Tower Defense

About this template

Tower defense is a genre that rewards mastery in the most satisfying way. A player who fails wave 18 looks at their build and knows exactly why they failed. They start over and fix it. The genre is built around that tight feedback loop between seeing the problem and solving it.

Summer Engine helps you build the tower types, enemy waves, path system, and economy through conversation. You design the maps, the tower roster, and the escalation curve. The AI scaffolds the systems that make each wave feel like a solvable puzzle.

The best tower defense games have towers that synergize. A slow tower next to a splash damage tower next to an armor-shred tower creates a kill zone that rewards players who understand the system. Design your towers around creating those combinations.

Who it's for

  • Designers who love the genre and have a tower roster and theme they want to build around.
  • Solo devs building a mobile tower defense with modern mechanics and strong visual design.
  • Teams creating a tower defense with RPG elements like hero units, upgrades, and meta-progression.
  • Anyone building a casual-to-midcore game with strong session design and replay value.

Highlights

  • Wave Survival Prototype

    Build a single map with 20 waves, five tower types, and enough enemy variety to test the balance and synergy system.

  • Mobile Launch Game

    Create a tower defense with 30 levels, a meta-upgrade system, and monetization hooks designed around energy or cosmetics.

  • Hybrid TD-RPG

    Build a tower defense with hero unit placement, per-run upgrades, and roguelite modifiers between wave sets.

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