The ASTD Wiki has dedicated sections for user-submitted unit and feature concepts. BEST Beginner Guide For All Star Tower Defense X

If you have 2 "Naruto" villains, enemies hit by their attacks take 5% increased damage from all sources.

If you have 3 or more "Dragon Ball" inspired units, all units gain a 15% Faster Energy Regen.

Currently, players often focus on a single "meta" unit like the Ramen Grill Master or mythics . This feature encourages by rewarding players for using lower-rarity units that complete a synergy set, making the game more about strategy than just high-damage summons. How to Submit Your Own Ideas