Card games
There are numerous interesting card games known to the whole world. You can find solitaire, poker, blackjack and other favorites here.
YGOPro
123 Free Solitaire
Sylvenia
Niggle
GameBox Solitaire
PySol Fan Club edition
Evil Cards
Spellweaver
Ronin Solitaire
Multiplayer Belote
King Card Game
Bacteria Solitaire
Quick Blackjack
Sabacc
Free FreeCell Solitaire
LOTTORIX
Mystery Solitaire - The Black Raven
Terrace Solitaire
EasyBridge
Quick Bridge
Multiplayer Gin Rummy
Red Dog
Tams11 Cribbage Box
SolSuite
BVS Solitaire Collection
Pokémon Trading Card Game Online
100% Free Hearts
EcoThunderBall
Mammoth Solitaire
Bridge Base Online
Discover FDM
Add-on support
You can get add-ons that download files/video from arbitrary websites.