Step 1: Gather a team of highly trained, hyper-focused individuals with an affinity for glow-in-the-dark accents.
Step 2: Consume copious amounts of energy drinks and debate the merits of neon-colored duct tape versus glow-in-the-dark paint.
Step 1: Create a 3D model of the bunker using only the most exotic materials known to man (think: glow-in-the-dark steel, fiber-optic cables).
Step 2: Hold a 3-hour meeting to discuss the merits of "more neon" versus "too much neon."
Step 1: Assemble a team of expert welders, electricians, and neon-sign makers.
Step 2: Install 10 acres worth of neon lighting systems.
Step 1: Conduct a series of rigorous, neon-colored stress tests.
Step 2: Provide complimentary neon-colored sunglasses to all employees.
And that's it! Now, go forth and build your own neon bunker. Or, you know, just stick with us, we're doing just fine.
Or, if you're feeling particularly adventurous, check out Phase 5: Disaster Scenarios.