All Half-Life Games Are Free to Play Until March

Half-Life: Alyx launches in March, so Valve decided to offer anyone with a Steam account free access to all existing Half-Life games until launch day.

Half-Life celebrates 25th Anniversary with new update, game is FREE right now

All Half-Life games are free on Steam for the next two months

All Half-Life games are now free to play on Steam for a limited time

Valve Index

Bought these yesterday. Which of these are multiplayer only ? : r/HalfLife

News - Play Now For Free - Half-Life Series

Half Life: Game Of The Year Edition : Free Download, Borrow, and Streaming : Internet Archive

Every Half-Life game is free-to-play on Steam for the next two months

Half-Life Series Is Free-to-Play on Steam Until Half-Life: Alyx Launches

Half-Life: Alyx on Steam

Now modders are using Half-Life: Alyx to get Half-Life 2 working in VR