Wrack is progressed in the form of levels. In these levels you have to reach the end while dealing with enemies and other hazards. Wrack is divided in episodes each with about 9 maps planned per episode. There are currently 5 official levels designed for Wrack.
Doom's Arrival Edit
This is the first episode. It takes place on Earth. It is unknown what the goal of Kain Sager is in this episode other than killing all the bad guys.
- E1M1: Metroplex
- E1M2: Disposal Area - Part 1
- E1M3: Disposal Area - Part 2
- E1M4: Recycling Center - Part 1
- E1M5: Recycling Center - Part 2
Ark to Arcturus Edit
This is the second episode. It will be available as DLC. It is unknown what the goal of Kain Sager will be in this episode, but it has been speculated he will travel to the Arcturan's star system.
The Terrors of Turon Edit
This is the third and currently last episode. It will be available as DLC. It is unknown what the goal of Kain Sager will be in this episode nor where it will take place.