

Stack City is an engaging idle merge game where players construct their own thriving metropolis by strategically stacking scaffoldings, stores, and skyscrapers. This addictive city-building simulator offers endless creative possibilities as you design your urban landscape while earning passive income from completed structures.
Key Features:
- Innovative stacking mechanics for unique city planning
- Color-coded building system adds strategic depth
- Progressive gameplay with unlockable new lands
- Satisfying idle income generation
- Simple drag-and-drop controls suitable for all ages
Advanced players can maximize earnings by focusing on vertical construction - taller buildings generate more revenue. Pay attention to the color coordination system as matching colors creates bonus multipliers. The game's relaxing pace makes it perfect for casual play sessions while offering enough depth for strategic thinkers.
Regular updates introduce new building types and decorative elements to keep your city fresh. Whether you prefer efficient money-generating layouts or artistic urban designs, Stack City provides the tools to create your perfect skyline.
Mastering Stack City requires understanding its core mechanics:
1. Basic Controls:
- Tap and drag scaffoldings to desired locations (works on both touchscreens and mouse)
- Release to place buildings when alignment is correct
2. Progression Strategies:
- Prioritize stacking same-color buildings for bonuses
- Balance horizontal expansion with vertical growth
- Invest early income in new land purchases
3. Advanced Techniques:
- Create 'money towers' by stacking same-type buildings
- Reserve space for future high-value structures
- Watch for special golden scaffoldings with premium rewards
4. Common Mistakes to Avoid:
- Random placement without color matching
- Over-expanding too quickly
- Ignoring the idle income potential
Stack City is available as a free-to-play browser game with no downloads required. The web-based version offers full functionality across multiple platforms:
- Play directly in your browser on Avatar World
- No registration or account needed
- Cloud saving available for progress retention
- Completely free with optional cosmetic upgrades
The game monetizes through optional visual enhancements that don't affect gameplay balance, ensuring fair competition for all players. Regular events and challenges provide opportunities to earn premium currency through skillful play.
Stack City delivers seamless gaming across all your devices:
Mobile Compatibility:
- Optimized for iOS and Android smartphones
- Tablet-friendly interface with enhanced visuals
- Battery-efficient design for longer play sessions
Desktop Experience:
- Full keyboard and mouse support
- Higher resolution graphics options
- Multi-window functionality for multitasking
The game features automatic sync between devices when logged in, allowing you to continue your city-building progress whether you're at home or on the go. Performance is smooth even on older devices thanks to lightweight optimization.