Here is a product that actually allows you to connect a keyboard and mouse to your xbox 360 and play games using them. Imagine the advantage of using a keyboard and mouse rather than an xbox 360 controller.
Toadwater
http://www.toadwater.com
Toadwater is a unique MMO, centering around the concepts of farming and crafting. The player takes on the persona of a dwarf, who can do a variety of things, such as planting trees and whittling the wood that results from cutting them down.
The game starts deceptively simple, but as players gain levels more and more options open up to them.
Level Up!
http://www.niftyhat.com
Awesome flash game where you collect and gift the characters gems to restore your memory and improve your skills. Adorably sweet retro 8-bit soundtrack included.
McVaffe - Freestyle Dojo (Street Fighter II: The World Warrior)
http://www.freewebtown.com
Alright, so maybe they never actually battled the streets themselves as the name implied, but Overclocked Remix serves us up a staggering variety of Street Fighter 2 remixes and takes us back to the good old days when even a moment's hesitation could see you tossed clear across the screen. Here, McVaffe delivers a trance version of Ryu's theme, complete with "Hadoken!" samples that resonate eerily like something from a distant past life.
Necronomicon 2
http://media.y8.com
A free Lovecraftian card game. Most cards cost Sanity to play. Upgrade your Arcane to increase your effectiveness. Bolster your defense with Elder Signs. Taint your opponent for automatic per-turn damage - try and avoid getting Tainted yourself. Summon various creatures to assist, but watch that Sanity!
The Space Game: Missions
http://www.freewebarcade.com
An intriguing space-based RTS. Develop and maintain a mining network while simultaneously building adequate defense outposts at its furthest reaches to ward off fleets of attacking ships.
Upgrade Complete
http://armorgames.com
The latest offering from Armor Games, Upgrade Complete is a vertical shooter that lets you earn money for upgrades. The difference is that everything can be upgraded, including the graphics, the sounds, and the user interface. (In fact, you pretty much have to.)
Prizma Puzzle
http://game.arcadebomb.com
Get the beam of light to the target.
Electric Box
http://www.candystand.com
Free Flash game. Get the electricity to the target, using various devices.
The Codex of Alchemical Engineering
http://www.zachtronicsindustries.com
Free alchemical-themed Flash game for engineers. Manufacture compounds using arcane runes and present-day programming deftness.
