Step 1
Tidal Generator Valves & Terminal
Shoot the 3 Valves on the wall of the Tidal Generator room until they all turn blue. Once all 3 are turned, a new room opens in the Tidal Generator.
Interact with the Terminal in the newly opened room twice until you've heard both An-G voice lines.
Step 2-3
Depressurize the Door & Goliath Suit
Depressurize the door in the Lounge near the Annex by holding interact on it.
Enter an XS1 Goliath Suit, then enter the door you just depressurized.
Go out into the water and follow the path to the left, meleeing zombies that get in your way.
Interact with the Valve at the end of the path to turn the red light blue, then head back inside using the same path.
Warning
While the door is depressurized, all zombies will target you.
Step 4
Drone Challenge
At the start of the next round, the Drone Challenge begins. 5 Drones will spawn around the map one at a time — destroy each before it flies away or the round ends.
Note
Drones won't spawn in the same location twice.
Step 5
Charging the Capacitor
After the Drone Challenge, you can start charging the Capacitor, located in the Galleria near the Great Hall.
To charge it, let EMZ zombies and dogs hit you while standing near the Capacitor — each hit charges it and kills the attacking enemy.
Repeat this for 20 total EMZ enemies to complete the step.
Tip
You can track your progress by looking at the dial in the middle of the Capacitor.
Step 6
Grenade Challenge
At the start of the next round, the Grenade Challenge begins. You can only kill zombies with grenades and impact grenades — you'll have infinite grenades for this round.
Simply complete the round to finish this challenge.
Step 7
Jump Puzzle
At the start of the next round, the Jump Puzzle begins. Platforms spawn right outside the Landing area — complete 9 platform jump puzzles by getting from the first platform to the last in each.
After completing each puzzle, you'll be flung back to the Landing area to start the next one.
Tip
Each puzzle must be completed within a set time limit or the platforms disappear. If you fail, the puzzle respawns after a few seconds. Completing the 9th puzzle finishes this step.
Step 8
Move Challenge
At the start of the next round, the Move Challenge begins. You lose Credits every time you move — if you run out of Credits, you'll be unable to move.
Simply complete the round to finish this challenge.
Step 9
Memory Challenge
At the start of the next round, you can start the Memory Challenge. Interact with the set of four monitors at the bottom of Reception to begin a Simon Says sequence.
Interact with the monitors in the order shown to complete the game and finish this challenge.
Step 10
Friendly Fire Challenge
At the start of the next round, the Friendly Fire Challenge begins — friendly fire is enabled.
In Solo, bots will spawn that can shoot you — avoid them so they don't kill you.
Simply complete the round to finish this challenge.
Step 11
Number Board Puzzle
At the start of the next round, the Number Board Puzzle begins. Look at the board on the wall of the secret Tidal Generator room — it shows 2 sets of numbers.
You need to make the bottom number match the top number for each column. Each column is linked to a different action:
Columns (left to right)
- Exo-Slam Zombie Hits
- Jumps
- Wall Buys (includes ammo & lethal/tacticals)
- Kills
Tip
It's easiest to complete these in the order 3 → 1 → 4 → 2 (Wall Buys, then Exo-Slam Hits, then Kills, then Jumps).
Step 12
Rocket Challenge
At the start of the next round, the Rocket Challenge begins. You can only kill zombies using the MAHEM Mk 25 you're given — you'll have infinite ammo for this round.
Simply complete the round to finish this challenge.
Final Steps
Final Defense
All players must interact with the Terminal in the secret Tidal Generator room at the same time. This teleports everyone to the Courtyard area from Outbreak.
Survive 2 waves of zombies to complete the Main Quest.
After Completion
Completing this Main Quest starts another match, this time in Double Feature Mode. You can re-enter this mode later by having everyone interact with the Number Pad in the Landing area.