For First Time Doku Players
Doku Basic 101 : Bird's eye view of Doku
Doku Basic 102 : Three basic rules of Doku (or Sudoku)
Doku Basic 103 : How to start a new puzzle and play
Getting serious with Doku
Doku Basic 104 : Basic input methods (including a neat speed trick!)
Doku Duel : a Must For both New and Serious Doku players
A Two minute tutorial on how to play Doku Duel
A tutorial on how to play Doku Duel via Dokugram
Tutorials on the use of Memo functions
Following videos about Memo are for Doku players at levels Red and up.
How to add memo items for a cell
Ways to delete memo entries
Shortcuts to view memo items
Tricks for quickly adding many memo items
Sticky mode + Memo : quickly add a particular memo item to several cells