Build a base RNG Upgrade Priority
Upgrade priority order for Build a base RNG: income, roll speed, luck, base size, and defense investments explained.
Recommended Order
- Skill tree: Luck I + Auto Roll — 100 + 250 coins after first wave; see skill tree guide.
- Basic defenses — stop leaks during growth; layered walls per protection guide.
- Index claims — free coins and permanent luck from Index rewards.
- Roll speed — Fast Rolls I/II once luck core is online.
- Luck II — 800 coins when income is stable.
- Plot size — Place More Items after roll economy runs.
- Boss crafts — Relic path after Wave 15–20 milestones.
Early game: never skip defense for luck. One B-tier turret beats three hours of bad Rolls lost to leaks.
Early Game
Never skip defense for luck. One B-tier turret beats three hours of bad Rolls lost to leaks.
Late Game
Shift budget to boss farms and relic crafts per relic tiers. Diminishing returns on raw luck without craft support.
Plan Upgrades
Use roll calculator before luck binge sessions.
Frequently Asked Questions
Skip roll speed?
Only if manual rolling is tolerable — most accounts buy speed mid-game.
When to buy plot size?
When inventory has unplaced S-tier waiting.
Are game passes worth it?
Evaluate per pass — convenience vs grind time.
Reset upgrades?
Rebirth systems vary — read patch notes before resetting.