Last Day: Mystery Chat

Your friend Alex has vanished. You have 48 hours to find him, and the only way is through your phone. Welcome to Last Day: Mystery Chat, a gripping interactive detective story where every message could be a clue, every choice shapes the case, and one of your closest friends is hiding the truth.

HOW IT BEGINS
It's been hours since Alex went silent. Your group of friends is your only lead. At 11:47pm an automated email arrives, a countdown has started. If Alex doesn't enter his reset code in 48 hours, everything he's been hiding goes public. You're miles from campus. Your phone is your only weapon. And one of your closest friends knows more about this criminal case than they're telling.

BECOME THE DETECTIVE
• Solve mind-bending riddles to unlock new evidence
• Decode encrypted emails, examine voice notes & analyze metadata
• Cross-reference clues, alibis & timelines across multiple apps
• Receive video calls, audio messages, photos & documents from every character, the suspects come to you
• Investigate digital evidence and uncover lies hidden in plain sight

A FULL PHONE INVESTIGATION
Investigate through 9 fully interactive in-game apps, Messages, Email, Gallery, Voice, Notes, Files, Browser, Calendar & Settings. No floating HUD. No unrealistic mini-games. Every clue lives where it would on a real phone, and every notification might be the one that cracks the case.

10 EPISODES - 3 ENDINGS - COUNTLESS CHOICES
• 10 Episodes, 60 to 90 minutes each, a full season of branching detective adventure
• 3 Distinct Endings, shaped by the evidence you gather AND how you treat your friends
• Trust Is Tracked Silently, every reply shifts the story; what you don't say matters as much as what you do
• No Two Investigations Are the Same, your case is yours

MAKE IT YOURS
• Custom Themes, light, dark & stylized chat interfaces
• Chat Backgrounds, choose from a growing library
• Wallpaper Customization, your phone, your way

No match-3 filler, pure criminal investigation
No energy timers, play at your own pace
No pay-to-progress, the full case is free to solve

A CHAT MYSTERY ADVENTURE UNLIKE ANY OTHER
Last Day combines the suspense of true crime fiction, the intimacy of text-based adventure games, and the moral weight of branching detective stories. Read every message. Doubt every reply. The truth is hidden in the inbox.

FREE TO PLAY
The full mystery can be solved completely free. No paywalls, no energy gates, no premium-only content. Just you, the chat, and a friend to find.

FOR FANS OF
Interactive detective story games, criminal investigation games, chat-based crime adventures, branching narrative thrillers, whodunit puzzles, text adventures, choose-your-own-adventure games, true crime fiction, psychological detective games, murder mystery games, and visual novels. If you love uncovering secrets one message at a time, this is your next case.

WHAT KIND OF GAME IS THIS? DETECTIVE STORY, CYOA, TEXT ADVENTURE?
Last Day is an interactive detective story where you're connected to your friends through a realistic messenger interface. Your replies, choices and silences shape what others reveal, who trusts you, and how the case ends. This kind of game is also called a text adventure, choice game, CYOA (choose your own adventure), interactive fiction, decision game, or visual novel. It belongs to the genre of interactive crime fiction.

CAN YOU FIND ALEX IN TIME?
The clock is ticking.
Trust the wrong person and the truth slips away.
Download Last Day: Mystery Chat now and start the investigation.
Alex is counting on you.