Portal 3 may actually be a real possibility now following a new development. As you likely know, Valve pretty much avoids the number three like the plague. It’s a big gag following the fact Half-Life 3 never came to be despite many reported attempts and while it seems like it could happen now after the success and ending of Half-Life: Alyx, we have no idea if it will ever actually happen. This trend continued with Portal 2, Team Fortress 2, and Left 4 Dead 2 never receiving proper sequels, creating a lot of questions about why Valve is just refusing to make threequels. There are a variety of reasons for this, largely stemming from the fact that these are huge games and follow-ups are probably quite difficult to make. Valve is also structured so that anyone can work on whatever they want, meaning developers have to rally a group together to make a game and ensure they all stay…