Here you can find Doom, Hexen and Heretic games all together. It's a very good offer for a classic FPS gamer especially need a flashback to 90s. There's only one missing in all three games: Musics! They have been removed to avoid a huge file size.
You can select one of them from the main menu. Gameplay and controls are almost the same with the originals and you can change them, customize keys from the game menus. Here's the control scheme for all three game: W, A, S, D - movement Click screen + drag or LEFT/RIGHT ARROWS - turn SPACE - fire R - use door/switch SHIFT - run ESCAPE - menu TAB - map NUMBER KEYS - change weapon [ and ] - cycle through inventory (Heretic/Hexen only) ENTER - use inventory item (Heretic/Hexen only) Q - Jump (Heretic/Hexen only) Doom is copyright id Software. Heretic and Hexen are copyright Raven Software. Recompiled from the original sources by Mike, using Adobe Alchemy.