Junk Gargoyle.
Parry Hydravok’s heads 3 times in a single life.
Discover every secret area.
Destroy all 9 Tetra Sentries in the Power Chambers in a single life.
Kill 10 Hive Workers by reflecting their gunk balls back at them in a single life.
Kill all 8 leaping Swamp Worms in the Eco-Dome.
Finish the Landing Pad without activating any checkpoints.
Defeat Hydravok.
Find every weapon.
Kill Furrok by delivering the final blow with his own flaming hammers.
Defeat Furrok.
Upgrade 10 different weapons at least once in a single playthrough.
Fully upgrade a destroyer weapon.
Fully upgrade a melee weapon.
Exchange 15 Resurrection Idols for Blood Metals in a single playthrough.
Defeat the Ironclad Desolator.
Destroy 60 crates in a single playthrough.
Destroy 70 lights in a single playthrough.
Fully upgrade a pistol weapon.
Motivate a Stone Worm in the Worm Tunnels 10 times during a single ride.
Defeat Itnan.
Defeat Lord Jylskel.
Kill 1000 enemies in a single playthrough.
Parry an enemy melee attack 15 times in a single playthrough.
Defeat the Exterminator.
Hit an enemy with a Shield Counter-Blast 25 times in a single playthrough.
Die 50 times.
Defeat the Bloodstalker Queen.
Slash and destroy 40 projectiles in a single playthrough.
Upgrade a weapon for the first time.
Defeat the Junk Gargoyle.
Die for the first time.