Free

Abombniball
Guide a bouncing ball around a grid of tiles in order to defuse bombs placed around the grid. (Linux)
http://akawaka.csn.ul.ie/abombniball.php3

AirXonix
An 3D remake of Xonix game for Windows in which you partition the playing space to trap balls.
http://www.atomax.com/airxonix.stm

Alhademic Balls
A small collection of board logic games with some arcade elements. (Windows)
http://www.freedownloadscenter.com/Games/Mind_Games/Alhademic_Balls.html

BeeLines
Game for Windows in which you move balls around to line up balls of the same color. Each time a ball is moved, three more appear, and five in a row disappear.
http://www.atomax.com/beelines.stm

Bejeweled Deluxe
Download and strategy guide with how to and scoring guide.
http://www.bejeweled.info/

Beshaped
Windows game based on the popular game Bejeweled but allows building five different shapes instead of just lines.
http://cloud.prohosting.com/pejosoft/BeShaped.htm

Black Box
Find the hidden crystals by shooting balls and watching how they bounce. Available for Windows, Linux, Mac, and BeOS. (Open Source, GPL)
http://user.cs.tu-berlin.de/~karlb/black-box/

Bobo
Match the cartoon characters and make them disappear before more take their place. (Windows)
http://www.geocities.com/adrian_maior/Bobo.html

Brezeegerland
'Tic-Tac-Toe' and 'Mastermind' written in C++ with sounds for Windows.
http://www.brezeegerland.com/freestuff/games.htm

Bricks
Games for Windows involving blocks and bricks.
http://www.bricks-game.de/

Buckley's Traffic Computer
Your aim is to keep traffic moving by changing the signals. (Windows)
http://www.fairgame.org/buckley/

Castles BlockBusters
Eliminate blocks to proceed to the next level for Windows.
http://www.geocities.com/castles_blockbusters/download.html

Clickomania
A windows game very similar to 'Same Game' in which you try to remove as many squares as possible.
http://www.clickomania.ch/click/

7colors
Fill half the board with your color against another player or the computer for Linux, DOS, or Windows. (Open Source)
http://digilander.libero.it/sbel/7colors.english.html

Critical Seeker
Spot the five differences between two virtually identical images. (Windows)
http://www.downloadatoz.com/criticalseeker/

Deadly Rooms of Death
A game of dungeon exploration for Windows. Includes screenshots, tips and tricks, download, game information, and news.
http://www.drod.net/

Deflektor
Use the mirrors and walls to direct the laser and destroy all the detonators before time runs out. This Windows game starts in Spanish but is configurable to English in the Opciones menu.
http://retrospec.sgn.net/games.php?gamelink=5&lastview=full

Devet
Includes downloads, rules, and online play for an abstract strategy puzzle game. Play on mobile phones and PDAs is also supported.
http://mordred.dir.bg/devet/

Free Puzzle Arena
Several games such as 'HampsterDeath', 'Insane', and 'Tetanus' all in one download for Linux, DOS, or Windows. (Open source, GPL)
http://pineight.8m.com/fpa.htm

Funny Ball 2
Move a marble around a maze to gather coins while overcoming obstacles. Includes screenshots, downloads, skins, and instructions.
http://www.funnyball2.com/

Gem Drop X
You are at the bottom of the screen, clear the falling gems before the squish you. (Linux or BeOS)
http://www.newbreedsoftware.com/gemdropx/

glFold
A protein folding game for Linux.
http://glfold.sourceforge.net/

Intelligent FRAC
An open source Linux clone of 'FRAC', a 3D packing game.
http://www.geocities.com/xifrac/

Jewels Of Anubis
Win Pharaoh's treasure by removing all the jewels from the screen in this Same Game clone for Windows.
http://www.zapspot.com/games/Jewels/

jTans
A Java version of Tangram, an ancient Chinese puzzle. It can be run as a Java 2 applet, a standalone application, or a Web Start application. [Open source, GPL]
http://jtans.sourceforge.net/

The Lame Game
A version of 'Peg Solitaire' for Windows.
http://www.fortunecity.com/skyscraper/centre/261/index2.html

Laser Tank
A game for Windows in which you must get your tank to the flag.
http://www.jccontrols.net/laser/

Metasquarer
This recreation of Metasquares allows online play.
http://www.programmerfaq.com/compnut77/msquarer.html

Minesweeper
A clone of the popular game that comes with Windows. This version is written in Java that can be played in your web browser or downloaded. (Open Source)
http://www.hut.fi/~mantell/Minesweeper.html

Mirror Magic
Arcade style game for Unix, DOS or Windows in which you must route a laser beam.
http://www.artsoft.org/mirrormagic/

Mr. Pig
Gamble on the number of matches that your opponent is holding. (Windows)
http://members.aol.com/jbswin95/mrpig.htm

Nineteen
Windows version of number game usually played on paper. (Registration required)
http://dimson-prg.freehomepage.com/MyPrograms.html

Pic-Tac-Toe
Strategy game for Windows.
http://familygames.com/free/ptt.html

Pingus
Lemmings clone for Linux or Windows.
http://pingus.seul.org/

PipeNightDreams
A PipeMania work alike for Linux in which you keep the sewers from overflowing by building pipes. [Open Source - GPL]
http://www.libsdl.org/projects/pipenightdreams/

PocoMan
A logic and strategy game for Windows featuring the clever and funny character PocoMan. A 21st century super-hero of microscopic proportions.
http://www.sleepless.com/pocoman/

Puffercatch
Catch falling objects while dealing with random direction changes and mid-air cloning. (Windows)
http://www.angelfire.com/biz7/asmproductions/puffercatch.htm

The Rooster's Balls
Same Game variant for Windows with bonus white and black balls.
http://www.angelfire.com/home/rooster1024/

Rotating Insanity
A 'Rubik Cube' for Windows.
http://www.fortunecity.com/skyscraper/centre/261/index1.html

Same-X
Mac OS X version of 'Same Game' in which the goal is to group and remove as many objects of the same color as possible. Screenshots, development history, executable, and additional themes.
http://www.thumpbunny.com/

SDL Lopan
Japanese tile game for Linux.
http://www.xdr.com/dash/sdllopan.html

SoftHeap Logic Puzzles
A set of challenging tile-based games and puzzles that use the same basic game engine. Titles include 'AbcPuzzles', 'Cyclanoid', and 'AlterJig'.
http://www.softheap.com/logic-puzzles.html

Sophistry
Reach the 21st level of an enormous network of interlocking screens. Contains screenshots, download, and game description.
http://www.ysrnry.co.uk/articles/sophistry.htm

Spots3D
3D visualization for Windows of Spots (Hexagon) and Lines logic games.
http://www.geocities.com/udodenko/spotsrul.html

Spryjinx
Puzzle competition for DOS in which you must outwit and eliminate your opponent, or evade and outscore him.
http://www.bucketweb.com/spryjinx/

Square-Off
A puzzle game for Windows based on an old Japanese game. (Advertiser supported)
http://www.metalgrass.com/squareoff/

5star Free Lines
Logic game with network play, music, and skins in which the players align balls of the same color in a row.
http://www.atomax.com/lines.stm

Supaplex
A VGA game similar to BoulderDash. Includes links, news, and information.
http://www.elmerproductions.com/sp/

TicTacTic
A variation of tic-tac-toe for Windows or Linux that introduces the concept of 'aging cells'. [Open Source, GPL]
http://tictactic.sourceforge.net/

Tile Fall
Same Game clone for Windows in which groups of colored tiles are removed from a grid.
http://www.adamdawes.com/windows/win_tilefall.html

Tomato Blaster
Collect the coins, find the exit, and avoid the monsters in this block pusher for Windows.
http://www.tomatoblaster.com/

Train Dispatcher 2
Simulates railroad traffic control on track territories located around the world. (Windows)
http://www.signalcc.com/train2/td2freeware.html

Treciokas Games
Two falling block games, one with diamonds and the other using triangle shapes. Also offers a maze game where the goal is to collect moving objects in a certain order while avoiding perils. [Windows 95/98/ME/NT/2000]
http://www.webruler.com/mtreciokas/

Trog3D
An arcade style, Pacman influenced, 3D puzzle for Windows.
http://www.geocities.com/trog_3d/

Volcano
Save villages from deadly lava flows by changing landscapes. Screenshots, download, and contact. (Windows)
http://eicart.free.fr/volcano/

WormWorld
Guide the worm to the exit via antigravity, barricades, and bridges. Includes download for DOS and a level editor.
http://www.geocities.com/hirak_99/goodies/wworld/wworld.html

X-Crillion
Control a colored Ball through a Labyrinth of stones on X-Windows. To win a level you have to destroy the spider-stones and scorpion-stones in each level.
http://page.inf.fu-berlin.de/~mkrueger/xcrillion/

XLogical
Direct marbles to fill hoppers to finish each level. (Windows or Linux)
http://changeling.ixionstudios.com/xlogical/