Rumours seem to be that Alyx is the playable character and it's set between the events of HL and HL2. So maybe you and your robotic dog sidekick that your dad

Rumours seem to be that Alyx is the playable character and it's set between the events of HL and HL2. So maybe you and your robotic dog sidekick that your dad built get to try and survive with all the wild aliens around, until the organized aliens show up.