GK2 Guide

Quest

Front-of-the-Envelope Calculation

Quick answer

Talk to Jack after completing Campaign of Thrones.

Quest facts

Quest giver
Jack
Previous quest
Campaign of Thrones
Next quest
Man of Steel
Walkthrough steps
2

How to start Front-of-the-Envelope Calculation

What the game data proves about starting this quest. A condition is only listed when it can be named.

  • JackQuest giver

Start

Talk to Jack.

Previous quest

Why isn't Front-of-the-Envelope Calculation starting?

Check these conditions in your save. This list comes from the game data, not from your progress.

Walkthrough

Steps follow the order of the game's own quest stages.

  1. Step 1

    Talk to Jack.

    “Look at the calculation.”

    NPC: Jack

    Required for this step

    • Jack60
  2. Step 2

    Talk to Jack.

    “Ask about the water tunnel.”

    NPC: Jack

Stuck on this quest?

Each problem jumps to the section that answers it.

What this quest unlocks

Unlocks matter more than rewards: they open what the following quests use.

Frequently asked questions

How do you start Front-of-the-Envelope Calculation?

Complete Campaign of Thrones first, then talk to Jack.

Who gives Front-of-the-Envelope Calculation?

Jack gives this quest.

What does Front-of-the-Envelope Calculation unlock?

It unlocks Man of Steel, Water Locked, and Steamy Royal.

What quest comes after Front-of-the-Envelope Calculation?

The next quest is Man of Steel.