Due to it's shorter size and less focused level design if we compare it to Half-Life 2, it does end up being a slightly less fun experience if you play it normally, HOWEVER, the best one in the franchise when it comes to completing it, no clue why it's the only one that challenges you with completing the game only using the Gravity gun, but god is it fun to do so, also made me notice how great of an NPC companion Alyx is