User blog:LvLen-125/Self Note

Pages to update whenever a page gets split:
Template:Upgrades BTD6

Template:Upgrades BTD1-BTD5

Upgrades

Insta-Monkey

Damage Types

The respective Tower page.

The preceding and proceeding upgrades.

The respective Tower's Navbox Template.

Upgrade Icons (BTD6)

Template:Towersbox

The games in which the tower appears in.

...and perhaps more?