Cards
Cards, slots, presets and masteries — the cheapest multipliers in the game if you equip the right ones.
Card Masteries
How Card Masteries unlock in The Tower: Idle Tower Defense, what they do, and how their labs and stone costs work.
Card Presets
Card Presets let you save up to 5 card loadouts in The Tower: Idle Tower Defense. Learn how presets work and how to unlock the lab.
Cards
How cards work in The Tower: buying, rarities, slots, star levels, gem costs, milestone-locked cards and card mastery.
More from the hub
Tower Advisor
Personalized UW & lab advice
Tower News
Every creator upload + Reddit, live
Resources
Every Discord, tool & creator
Glossary
eHP, GT sync & every term explained
Question Radar
What the community asks right now
Creator Pulse
The weekly Tower YouTube leaderboard
Stream Spy
The community radar in action
Tower Rush
Viewers storm the tower — try the demo
Tower Duel
Every viewer gets a brawler — auto-battle bracket
Clip Studio
Turn streams into vertical clips — for creators