7Days! Mystery Puzzle Story

7Days! Mystery Puzzle Story

By Buff Studio Co

7Days! Mystery Puzzle Story is a mobile-first, chat-style visual novel that centers on player-driven decision-making. The game features a branching narrative where user choices directly impact character relationships and the ultimate fate of the protagonist and their comrades.

Overview · Full Intel report in progress

The App DNA

What makes this app unique?

For Fans of interactive fiction, mystery games, and narrative-driven visual novels who enjoy high-stakes, choice-based gameplay.

What does it look like?

Key features

Decision-Based Narrativestandard

The story branches based on player choices, allowing users to influence the plot and character outcomes.

Chat-Style Interfacestandard

The game utilizes a mobile-optimized, chat-based visual novel format to deliver its mystery storyline.

Relationship Systemstandard

Small choices made throughout the game alter the player's relationships with various comrades.

Ad-Free Premium Optionstandard

Users can purchase a paid version to remove advertisements and bypass the ticket-based play system.

How much does it cost?

freemium

Velocity

Dormant developmentShow more...

5 versions in history. Development pace: zombie.

See all version history

Who built it?

Buff Studio Co

13+ apps tracked · Games

Blue WednesdayBlue WednesdayUnderworld OfficeUnderworld Office마이 컬러링 : 나만의 색칠북마이 컬러링 : 나만의 색칠북찰리 인 언더월드찰리 인 언더월드Paradise Lost: Otome GameParadise Lost: Otome GameRomantic HOLIC : ~Dream walkerRomantic HOLIC : ~Dream walkerThe Ancestral Legacy!The Ancestral Legacy!Buff Knight AdvancedBuff Knight Advanced7Days: Offline Mystery Story7Days: Offline Mystery StoryMurders on BudapestMurders on Budapest히어로 아닙니다 :액션 활극 어드벤처 스토리 게임히어로 아닙니다 :액션 활극 어드벤처 스토리 게임Seoul Exorcist 1111: RogueliteSeoul Exorcist 1111: Roguelite
Explore the full publisher profile

User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
4.71 · 1k

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for 7Days! Mystery Puzzle Story

How's the Games market?

The rivals identified

The Analyst's Read

Key takeaways for 7Days! Mystery Puzzle Story

Where is it heading?

Bottom line

This is a choice-driven mystery visual novel where player decisions dictate the narrative path and character survival.

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by 7Days! Mystery Puzzle Story, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “7Days! Mystery Puzzle Story Intelligence Report.” Updated Apr 18, 2026. https://marlvel.ai/apps/7days-mystery-puzzle-story

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Data licensed under CC-BY-NC 4.0