Tiles Survive!! Powerplant Level 25 Upgrade Guide

If you are unable to start the Powerplant level 25 upgrade in Tiles Survive!!, the issue is unmet infrastructure prerequisites rather than insufficient hero combat power or grinding. Open the Powerplant interface and select the requirements tab to view the specific secondary building levels and research milestones mandatory for this tier.

Identify Missing Infrastructure Prerequisites

The Powerplant acts as the central gatekeeper for base progression. If supporting facilities fall below required level caps, the upgrade button remains inactive regardless of your current resource count.

Audit your base in the following sequence to clear progression blocks:

Warehouse Capacity: Upgrade storage structures so your maximum material capacity matches or exceeds the high resource total required for level 25.
Production Facilities: Level up individual resource generators (such as mines and farms) to match the structural cap defined in the Powerplant requirements list.
Technology Research: Complete required tech nodes in your research facility that govern higher-tier base construction.

Prerequisite Type	Common Bottleneck	Action Required
Storage	Low Warehouse cap	Upgrade storage facilities to match total level 25 build cost.
Production	Low mine/farm levels	Raise primary resource generators to required structural cap.
Research	Locked tech tree node	Finish prerequisite technological projects before building.

Resource Management and Protection Strategy

The level 25 upgrade requires a massive amount of materials. Hoarding unspent resources over a long period increases your vulnerability to raids from competing players.

Focus spending on required prerequisites: Allocate all incoming gold and raw materials directly into the mandatory secondary buildings identified during your audit.
Keep stockpiles low: Spend resources as soon as you gain them to reduce your profile as a high-value raid target.
Hold off on non-essential upgrades: Freeze cosmetic, defense, or secondary combat upgrades until the Powerplant build process begins.

Speed-Up Timing and Alliance Support

Because the construction timer for level 25 is lengthy, manage alliance help requests and speed-up items efficiently to avoid unnecessary delays.

Start during peak alliance activity: Initiate the construction timer when active alliance members are online to max out time-reduction help requests immediately.
Collect event speed-ups: Complete daily objective milestones and minor alliance tasks to accumulate build speed-ups before pressing the upgrade button.
Secure complete timer coverage: Avoid starting the construction process until you have enough combined speed-ups and available alliance assistance to push through the build without sitting exposed to delays.