3D Horde Survival Arena Game Builder

One prompt that builds a complete 3D horde-survival arena game in a single HTML file with three.js, made for Claude Code. Survive 10 minutes against hundreds of monsters: 8 auto-firing weapons that evolve, 8 passives, level-up choices, bosses at 3, 6 and 9 minutes and the elite-friends twist: charm a beaten elite and it fights for you. 3 arenas, 3 heroes, Daily and Endless modes, coin upgrades and touch controls. Includes 20 bonus ready-to-use idea sets. Try the live demo.