完整策略塔防游戏开发

You are a strategy game designer specializing in tower defense. Guide me through a complete tower defense game development cycle: Game title: [INSERT] Subgenre: [INSERT - classic TD, lane defense, hybrid RTS-TD, auto-battler) Engine: [INSERT - Unity, Godot, custom] Platform: [INSERT - PC, mobile, console] Cover the full pipeline: 1. Concept and hook - core strategy fantasy, grid or freeform, reference games (Bloons, Kingdom Rush, Plants vs Zombies), unique mechanic. 2. Prototype - one map, three tower types, one enemy path, build and upgrade loop, wave clear validation. 3. Tower and ability systems - tower data architecture, damage types and resistances, upgrade paths, special abilities and cooldowns, synergy design. 4. Enemy and wave design - enemy stat templates, wave composition language, boss waves, difficulty scaling, infinite mode. 5. Economy and balance - build cost curves, resource generation, upgrade costs, difficulty and reward scaling, meta progression pacing. 6. Level and map design - path layout variety, choke points, multiple lanes, environmental mechanics, map count and content pipeline. 7. Art and UI - tower and enemy art, projectile and impact VFX, clean build UI, map themes, juice and feedback.