Mind Games for Palm

AIGO
A shareware Go program from Japan that pits you against your Palm.
http://www001.upp.so-net.ne.jp/iizuka/

Bridg-It
Palm OS implementation of this classic abstract strategy game. Build a bridge across the game board; stop your opponent at the same time. Challenge a friend or play against Bridg-It's artificial intelligence.
http://www.cyboursoft.com/games/bridgit/

Crosswords
Multiplayer crossword puzzle game (Scrabble) for the PalmPilot. Postcardware or shareware; you pick.
http://www.peak.org/~fixin/xwords/

Electrum Dominoes
A variation of All Fives for the Palm platform.
http://www.electrumsoftware.com.au/electrum_dominoes.html

PalmGo
Shareware that records and plays back Go games. It also serves as a portable Go board.
http://palm.pair.com/palmgo.html

PalmLinez
The goal of the game is to build up horizontal, vertical, or diagonal lines consisting of five or more one-style balls. Freeware.
http://www.chinyue.com/palm/palmlinez.html

PictureLogic
Also called paint by number or nonograms. Numbers on each row of the game board tell size of blocks which are filled in, but not how many spaces are between them. Goal is to fill the picture to match the numbers.
http://www.advant.com/users/Kwolcott/pictlogi.html

Sink the Ship
Sink all the ships of your enemy (Battleship clone). Freeware.
http://www.mulliner.org/palm/sink_the_ship.html

Super Tic Tac Toe
The regular old game. Play against the PalmPilot computer or another human player. Freeware.
http://worldexperience.com/palm/

Tiller Software Pilot Page
Two freeware logic board games for Palm. Fours goal is to put four tokens in a row, playing with a computer or human opponent. Marbles is a classic puzzle game, the goal is to remove all marbles from the board.
http://michiel.tiller.com/pilot/

Wordlet
Create as many words as possible out of the adjacent letter cubes in a 4x4 game board before the time runs out. By oopdreams software. Shareware.
http://www.oopdreams.com/wordlet/