Overview International Online Soccer is a Source-based modification that is currently far into the development of the newest version. As a mod we have been around for 10 years on the Half-Life/GoldSRC and Source engines, though the upcoming version is a complete re-write and overhaul of the game on Valve's Source engine,…
While we don't have experience with Valve's source engine we have done a bunch of soccer animations, particularly the goalie for a penalty kick game this year so I imagine that'll be even more relevant. I'll fire you off an email here pronto