Here is the full list of all 38 Vaporum achievements worth 1,000 gamerscore.
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Score 250 blunt weapon hits on enemies.
Score 1500 blunt weapon hits on enemies.
Push or pull a pushable object 200 times.
Walk 3000 tiles.
Walk 9000 tiles.
Cause 25 enemies to die by falling.
Deal 100,000 damage.
Deal 250,000 damage.
Score 250 blade weapon hits on enemies.
Score 1500 blade weapon hits on enemies.
Evade 200 enemy attacks.
Evade 750 enemy attacks.
Kill 100 mechanoids.
Kill 250 mechanoids.
Kill 100 humanoids.
Kill 250 humanoids.
Block 30 enemy attacks.
Block 180 enemy attacks.
Use gadgets 50 times.
Use gadgets 300 times.
Score 150 handgun hits on enemies.
Score 900 handgun hits on enemies.
Score 75 rifle hits on enemies.
Score 450 rifle hits on enemies.
Score 2 critical hits in a row with any weapon.
Score 3 critical hits in a row with any weapon.
Fill your inventory to the brim.
Equip the Runkralf's item set.
Beat the game on the Old School mode.
Beat the game on the Elite mode.
Beat the game on the Old School and Elite modes on at the same time.
Defeat the main boss.
Beat the game within 90 minutes.
Beat the game on the highest difficulty level.
Take no more than 3000 damage in a single playthrough on Hard or Brutal difficulty.
Find all regular secrets in the game.
Find the super secret room.