Vegas Poker is a color poker game. See also: Video Poker which is the exact same game by the same author, re-released 2 years later under a different name.  

A game heavily inspired by, but not a direct clone of, the classic game Space Taxi on the C64. Ferry customers across the play area, be mindful of gravity effects, manage your fuel and watch out for hazards!

Jack is basically a game of GO clone with a big board and it features the author's face looking at your mouse cursor! :P See also: GO  

Isolation! is a turn based strategy board game where you can play single player against the Mac's AI or up to 4 players in hot seat configuration.  Each turn you can click a board's tile to dissolve it, unless another player dissolved a...

Lemmings Cheat lets you cheat in the orignal early 90's Lemmings game.  

Knight is a simple puzzle game where a totally empty chessboard is presented to you and you must place 1 knight piece and move it legally (in "L" shape) on every single chessboard square without ever going back to an already visited...

Gutterball is a bowling game for Mac OS X. Nothing much to say about it. Just a good version of bowling.

BabelBlox is a shareware puzzle game similar in concept to Sega Swirl for the Dreamcast.

Hunting the Eland is a text-based adventure game.  You have an inventory to retain items that you take throughout the game and your money stash.  

Influence is a hexagonal puzzle in which you move against the AI (or in hotseat versus another player) and each turn you explore the dungeon.  On each level, you obtain a special power that you can use onward.  

A two player space combat game. Bump/shoot/manuver your opponent into the big sharp spikey deathtrap which genarally resides in the middle of the screen. Utilise powerups, asteroids, sheer luck, and your opponent's ineptitude...

A straight-forward multiplayer tank game where two people navigate an arena trying to blast one-another. Use the map to find your opponent and pick up power-ups to keep things interesting. Bouncy-bullets genarally seem to be the most...

King Albert is a game of Solitaire.