PUZZLES
可游玩的谜题
每日更新的 Tridem(七曜弧)与 CRYPTEM(转轮密码),以及浏览器即玩的研究室。
每日谜题 / Daily puzzles
- 无需账户
Tridem
Three slide as one — a weekly arc
A daily sliding puzzle whose rule changes by weekday. Slide three pieces onto their goals. New every day; the full archive is free to browse. The engine itself verifies the unique solution.
- 免费账户
CRYPTEM
Reel cipher — a daily cipher lock
Rotate the reels until all five columns decode to their target digits. A logic lock whose cipher table is fully deducible from the opening position. Updated daily; the full archive is free to play.
- 高级账户专享
Math?
The symbols lie — a daily rule-deduction number puzzle
What the five symbols do to a number reshuffles every day. Deduce today's rules from nothing but the results of your placements, across three boards. Stage 1 forces every symbol once — yet never pins the rules down; the back half is engineered to betray your first theory. Updated daily; the full archive is free.