- It's a Secret
Find a secret level
31 December 2020 - 1 guide
- The Space Station
Beat all the space station levels (episodes 1-11)
20 December 2020 - 1 guide
- Indiscriminate
Kill one of every enemy
19 December 2020 - 1 guide
- Superior Firepower
Kill 12 enemies in one shot with the BFG
19 December 2020 - 2 guides
- Bad Monster!
Kill yourself and an enemy with your own rocket explosion
19 December 2020 - 1 guide
- Heavenly Joy
Shoot 200 bullets consecutively with the machine gun
19 December 2020 - 2 guides
- That Can't Be Good
Take damage from an environmental hazard
06 December 2020 - 1 guide
- Skeet Shooting
Kill 4 enemies in 1 shot with the super shotgun
05 December 2020 - 3 guides