Hellion and D1´s bosses.

I have no idea on D2, D2V and Mercenary,because I never played them...(Breathes deep and )

Cool,I especially liked the second and third one.

Edit: and the last one-an organic texture?

Joining DarkFlameWolf and adding ''It makes gameplay even faster''. Wow .

Well, only truth is it is a ''really secret'' place.

1-First go to the room where you see the cannon behind a grate.
2-Examine the both rooms behind the grate, there should be a switch that you can see(NOT the other which opens the door), shoot it-it´ll open the wall blocking the helix.
3-Now go to the room which contains the switch that opens the ...

D1->All of them, especially secret ones.

D2->1,2 and 3, because i only played the demo version(Where are you D2???)

D3->4(PTMC HQ,Seoul)5(Under ATTACK!!!),7(Music is OK), 14 and 15. Also ''High Velocity Weapons Research''(Secret-2) is cool too.

D3Merc-> >>GAME NOT AVAILABLE<<

Custom lvls ...