Bethesda have announced that a closed alpha test for Doom will be taking place this weekend, though spots are limited and it'll only be open to a small pool of people registered for next year's beta.
If you bought Wolfenstein: The New Order on Xbox One or PC on or around release last year, you would have received a code to join the Doom beta when it goes live next year. If you've already redeemed your code, you'll automatically be added to the pool that participants for this weekend's alpha will be chosen from; if not, you'll want to redeem your code as soon as possible to have a shot.
Unfortunately, technical issues meant signups for the PS4 alpha were open to everyone, issued on a first come, first served basis, and have already all been claimed.
Not everyone with beta access will be able to get into this alpha test, but don't worry if you're not selected - everyone with a beta code is guaranteed access to the beta, which will be held at some point next year.
The alpha starts at 5.01pm NZDT today, and runs until 4.59pm on Monday, October 26. It'll include on game mode (6v6 Team Deathmatch), one map (Heatwave), six weapons (Plasma Rifle, Repeater, Rocket Launcher, Super Shotgun, Vortex Rifle, and Static Cannon), and two items (Frag Grenade and Personal Teleporter).
There are also a couple of "game changer" items: a Demon Rune, which turns the player who finds it into a powerful Revenant demon complete with a jetpack and dual rocket launchers, and the Gauss Cannon, a high-powered gun that can destroy opponents in a single shot and allow you to see through walls. There are also other power-ups, like Quad Damage and Invisibility. Of course, these items are all time- and/or ammo-limited.
Doom is due out in autumn next year for Xbox One, PlayStation 4, and PC, with a beta test to be held early next year.