Full list of all 49 Serious Sam: Tormental achievements.
The base game contains 30 achievements, and there are 2 DLC packs containing 19 achievements.
Discover the secret behind the vault doors
Find weapons in Nightmare Caves
Collect all types of buddies
Reach even higher score
Reach high score with bulb
Find weapons in sea area
Reach high score
Rescue Bulb
Do several brutal kills with Sam without losing HP
Chain 12 Bombhead kills
Rescue Bomb
Find and equip specified powers
Reach Vault In Loop 3
Reach Vault In short time
Defeat Exotech Larva in 30 seconds
Reach Vault In Loop 2
Complete the Nightmare Caves
Complete the Sea of Thoughts
Rescue Netricsa
Bring the first key back to keymaster
Discover Vault
Complete the Mentals Fantasy
Find the entrance to the pyramid
Have 7 Serious Weapons and 9 Serious Weapons related Powers
Have 1000 shields
Open 50 chests
Collect 13 serious weapons
Survive getting hit by explosions 30 times
Combo 250 figments
Combo 100 figments
Complete Fortress with Ugh-Zan Jr
Save Ugh-Zan Jr.