The bumpercars_1.5_upgrade.exe file you have requested: Mods / Multiplayer / Bumper Cars / -Releases / Patches / Half-Life: Bumper Cars Mod Patch - 6.78mb is not available. Perhaps try browsing all files for the game Half-Life and upload any files you want to share or are missing. This is the only information we could locate:
Bumper Cars takes several great characters from around the Half-Life community and pits them against each other for the first time ever. Naturally you win by bumping your opponent to his death. Of course there is a bit more to it than that. In fact you should expect a few little surprises along the way.