PUZZLES
Playable Puzzles
Daily Tridem and CRYPTEM, plus the browser-playable Labs.
Daily
- DAILYNo accountTridem1/5 very easyThree slide as one — a weekly arc
- DAILYFree accountCRYPTEM1/5 very easyReel cipher — a daily cipher lock
- Math?DAILYPremium $5/mo →Math?The symbols lie — a daily rule-deduction number puzzle
Weekly
Monthly
Stages
Labs
Tools
How hard are today's puzzles?
Every puzzle's difficulty is set when we build it. Here it is, before you play.
Today is an easy day
- TRIDEMDifficulty 1/5 very easyToday's rule: Gravity — After every move, everything drops down.Play →
- CRYPTEMDifficulty 1/5 very easyPlay →
- Math?Same difficulty every dayexactly 21 movesPlay →
How hard the next 7 days are
A taller bar means harder. The dark day is today. Left bar is TRIDEM, right bar is CRYPTEM.
- Sa2026-09-19 TRIDEM Difficulty 1/5 very easy · CRYPTEM Difficulty 1/5 very easy
- Su2026-09-20 TRIDEM Difficulty 3/5 normal · CRYPTEM Difficulty 2/5 easy
- Mo2026-09-21 TRIDEM Difficulty 2/5 easy · CRYPTEM Difficulty 1/5 very easy
- Tu2026-09-22 TRIDEM Difficulty 2/5 easy · CRYPTEM Difficulty 1/5 very easy
- We2026-09-23 TRIDEM Difficulty 2/5 easy · CRYPTEM Difficulty 2/5 easy
- Th2026-09-24 TRIDEM Difficulty 2/5 easy · CRYPTEM Difficulty 1/5 very easy
- Fr2026-09-25 TRIDEM Difficulty 2/5 easy · CRYPTEM Difficulty 2/5 easy
- TRIDEM
- CRYPTEM
- today
Puzzle Lineup
Morning TRIDEM, noon CRYPTEM, evening Math?, plus the weekly and the monthly. Play whenever you like.
This Month
A day fills in once you solve at least one puzzle. All three games get a bold outline.
1+ solvedAll 3 solved
Puzzle meets YouTube
All videos →Videos around our puzzles — the ideas and stories behind them.