How do the daily challenges work?
- 120games
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A daily challenge is a fixed version of the game for that day, the same for every player, and it resets at 00:00 UTC. Open a game from this page and start its daily. Your result is a fair comparison with everyone else's, and every daily is free to play in your browser, with no download and no account.
Finishing any daily challenge counts toward a daily streak, which the game page shows next to your progress in that game.
Which daily should you start with?
For a deal or a position, 
Goldfield Solitaire gives the same deal, and 
Boxwood Chess the same opening. 
Ninefold Sudoku publishes four puzzles, one per level.
For a short timed run, 
Ingot Factory Tycoon sets everyone on the same plot for four minutes, and 
Tegula 2048 gives the same 4x4 board and a best score in 150 moves. In 
Altura Stack everyone drops onto the same tower once a day, scored against everyone who played it.
For a match, 
Baize Pool has the same match against Greta, and 
Deepvein Mine Tycoon the same five-minute mine.
Do all games have one?
Almost all of them. This page gathers the games with a daily mode, so a game that is not listed here does not have one. Some do not, such as 
Zarif Backgammon and 
Vallum Tower Defense.
Frequently asked questions
Does my streak break if I skip a day?
The streak carries on as long as you finished a daily challenge today or yesterday, in any game. A full day without one starts it again from zero.
Can I take my daily results to another device?
Yes. A sync code carries your results, streak and the rest of your progress to another device; create it on one and enter it on the other within 24 hours.
Can I replay a daily challenge?
That depends on the game. 
Glimwick Road Crossing, for example, gives you one attempt at the daily route, so make it count.