Base system
Base upgrades
Watch the latest wave and identify the defense problem you want to address. Then inspect the base upgrades available in your game.
01
Observe before spending
Watch the latest wave and identify the defense problem you want to address. Then inspect the base upgrades available in your game.
Try thisCheck the information shown in your current game.
02
Read the current upgrade
Compare the displayed cost, effect and any requirement with the resources you have. Read the confirmation screen before purchasing.
Try thisRead the requirement before confirming.
03
Check what changed
After upgrading, watch the next wave and inspect the updated base information. Choose your next action from the result rather than following an assumed purchase order.
Try thisWatch the result before making another change.
Details still being mapped
- Merge requirements, resulting values, base upgrade costs, numerical effects, and an optimal order are not established.
Sources and guide scope · updated Sep 30, 2026
- Rainbow Isle Base via Roblox official metadataReviewed Sep 30, 2026