
KOSS is a free-to-play team-based online street-soccer-game. Create your own virtual Alter Ego that can be customized according to your very own taste and preferences. And customization does not stop at your preferred look and style, but also allows you to choose the skills and special abilities that match your personal play style.

A nice and (of course free otherwise wouldn’t be here) free game of tennis.
features:
MMOSG (Massively Multiplayer Online Sports Game)
Cutting Edge 3D Graphics
Mutiple play mode and Player created events
2-4 Player Matches
Advanced Leveling and Ranking System
Online Community features and chat system
Character and Item shop for character and equipment upgrades
Tournaments

Golden Fairway is a video golf game simulator with real 18 hole online multiplayer game competition. Charity fundraiser golf events are held at Golden Fairway weekly. Corporate sponsors use Golden Fairway as an advergame for advertising products.
Other (free) games about golf:
Shot Online
Albatross 18
Pangya
Chrysler World Tours 3.0

A nice soccer online game available in many countries.
Related games:
and many more just browse our archives.

Football Challenge 08 is a 3D football game for the PC. The game is free and is financed by advertising partners.

Kalicanthus is a game portal, where you can register and have access to nice browser games. Based on your nationality check the right domain (.eu .com) in the main page
Kalantichus Games Portal (international)
Link to wizards world 2 (italian)

Gymnast is a physics-based acrobatic game with 100% analog controls. The game makes use of a modern gamepad, using the analog thumbsticks to give 1-to-1 control over the joints on a gymnast character.
A nice trailer for this nice retro-soccer game…

Throw In is a football game inspired by classic gameplay games as for example Kick Off 2 and Sensible Soccer providing a ultra-fast action and responsive controls. The game it is during development but it is available a fully playable beta version. Just as classic games you can do anything on the pitch with just a classic joystick with a single fire button. A second button can be enabled though. The final version will probably be released in mid 2009. Until then you can testplay betaversions that are available for download.