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