You know. For some time, i wanted to do litle thing called Half-life Bedlam, where i combine maps from whole HL1 trilogy into one campaign. It not gonna have logic, and some places would be tied by teleports. But transporting from OP4 maps, onto HL1 maps, and little bit BS (hardest for me to think how to tie it. Maybe some whole chapters). I even started work on it. But eventually dropped