Blade (the mod has inner bugs, but they don't interfere with a game progress).Betrayal (the mod has inner bugs set gl_allow_mirrors to 0 to prevent drops of game's perfomance in some areas).Absolute Redemption (there is also an old version of the mod, named Redemption, but it's compatible only with WON Half-Life v1.0.1.6 or earlier).
A Dream, aka Map a Dream by Skals (set fps_max to 60 to prevent a possible sticking of the box in the elevator at the map comp28m2).
Successfully completed Half-Life themed mods (or which are using in a most part original Half-Life resources, weapons and characters): DETAILED LIST OF SINGLEPLAYER HALF-LIFE MODS, WHICH HAVE BEEN TESTED FOR COMPATIBILITY WITH XASH3D