Official Game • Alien X Software • Infinite Stages

Stack X

TAP. SLICE. STACK.
Created by Alien X Software

The precision 2.5D isometric stack arcade. Time the cut on sliding blocks, chain perfects, grab shards, and climb infinite stages with Cosmic, Cyber Neon, and Prism Glass skins.

Infinite Stages

3

Block Themes

0

Data Collected

Stack X Gameplay Screenshot
🎯
PERFECT SNAPDynamic Hue Slicing
🛡️
CHRONO SHIELDClutch Save Available

Experience Stack X

Crisp 2.5D isometric projection, fluid slice physics, and dynamic lighting across every biome.

Cosmic Matrix Gameplay Screenshot
🔍 Tap to Zoom

Cosmic Deep Atmosphere

Vibrant block hues and high-altitude sky gradients tracking with the tower.

Obsidian Luxe Screenshot
🔍 Tap to Zoom

Obsidian Luxe Mode

Gold wireframe borders over dark metallic stone blocks.

Game Over Summary Screen
🔍 Tap to Zoom

Tower Cascade Collapse

Satisfying 3D tumbling physics and detailed score analytics on game over.

Built for Precision Stacking

📐

Exact 2.5D Isometric Math

Every corner, top face, and shadow calculates on precise isometric vectors without rendering artifacts.

Real-time Synthesizer SFX

Custom harmonic synthesizer audio engine generates instant feedback for snaps, shards, and milestones.

🛡️

Chrono Shield & Clutch Saves

Collect Quantum Shards during runs to gain shields and save your stack from razor-thin overhang cuts.

🏙️

Infinite Stage Climb

Progress seamlessly from Normal to Hard, Extreme, Nightmare, and Infinite tiers with escalating speed.

📴

100% Offline Playable

Play anytime, anywhere without an active internet connection. All high scores save directly to your device.

🔒

Zero Personal Data

No account creation, no tracking ads, and no personal data collection whatsoever.

Visual Themes

🌌 COSMIC

Cosmic Gradient

Rotating 360-degree color wheel giving each placed floor its own distinct vibrant pastel hue.

💎 PRISM

Prism Glass

Translucent crystalline blocks with frosted cyan highlights and deep internal reflections.

⚡ OBSIDIAN

Obsidian Luxe

Sleek dark geometric blocks trimmed with glowing 24k gold wireframe borders.

Privacy-First • Google AdMob Integrated

Stack X is free to play and supported by Google AdMob advertising. Alien X Software does NOT collect, store, or sell any personal data (no names, no emails, no passwords, no phone numbers, and no contacts).

  • No Personal Info Stored: No account registration, emails, contact lists, or precise location collected.
  • Local Storage: High score, visual skins, and mute settings stay strictly on your device.
  • AdMob Advertising: Google AdMob displays banner, interstitial, and rewarded ads in compliance with Google policies.

Privacy Policy

Last Updated: September 18, 2026 • Effective Date: September 18, 2026

🔒 Privacy & Advertising Summary: Stack X is free to play, developed by Alien X Software. We do NOT collect personal identifiers (no names, emails, phone numbers, or passwords). Stack X integrates Google AdMob to deliver advertisements. Gameplay high scores and settings are stored locally on your device.

Application: Stack X • Package ID: com.alienx.stackxPublisher: Alien X Software

Alien X Software ("we", "our", or "us") operates the mobile game Stack X (the "Service"). This document explains how information is handled when you use the Service.

By downloading, installing, or playing Stack X, you agree to this Privacy Policy.

1. Information We Do NOT Collect

Alien X Software does not operate player account servers. We never collect or store:

  • Your real name, physical address, email address, or phone number.
  • Your phone contacts, camera, microphone, or precise GPS location.
  • Payment card details or banking data (no real-money in-app purchases).

2. Information Stored Locally on Your Device

To provide offline gameplay, the following preferences remain strictly in your device's isolated local storage (Android SharedPreferences):

  • Local High Score: Your best stack altitude and point record.
  • Theme & Skins: Your selected visual theme (Default, Cosmic, Prism Glass, or Obsidian Luxe).
  • Audio Settings: Your mute/sound effect toggle state.

You can instantly clear this data anytime by clearing app data in your Android Settings or uninstalling the game.

3. Advertising & Third-Party Services (Google AdMob)

Stack X is supported by advertising to keep the game free for all players. We use Google AdMob (provided by Google LLC) to display advertisements (banner, interstitial, and rewarded video ads for extra lives or shields).

Google AdMob may collect and process certain device and usage information to serve ads, measure ad performance, and detect fraud, including:

  • Device Identifiers: Google Advertising ID (AAID) and device hardware specifications.
  • Coarse Location: General location derived from IP address (country/city level).
  • Ad Interaction Data: Impressions, clicks, and diagnostic data regarding ad delivery.

Google processes this information in accordance with their privacy guidelines. You can review how Google handles data by visiting:

Your Opt-Out Choices: You can control or opt out of personalized ads at any time through your Android device settings: Settings > Google > Ads > Reset advertising ID or by turning on Opt out of Ads Personalization.

4. Children's Privacy (COPPA & Family Policy)

Stack X is a general-audience skill arcade game. We do not knowingly collect personal information from children under 13 (or under 16 in the European Union). In accordance with Google Play Families and COPPA policies, ad requests for child users or where age-appropriate flags are set are served in non-personalized mode without behavioral tracking.

5. GDPR & CCPA Rights

Depending on your location, you may have rights under the GDPR (Europe) or CCPA (California) regarding personal data. Because Alien X Software does not collect or store personal accounts, we do not have user databases to search or sell. For ad-related data processed by Google, you can exercise your rights directly via Google's Privacy Controls.

6. Contact Us

If you have any questions or feedback regarding this Privacy Policy, please contact our support team:

Alien X Software
Email: support@alienxsoftware.com

Terms of Service

Last Updated: September 18, 2026 • Alien X Software

These Terms of Service ("Terms") govern your access to and use of Stack X (the "Game"), developed and published by Alien X Software ("we", "our", or "us").

1. License to Play

Alien X Software grants you a personal, revocable, non-exclusive, non-transferable limited license to download and play Stack X on compatible Android devices for your personal entertainment.

2. Intellectual Property

All game assets, including but not limited to source code, algorithms, visual styles, sound effects, logos, and UI designs, are the exclusive intellectual property of Alien X Software.

3. Virtual Gameplay Items

All in-game features, including Chrono Shields, Rescue chances, and high scores, are licensed virtual game mechanics with no monetary or real-world cash value.

4. Disclaimer & Liability

Stack X is provided on an "AS IS" and "AS AVAILABLE" basis. While we strive for flawless performance across all Android devices, Alien X Software makes no warranties of uninterrupted operation and shall not be liable for any indirect damages.

5. Contact

For inquiries regarding these Terms, contact us at support@alienxsoftware.com.

Frequently Asked Questions

Watch the incoming block slide over the tower, then tap to slice. Perfect alignment snaps in place. Overhang falls off. A complete miss uses a shield if you have one, otherwise the run ends.

Yes. Stack X is 100% free to download and play, supported by Google AdMob ads.

Yes. Core gameplay is completely self-contained on your device. High score and settings save locally.

No. Alien X Software does not collect any personal data like your name, email, or contacts. Google AdMob may process advertising IDs to serve ads.

Email support@alienxsoftware.com. We typically reply within 24 to 48 business hours.

Stack X Icon

Ready to Stack Higher?

Download Stack X on Google Play. 2.5D isometric stacking, infinite stages, and 100% offline arcade play.

Download on Google Play
Package: com.alienx.stackx • Android • Free to Play