Project Borealis is finally coming to Steam, to give you a taste of what Half-Life 3 or Half-Life 2: Episode 3 could have been. A good time to do so, since we're coming up on the 20th anniversary of Half-Life 2.
Read the full article here: https://www.gamingonlinux.com/2024/11/half-life-3-fan-game-project-borealis-prologue-gets-a-steam-page-due-out-soon