Fallout 4: Vault-Tec – All Experiment Rewards & Results

On PC, PS4 & Xbox One: See what all those weird and wacky experiments actually do for you in the Vault-Tec Workshop expansion to Fallout 4.

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The Vault-Tec Workshop add-on for Fallout 4 includes several settlement-boosting experimental prototypes your Sole Survivor can tinker with.

These four unique machines can make your settlers happier, provide cash bonuses, or even kill dwellers if you select certain variations. The in-game notes are extremely vague, only hinting at the actual results of these experiments. If you’re sick of guessing and want to know exactly how experiments provide benefits (or don’t), check out the full list of rewards and results below.

Explore Gameranx’s massive list of guides, how-to’s, secret locations, and everything else a fresh Vault 111 escapee needs to thrive on the Fallout 4 Ultimate Commonwealth Guide and become a true post-apocalyptic survivor.


Uncover everything you need to know about the Vault-Tc Workshop DLC with these guides on Gameranx:


Vault-Tec – All Experiment Rewards & Results

Note: All experimental prototype variations are chosen during the quests given by Overseer Barstow in Vault 88. Once a choice is locked-in, it cannot be changed and will remain the same. Reload a save before completing the quests for Overseer Barstow to select different prototype variants. 

Power Cycle 1000:

  • Prototype [Generic]:
    • Construction: (4) Steel, (3) Screws, (2) Rubber, (2) Copper
    • Results: Assign settlers to work on the Power Cycle to produce 2 Power (Only during daylight hours.)
  • Additional Power:
    • Construction: (4) Steel, (3) Screws, (2) Rubber, (4) Copper
    • Results: Assign settlers to work on the Power Cycle to produce 4 Power (Only during daylight hours.)
    • WARNING: Sustained use will KILL SETTLERS.
  • Sustained Use:
    • Construction: (4) Steel, (3) Screws, (2) Rubber, (2) Copper, (4) Buffout
    • Results: Assign settlers to work on the Power Cycle to produce 2 Power
    • WARNING: Sustained use will KILL SETTLERS.
  • Environment Enhancement:
    • Construction: (4) Steel, (3) Screws, (2) Rubber, (2) Copper
    • Results: Assign settlers to work on the Power Cycle to produce 2 Power (Only during daylight hours.)

Soda Fountain:

  • Prototype [Generic]:
    • Construction: (6) Steel, (3) Glass
    • Results: Assign settlers to work on the Fountain — Requires 2 Power, Produces 5 Happiness
  • Appetite Suppressant:
    • Construction: (6) Steel, (3) Glass
    • Results: Assign settlers to work on the Fountain — Requires 2 Power, Produces 1 Food
  • Mood Enhancement:
    • Construction: (6) Steel, (3) Glass
    • Results: Assign settlers to work on the Fountain — Requires 2 Power, Produces  15 Happiness
  • Caffeinated:
    • Construction: (4) Steel, (3) Screws, (2) Rubber, (2) Copper
    • Results: Assign settlers to work on the Power Cycle to produce 2 Power (Only during daylight hours.)

Phoropter:

  • Prototype [Generic]:
    • Construction: (4) Steel, (25) Nuclear materials, (3) Glass, (2) Aluminum
    • Results: Assign settlers to work on the Phoropter — Requires 3 Power, Produces 5 Happiness
  • Subliminal Messaging:
    • Construction: (4) Steel, (5) Nuclear materials, (3) Glass, (2) Aluminum, (2) Circuitry
    • Results: Assign settlers to work on the Phoropter — Requires 3 Power, Produces 15 Happiness
    • Unconfirmed, but may cause death following sustained usage. 
  • Vault Monitoring:
    • Construction: (4) Steel, (25) Nuclear materials, (3) Glass, (2) Aluminum
    • Results: Assign settlers to work on the Phoropter — Requires 3 Power, Produces 5 Happiness
  • Eye Care:
    • Construction: (4) Steel, (2) Nuclear materials, (3) Glass, (2) Aluminum
    • Results: Assign settlers to work on the Phoropter — Requires 3 Power, Produces 10 Happiness

Slot Machine:

  • Prototype [Generic]:
    • Construction: (4) Steel, (2) Screws, (3) Plastic, (2) Gears, (2) Circuitry
    • Results: Requires 1 Power, Produces 10 Happiness
  • Indentured Servitude:
    • Construction: (4) Steel, (2) Screws, (3) Plastic, (2) Gears, (2) Circuitry
    • Results: Requires 1 Power, Produces 29 Caps Daily (Collect from the Workshop)
  • Profiling:
    • Construction: (4) Steel, (2) Screws, (3) Plastic, (2) Gears, (2) Circuitry, (2) Glass
    • Results: Requires 1 Power, Produces 5 Happiness & 10 Caps (Intermittently)
  • Lost Revenue:
    • Construction: (4) Steel, (2) Screws, (3) Plastic, (2) Gears, (2) Circuitry, (500) Bottlecaps
    • Results: Requires 1 Power, Produces 15 Happiness

Source: [1]