HL 1 and 2 are similar yet different, and some aspects or "things" got lost in the transition. For me one such "thing" was the odd/out-there weapon, like the gauss gun, ik the gravity exists but unless supercharged or with objects around it can't really be used as a weapon. What "thing" from HL 1 would you've liked to be on HL 2?
Now let's imagine Gordon being in the pic
10
(Don't) wait for it