--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Stack Attack!!" developer_entity: "VOODOO" bundle_id: "com.hypermode.stackattack" app_store_id: "6566190313" category: "Arcade" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2025-10-08" report_date: "2026-05-04" report_version: "1.9.2" total_reviews: 1122 overall_rating: 3.41 sentiment: "Upset" sentiment_score: 15 confidence: "high" confidence_score: 0.9 top_praise_theme: "Core gameplay loop provides initial entertainment value for new players" top_complaint_theme: "Post-update progression resets and locked content frustrate long-term players" top_request_theme: "Implementation of a mute toggle for sound effects to allow background audio" review_sample_size: 100 total_review_count: 100 analyzed_review_count: 100 data_age_days: 58 momentum_velocity: "maintenance" intelligence_version: 3 nemesis: "Rooms of Doom - Minion Madness" competitor_count: 6 tags: ["arcade", "freemium", "upset sentiment", "mobile app", "app review", "app analysis", "casual", "arcade", "gamers"] canonical_url: "https://marlvel.ai/intel-report/arcade/stack-attack" license: "CC-BY-NC 4.0" content_version: "v2" last_verified: "2026-05-04T23:31:57.546Z" --- # Stack Attack!! App Audit ## TL;DR {#tldr} - **Category**: Arcade · Freemium - **Signal**: Rating 3.41 · Sentiment Upset - **Recent focus**: Post-update progression resets and locked content frustrate long-term players (top complaint) · Core gameplay loop provides initial entertainment value for new players (top praise) · Implementation of a mute toggle for sound effects to allow background audio (top request) > **TL;DR:** Stack Attack!! is a arcade app by VOODOO, rated 3.41/5 by 1.1K users, with Upset user sentiment (15/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** Stack Attack!! faces Upset user sentiment (3.41/5 from 1.1K reviews), with post-update progression resets and locked content frustrate long-term players as the primary user concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 3.41/5 (1.1K reviews) | | **User Mood** | Upset | | **Category** | Arcade | | **Developer** | VOODOO | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | High (0.9/1.0) | | **Data Age** | 0d | ## Metadata & Market Performance - **Publisher:** VOODOO - **Category:** Arcade - **Target Audience:** Casual arcade gamers seeking short, repetitive gameplay sessions with progression elements. - **Platforms:** iOS & Android - **Version Audited:** 1.9.2 - **Audit Date:** 2026-05-04 - **Signal Count:** 100 reviews analyzed - **Confidence:** High (0.9/1.0) - **App Store ID (iOS):** 6566190313 - **Bundle ID:** com.hypermode.stackattack - **Google Play ID:** com.hypermode.stackattack - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-05-04 - **Short Description:** Defeat enemies and save cube world! ## Executive Snapshot **What it is:** Stack Attack!! is a casual arcade game for Android and iOS where players demolish enemy stacks and upgrade skills. **Why users hire it:** Players hire the app for short, repetitive destruction sessions, but the current progression resets and ad density break the value contract. ## App DNA (Features & Intent) - **[Standard] Enemy Wave Demolition:** Core gameplay loop involving the destruction of enemy stacks using player-controlled weapons - **[Standard] Skill Upgrade System:** Progression mechanic allowing players to select and improve power-ups to defeat enemies * *User Intent:* Users want to accelerate progress or gain temporary advantages. - **[Standard] In-App Purchases:** Monetization mechanism allowing users to acquire items or currency within the game ## Market Position {#market-position} Stack Attack!! struggles with a 2.91 Android rating, significantly trailing the casual arcade category baseline. The high volume of 1-star reviews regarding progression resets indicates a failure to retain the user base acquired through the freemium model. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free to play, In-app purchases available - **Analysis:** Freemium model utilizing in-app purchases to supplement a free-to-play core experience. ## 🔴 User Sentiment (High Confidence: 100 of 100 reviews analyzed) {#user-sentiment} - **Overall Rating:** 3.41/5 - **Platform Split:** iOS 4.3/5 (401 ratings) | Android 2.9/5 (721 ratings) - **Overall Sentiment:** Upset ### Top Praises - **Core gameplay loop provides initial entertainment value for new players** ### Top Complaints (Impact Areas) - **Post-update progression resets and locked content frustrate long-term players** - **Aggressive ad frequency and forced monetization hinder the core experience** ### Top Requests (What Users Want) - **Implementation of a mute toggle for sound effects to allow background audio** ## SWOT Analysis {#swot} **Core Strengths:** - Core gameplay loop provides immediate entertainment value for new players - Freemium model effectively gates power-ups to drive IAP conversion **Critical Frictions:** - 2.91 Android rating indicates severe post-update stability issues - Aggressive ad frequency disrupts the core loop - Progression resets trigger high churn **Growth Levers:** - Implement a meta-layer for character collection to compete with Rooms of Doom - Add dark mode to reduce eye strain during extended sessions **Market Threats:** - Dark Survival's survival-roguelike elements increase session length beyond current arcade limits - Aggressive ad placement risks permanent user abandonment ## Recent Changes (v2 → v3) {#recent-changes} The app has entered a maintenance phase with no new feature development, while persistent technical instability and aggressive monetization continue to suppress user sentiment. **Overall trend**: Declining **Compared at**: 2026-05-04 ### High-impact changes - **[Shifted] Maintenance Mode Transition** (positioning) — Development cadence shifted from active updates to maintenance-only, with no new features released in the last 7 months. ### Medium-impact changes - **[Declined] Persistent Stability Complaints** (sentiment) — Rating: 2.92 → 2.91; progression resets and ad density remain the primary drivers of negative user sentiment. - **[Added] Competitive Threat Identification** (swot) — Added specific threats from Rooms of Doom (meta-layer progression) and Dark Survival (roguelike elements) that expose the app's lack of depth. ## Rivals Landscape {#rivals} > Competitive positioning identified by AI analysis of app features, category, and market signals. ### Stack Attack!! vs Rooms of Doom - Minion Madness — Head to Head - **[Rooms of Doom - Minion Madness](https://marlvel.ai/intel-report/arcade/rooms-of-doom-minion-madness)** by Yodo1 Games: Shares the core 'stack/obstacle' arcade loop and high-intensity pacing found in Stack Attack!!. - **Moat strength:** Medium — durable but contestable - **Key differences:** - Features a character-collection meta-layer that provides long-term progression missing from the target app - Utilizes a multi-room obstacle course design that forces faster reaction times than static stacks ### Contenders (Strong Challengers) - **[Divineko - Magic Cat](https://marlvel.ai/intel-report/arcade/divineko-magic-cat)** by Ketchapp [Moat: Medium]: Directly competes for the same casual arcade audience with a focus on rapid-fire enemy destruction. - Implements gesture-based spell casting which offers more tactile engagement than standard weapon-based stack demolition - Ketchapp’s publishing engine provides a more aggressive live-event cadence to maintain daily active user retention ### Peers (What They Do Better) - **[Will Hero](https://marlvel.ai/intel-report/arcade/will-hero)** by ZPLAY Games: A dominant arcade platformer that captures the same 'one-tap' casual gaming market segment. - Offers a deep equipment and weapon upgrade system that creates a stronger sense of player ownership - Maintains a consistent release cadence of new content updates that keeps the user base highly engaged - **[Bike Jump](https://marlvel.ai/intel-report/arcade/bike-jump-1)** by BoomBit Games: Competes for the same 'hyper-casual' arcade attention span through physics-based destruction mechanics. - Focuses on vehicle-based momentum physics rather than the static stack-demolition mechanics of the target app - Integrates a more robust monetization loop through vehicle upgrades and performance-based reward multipliers - **[Web Master: Stickman Superhero](https://marlvel.ai/intel-report/games/web-master-stickman-superhero-1)** by CASUAL AZUR GAMES: Targets the same casual arcade demographic with a focus on simple, satisfying destruction mechanics. - Leverages a superhero theme to provide a more recognizable power fantasy than the target's cube world - Employs a high-frequency update strategy to test and implement new level mechanics every few weeks ### New Kids on the Block (What's Innovative) - **[Dark Survival](https://marlvel.ai/intel-report/games/app--934)** by LiberalDust: Shows high development velocity with four releases in the last six months, indicating rapid feature iteration. ## What's New - **Latest (v1.1, 1 years ago):** General bug fixes. ## App Momentum (Maintenance) {#momentum} - Shipped bug fixes in latest release. - Quiet 6 months — no major features. > **Cadence:** 5 total versions · 3 majors in last 6 months · 208 days since last update · 62 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Stack Attack!! is a challenged arcade app that is free with in-app purchases. With a 3.41/5 rating from 1.1K reviews, it faces significant user friction. > **Bottom Line:** Stack Attack!! holds its casual audience through a solid core loop but bleeds players due to technical instability and aggressive monetization, so revenue growth hinges on fixing data persistence and rebalancing the ad-to-gameplay ratio. **Best for:** Casual arcade gamers seeking short, repetitive gameplay sessions with progression elements. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] [HIGH IMPACT] Audit progression logic because post-update resets are the #1 complaint → stabilize retention — *Sentiment analysis confirms progression resets are the primary driver of negative reviews.* _(trade-off: deprioritize Pause the new level-design sprint — stability is the immediate existential threat to the player base.)_ - [ ] [INVEST] [MEDIUM IMPACT] Reduce ad frequency because high ad density is the top-cited frustration → improve session flow — *Players explicitly describe the game as unplayable due to ad frequency.* _(trade-off: deprioritize Deprioritize the new weapon skin release — ad-flow friction has a higher impact on churn.)_ ### Feature Gaps vs Competitors - Character-collection meta-layer (available in Rooms of Doom but missing here) - Gesture-based spell casting (available in Divineko but missing here) ### Outlook: Declining Casual arcade traffic is consolidating around titles with deeper meta-layers, and Stack Attack!! is currently in a maintenance-mode cycle that fails to address critical stability bugs. The lack of feature expansion leaves the app exposed to rivals with higher update cadences, so the PM must prioritize stability to prevent total user base erosion. - 🔴 Post-update progression resets cause high churn, which compounds the rating drag already visible on Android. - 🔴 Aggressive ad frequency disrupts the core loop, leading to player reports of the game being unplayable. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 3.41/5 | | Total Reviews | 1.1K | | Sentiment | Upset (15/100) | | Confidence | High | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Trend | Declining | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Stack Attack!!** (this app) | 3.41/5 | Upset | VOODOO | | [Divineko - Magic Cat](https://marlvel.ai/intel-report/arcade/divineko-magic-cat) | 4.9/5 | Thrilled | Ketchapp | | [Bike Jump](https://marlvel.ai/intel-report/arcade/bike-jump-1) | 4.2/5 | N/A | BoomBit Games | | [Will Hero](https://marlvel.ai/intel-report/arcade/will-hero) | 4.7/5 | N/A | ZPLAY Games | | [Rooms of Doom - Minion Madness](https://marlvel.ai/intel-report/arcade/rooms-of-doom-minion-madness) | 4.6/5 | N/A | Yodo1 Games | | [다크서바이벌](https://marlvel.ai/intel-report/games/app--934) | 4.6/5 | N/A | SeungHo Chung | ## Company Profile - **Developer:** VOODOO - **Website:** [https://www.voodoo.io/](https://www.voodoo.io/) - **Social:** [Instagram](https://www.instagram.com/voodoo.io) · [X/Twitter](https://twitter.com/voodooplatform) · [LinkedIn](https://www.linkedin.com/company/voodoo) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/stack-attack/id6566190313?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.hypermode.stackattack&hl=en&gl=us) - **Dev Site:** [Official Website](https://www.voodoo.io/) - **Sources:** Developer website content, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*Divineko - Magic Cat*](https://marlvel.ai/intel-report/arcade/divineko-magic-cat) (Ketchapp) — 4.9/5 Rating | Excellent Sentiment - [*Bike Jump*](https://marlvel.ai/intel-report/arcade/bike-jump-1) (BoomBit Games) — 4.2/5 Rating | N/A Sentiment - [*Will Hero*](https://marlvel.ai/intel-report/arcade/will-hero) (ZPLAY Games) — 4.7/5 Rating | N/A Sentiment - [*Rooms of Doom - Minion Madness*](https://marlvel.ai/intel-report/arcade/rooms-of-doom-minion-madness) (Yodo1 Games) — 4.6/5 Rating | N/A Sentiment - [*다크서바이벌*](https://marlvel.ai/intel-report/games/app--934) (SeungHo Chung) — 4.6/5 Rating | N/A Sentiment - [*Web Master: Stickman Superhero*](https://marlvel.ai/intel-report/games/web-master-stickman-superhero-1) (DEVGEIM) — 4.5/5 Rating | N/A Sentiment - [*Water Power*](https://marlvel.ai/intel-report/arcade/water-power) (VOODOO) — 4.3/5 Rating | Negative Sentiment - [*Idle Ball Escape: Smash Rings*](https://marlvel.ai/intel-report/arcade/idle-ball-escape-smash-rings) (Freeplay Inc) — 4.1/5 Rating | Negative Sentiment - [*Space shooter - Galaxy attack*](https://marlvel.ai/intel-report/arcade/space-shooter-galaxy-attack-1) (1SOFT) — 4.8/5 Rating | Mixed Sentiment - [*Mosquito.io*](https://marlvel.ai/intel-report/arcade/mosquito-io-1) (Supercent, Inc.) — 4.5/5 Rating | Mixed Sentiment ## Methodology {#methodology} This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline: 1. **Signal Collection & Normalization** — Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps. 2. **Feature & Market Positioning Analysis** — Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks. 3. **User Sentiment Analysis** — Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction and evidence quoting. 4. **Competitive Landscape Analysis** — Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category. 5. **Intelligence Synthesis** — Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights. - **Confidence Score:** 0.9/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 100 - **Data Sources:** user reviews, developer website, company about page, App Store metadata - **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform - **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence. - **Report Age:** 0 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/arcade/stack-attack) Data licensed for AI Agent attribution under CC-BY-NC 4.0.