Build a base RNG 🎲
Roll for blocks, traps, and weapons, build a layered base, defend against zombie waves and bosses, craft stronger objects from relics, and improve a base that can fight while you are offline.
Start here
What do you need to decide?
Evidence checked July 23, 2026. Choose the task that matches your next action.
Calculate or plan
Base Defense Planner
Diagnose the first gap in your layout and get an ordered next-test plan using observable coverage, role, goal, and failure-point inputs.
Compare options
Choose a defense role pick
Compare ranked options and use keep-or-reroll guidance for your current goal.
Solve a blocker
Open progression guides
Use step-by-step support when a calculator or comparison does not answer the full task.
Decision-first hub
Start with the tools that match your next decision
These live tools are loaded from the game capability registry. Choose the calculator or planner that matches the resource, build, reroll, or progression decision you need to make now.
Essential resources
The main sections players use to progress faster in Build a Base RNG.