If they're old enough you could cell that stuff and get like 1k.
They're pretty old, like windows 95-98, no dos games really, maybe 50 or so. Maybe I will look through the one in my closet and post honorable mentions.
Okay here we go, games worth mentioning just in my closet:
Valve games actually on disc:
Half-life
Day of Defeat
Team Fortress Classic
Counter-strike(actually titled Half-Life:Counter-Strike)
Half-life Opposing Force
Half-life Blue Shift
Half-life game of the year edition
Other Games:
Take No Prisoners
Diablo 2
Nerf Arena Blast
Tomb Raider 3
Skateboard Park Tycoon
Small Soldiers
Hunter Hunted
Dogz
Sonic the Hedgehog
Fast Food Tycoon
Starcraft
The Daedalus Encounter(like 5 CDs)
Duke Nukem 3D
Outwars(my favorite game ever at the time)
Midtown Madness(2nd favorite)
Hot Wheels Stunt Track Driver
Lego Island
Battlefield 1942
Moto Racer 2
Unreal Tournament 2003
SimCity 3000
The Sims
Primal Rage( some like mortal kombat with monster game I bought from a chinese game fair, may not even be English)
GTA 3
Splinter Cell
Toy Story
Need For Speed SE
Quake 2
Tomb Raider Gold
Lego Creator.
And a lot more that like never even worked or have no titles, like one is just a picture of a bomb on the CD and not even a name maybe I will put it in. Oh whoops Daedalus Encounter is for my 3DO :3