shotgun man- kill 2000 things with a shotgun
bug overkill- kill a roach with a rpg.
assassinated assassins- kill all the assassins in the game (you can miss them i walled right by one shooting at another one once)
wtf how- get killed by a head crab
nuke- set of 15 explosives at in a 3 second time frame
button presser- press 5 buttons that aren’t important
shut up- kill a scientist wile he or she is saying something random
snark self kill- kill your self with a snark
crowbar tank- kill a armored enemy with a crowbar(i ran out of ammo on the first tank you can kill in hl1 so it is possible or was)
dam dogs- kill ever hound eye
do no evil- get through the game with out killing a scientist
i like lasers- set of every trip wire in the game
out of cash- destroy ever vending machine in the game
mortar strike- kill a garg with a bombing run
miner 49er- kill 49 things with trip mines
oh sh__- fall to your death
lift that helps- kill 3 enemy’s will being lifted by a barnical
and a joke one
wheres alyx- forget your not playing hl2 and try to find a gravity gun