Puzzle
Puzzles of all sort (other than those using cards) whether based on a physical board game or older concept, or a game where a puzzle is the primary gameplay mode.
3 of a Perfect Pair
5x5 Go! Go!
A Midsummer Daytime's Dream Plus
AI Go 3
AI Shogi
Arctic
Around
Asami-chan's Picture Diary
Block Kuzushi
Blockout
Bomber Quest
Calcutta
Ching Hai
Chitty Chitty Train
Color-kun Da!
Crim
Crystal Quest
Cycles Plus
Cycles Plus Plus
Devil Chain 2
Devil Chain 98
Dodeka Maze
Flash Chase
Gemini Snake
Gomoku Narabe 5M
Hai-Amam
Heart Ease
Kanth
Kitty World 2
Kurunpa!
Kyuukyoku Hen Maboroshi - Batorugyaru Saori
Mame Game
Marble Cooking
Marine Buster
Marines
Marple Magic
Marubatsu EXE
Master Hand
Migrain
Moldy World
Moldy World 2
Mon Mon Shinkei Suijaku 2
MZ3
Oskar's Cube
Panic Bomber
Pazz29
Plus
Princess Confusion
Puyo Puyo
Puyo Puyo 2
Ranma Ougi Jaanken
Record of Strange Beast War Kasutami
Rushing Anethesia Girl Alice
Sabnack
Sailor Sweeper
Scoop-kun
Sgeiyers
Shikinji
Shuuchuuryoku Yousei Gibs Konjou Hen
Snowman
Super Perfection
SWAP
The Incredible Machine
The Red
The Yellow
Tower of the Sorceror
Twinkle Twins
Twins
Urawa
Usagi
Vectors
ZuraZura Island