Polygon Defense
youngchan yoon Games iPhoneiPadiPod touch
Polygon Defense is a free Games app for iPhone and iPad by youngchan yoon. Requires iOS 15.0. Updated October 22, 2026.
- Price
- Free
- on the App Store
- Size
- 128 MB
- Age 4+
- Updated
- Oct 22
- 2026 · v1.1.5
Screenshots
About Polygon Defense
Hold the line in POLYGON DEFENSE — a fast, stylish blend of tower defense, survivor action, and roguelite upgrades, wrapped in a sleek neon-polygon aesthetic. Waves of geometric enemies pour toward your defense line. Your Guardian fires automatically — your job is to think fast, choose the right upgrades, and build a defense that can survive whatever comes next. Every run is different. Every choice matters. ▶ EASY TO PLAY, HARD TO MASTER Jump straight into the action with intuitive one-handed controls. Anyone can pick it up, but only the smartest tacticians can push through the toughest stages and bosses by drafting the perfect synergy. Play anytime, anywhere. ▶ FIVE ELEMENTAL TURRETS Deploy and command a unique squad of geometric turrets, each featuring its own devastating playstyle: • Circle — Blazing fire AoE • Triangle — Piercing energy lasers • Rectangle — Freezing ice control • Polygon — Heavy physical impact • Star — Chaining electric strikes Mix, match, and position your grid to counter relentless enemy variants. ▶ ROGUELITE UPGRADE CARDS Level up mid-battle and draft from a dynamic pool of upgrade cards. Choose from general stat boosts, chain cards, advanced combos, and powerful special evolutions. Chain the right cards together to create broken, screen-clearing builds. No two runs ever play out the same. ▶ GROW STRONGER EVERY RUN Collect coins, cores, and turret modules to invest in permanent meta-progression: • Cores: Permanently boost your Guardian's core stats (Helmet, Armor, Weapon, Shield, Boots) • Turret Modules: Upgrade each turret's base power and efficiency Come back stronger and crush the stages that once felt impossible. ▶ STAGES, BOSSES & CHALLENGES Battle through escalating zones packed with unique grid layouts and tense boss fights. Aim higher than a simple victory — finish with high HP or pull off a flawless run to unlock top-tier rewards. ▶ 30-DAY DAILY LOGIN REWARDS Keep your armory stocked! Check in every day for free coins, cores, and modules. Reach 7-, 14-, and 21-day milestones for massive bonuses, and claim a huge Grand Reward on Day 30. The streak resets so the rewards never stop flowing. ▶ SLEEK, MINIMALIST DESIGN Experience a crisp neon-polygon look with satisfying particle effects and punchy, responsive audio. The clean visual design ensures the action remains perfectly readable, even when the screen is flooded with hundreds of enemies. ▶ PLAY YOUR WAY • Free to Play — Premium experience with optional rewarded ads only when you want a boost. • Pure Single-Player — Perfect for quick, intense gaming sessions. • Cloud Save — Keep your progress completely safe across device reinstalls. • Global Localization — Fully available in English, Korean, Japanese, and Chinese. Can you upgrade, evolve, and outsmart the geometric horde? Download POLYGON DEFENSE now and secure your grid!
What’s new
Version 1.1.5 · Updated October 22, 2026
Bug fixes and balance patches applied. Infinite Mode OPEN! Compete globally in 'Growth' (use your items) or 'Challenge' (pure skill, no items) modes! Hell Mode Unlocked! Clear Crazy Stage 7 to survive the ultimate brutal waves!
App privacy
The developer, youngchan yoon, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
Used for: Third-Party Advertising, Analytics
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Diagnostics: Performance Data, Crash Data
- Identifiers: User ID
Used for: Third-Party Advertising, Analytics, App Functionality
Alternatives to Polygon Defense
Looking for apps like Polygon Defense? Here are 6 similar apps on the App Store. The highest rated is Aegis: Orbit Defense (4.7/5), and all 6 are free to download.
-
Neon Chaos TD
1.4
-
Cyber Legion
-
Alien Attack: RPG Idle Action!
3.8
-
Tree Of Light: Survival
1.0
-
Marble Gogogo
3.0
-
Aegis: Orbit Defense
4.7
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Polygon Defense | – | Free | October 22, 2026 | |
| Neon Chaos TD | 1.4 / 5 (5) | Free | Jun 12, 2026 | Compare |
| Cyber Legion | – | Free | Jul 8, 2026 | Compare |
| Alien Attack: RPG Idle Action! | 3.8 / 5 (5) | Free | Jul 10, 2026 | Compare |
| Tree Of Light: Survival | 1.0 / 5 (3) | Free | Jun 3, 2026 | Compare |
| Marble Gogogo | 3.0 / 5 (2) | Free | Aug 27, 2026 | Compare |
| Aegis: Orbit Defense | 4.7 / 5 (69) | Free | Oct 21, 2026 | Compare |
Compare Polygon Defense with the top alternatives: ratings, updates, ASO score and keyword gaps →