To successfully navigate and unlock all six distinct endings in Atomfall, players must understand the intricacies of the game’s questlines and character relationships. Below is a comprehensive guide to help you experience each ending and make informed decisions throughout your playthroughs.

General Requirements for All Endings

1. Power Restoration: You must collect five Atomic Batteries to restore power to the Interchange.
2. Door Unlocking: Ensure you unlock all major doors within the Interchange, including access to Slatten Dale, Wyndham Village, Casterfell Woods, and Skethermoor.
3. Accessing the Oberon Dig Site: Once power is restored, the Oberon Dig Site in the Windscale Plant will become accessible, leading to critical final decisions.
4. Final Choice Regarding Oberon: The game’s climax involves making a decision about Oberon based on the counsel of the allied NPC you’ve chosen to follow. This could involve extracting a sample, poisoning, or destroying the entity altogether.

The Six Endings and Unlocking Them

| Ending Name | NPC Associated | Requirements and Final Actions |
|———————————-|————————-|————————————————————————————————————————————————————————————————————|
| Voice on the Telephone | Operator (Phone Voice) | – Restore power to the Interchange.
– Open all major doors.
– Destroy Oberon (burn or poison).
– Return to Bunker L8 to answer the phone afterwards.
– No need to trust other NPCs. |
| Captain Sims | Captain Sims | – Report suspicious activity in Wyndham Village.
– Extract information from Dr. Garrow in Skethermoor Prison.
– Retrieve Protocol Radio Part from Speaking Cave.
– Destroy Oberon.
– Escape with Sims. |
| Joyce Tanner | Joyce Tanner | – Locate Joyce in Protocol bunker or Data Store Charlie.
– Activate three Radio Towers using keycards.
– Activate GEN MOVE command at Casterfell Dam.
– Extract Oberon sample.
– Escape with Joyce. |
| Dr. Holder | Dr. Holder | – Retrieve the church cellar key.
– Agree to help Holder.
– Collect Sample One (poison) from Medical Tunnels.
– Poison Oberon.
– Escape through Medical Tunnels with Holder. |
| Dr. Garrow | Dr. Garrow | – Gain Captain Sims’ trust to avoid conflict.
– Free Garrow from Skethermoor Prison.
– Retrieve her research notes.
– Enter “GEN ERA” at Casterfell Dam.
– Destroy Oberon and escape with Garrow. |
| Mother Jago | Mother Jago | – Convince her about believing in the Voice.
– Use a Growth Serum on Oberon.
– Fight Protocol soldiers.
– Jump into the Oberite Pit to escape.
– Involves a sacrifice or spiritual trust. |

Important Notes on Playthroughs

– Mutual Exclusivity: Each ending corresponds to unique NPC relationships and questlines; alienating or harming an NPC may lock you out of their ending.
– Specific Items: Endings may require special items. Always collect relevant items like Atomic Batteries, Keycards, and various Samples as you progress.
– Final Encounter Nuances: The final choice at the Oberon Dig Site is crucial—following entrusted NPC directions is essential to ensure successful outcomes.
– Save Management: It’s wise to create a save file after restoring power right before entering the Oberon Dig Site. This allows you to reload and attempt different endings without replaying the entire game.
– Epilogue Variations: Be aware that the game’s epilogue shifts depending on your choices, particularly the fate of NPCs and how fully you engaged with their storylines.

Summary Steps to Reach All Endings

1. Complete Power Restoration: Collect the Atomic Batteries necessary for powering up the Interchange.
2. Unlock All Doors: Access all regions from the Interchange.
3. Follow NPC Questlines: Select an NPC ally and progress through their specific storylines, making choices that align with their objectives.
4. Reach the Oberon Dig Site: Engage in the endgame scenario based on the ally NPC’s guidance.
5. Make the Final Decision: Choose how to handle Oberon in alignment with your trusted NPC’s directives.
6. Escape With the Chosen NPC: The method of escape differs by NPC; follow their lead.
7. Utilize Save Files for Different Endings: Reload your game near the Oberon Dig Site to explore alternative endings without starting anew.

By meticulously following the outlined steps and focusing on NPC interactions and decisions, you can experience all six endings in Atomfall, immersing yourself fully in the game’s intricate narrative.

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Sources:
– [TheGamer][1]
– [VG247][2]
– [GameRant][3]
– [PC Gamer][4]
– [EgamersWorld][5]