Hawken is a multiplayer first-person action, fps and vehicle combat game.
The game was removed from Steam on January 2, 2018 and its servers were shut down.
A group called Hawken Refugees have setup a Discord server for coordinating offline play and multiplayer servers.
This game is no longer available for PC.
Use the -nomoviestartup command line argument.
The game requires the player to type his password each time it's launched. This can be avoided using the launch properties in Steam.