Train Station Tower Defense: Game Design Doc
A Tower Defense game set in a Train Station world focused on Photo Hunting, but your shadow fights alongside you.
Core loop
Place and upgrade towers to survive waves, earn coins, then use them to unlock new towers built around photo hunting for harder maps.
Monetization plan (suggested prices)
- Tower Placement Grid: R$99–299
- Bonus Starting Cash: R$199–449
- Exclusive Special Towers: R$99–299
- Starting Cash Boost (1 match): R$25–49
- Coin Pack: R$25–199
- Wave Skip (1 match): R$15–35
Retention hook
Endless mode with a global leaderboard, plus a 7-day login streak that pays out photo hunting boosts.
Scope
A few weeks. Expect a few weeks of solo work (or a weekend with a small team) to reach a playable, monetized v1.