由 Mok 發表：Since Chell is free now I imagine Portal test subjects will be just those robots you see in Co-op. I do not see how Chell could be included in the Half-Life series when Valve has totally ignored Corporal Adrian Shephard From Opposing Source.
由 MasMoon123 發表：that is seriouslly an amazing idea. but where would you go with chell if she finds black mesa???