There are many Klondike Solitaire games available on the internet that you can play in your browser; but, it is hard to find one that is ad free, until now. You need to check out, Solitaire Online.
Solitaire Online is one of the nicest looking Solitaire games I’ve come across that can be played full screen in your browser without any ads glaring nearby.
Unlimited undo option (‘CTRL’ + ‘Z’ option for Computer Geeks).
Retry function that allows you to start new game with same cards at start.
Auto move cards by double clicking them or single RMB click. – Animated gameplay with on/off option.
You can play offline. – Different themes, backgrounds and card backs to choose from.
Klondike Solitaire for 1 and 3 card draws and Spider (1 suit, 2 and 4 suits).
Auto flip cars on/off option.
Support two language options: English, Polish.