Unofficial game guide
Last Seen Online
A free psychological horror puzzle game about exploring an old computer. Play the official game, follow the complete walkthrough, or get spoiler-controlled hints for every puzzle.
- Free to play
- Psychological horror
- 9 required puzzles
- ≈30–60 min
- By Sochin Studio
- Steam release: 14 Mar 2024
Psychological horror. Not for children or anyone easily disturbed.
Where Do You Need Help?
Three guides cover the whole game. Pick the one that matches what you need — the step-by-step route, the puzzle you are stuck on, or a password you have to type in.
Complete Walkthrough
All 15 steps from Liz’s desktop to the ending, with progress you can save.
Open the walkthrough →
All 9 Puzzles
Every gate in play order. Hints first, the answer only when you ask for it.
Open the puzzle guide →
Passwords & Codes
The computer login, the photos4em.zip code and your own Other World invite code.
Open passwords & codes →
Where Are You Stuck?
Tell us what you see — you don’t need to know the puzzle’s name. Every page starts with a spoiler-free hint and keeps the full answer behind a click.
Popular puzzles
Complete Walkthrough
Fifteen steps from Liz’s desktop to the ending. Mark steps as you go and your next visit opens where you stopped.
Part I
Liz's Desktop
6 steps · 4 puzzles
0 / 6
Part II
Other World
8 steps · 5 puzzles
0 / 8
Part III
Ending
1 step
0 / 1
Not sure which step you’re on?
Official game
Play Last Seen Online
Free browser game by qwook · 30–60 min · Keyboard, mouse or touch
qwook / sochinstudio
Opens the free official HTML5 build. The guide runs alongside it, so you can switch tabs when a puzzle blocks you.
Official itch.io page →Lost in Other World?
The route from Creation to the tribute room, with every stop that can block your progress.
Find where to go next⚠ Full spoilers
Finished the Game?
Understand what happened without digging back through every chat log and note you passed on the way.
Everything below spoils the story and the ending.
100% completion
Going for 100%?
Eleven verified achievements. Track the story, puzzle and optional unlocks without losing your place.
Open the Achievement Tracker →
0 / 11
Whose Computer Are You On?
Liz · alonegurl15
Liz is the centre of everything you find on the desktop — the chat logs, the ritual, and the reason you’re reading her files at all.
Coming next
Last Seen Online 2
A sequel/remake is now in development, planned as three acts with new puzzles and more story.
- Three acts
- New puzzles
- More story
See everything confirmed →
Quick Questions About Last Seen Online
+How long is the game?
Roughly 30–60 minutes. A direct run with the guide takes about 30 minutes; reading the chats, notes and optional content takes closer to an hour.
See the full answer →+Where can I play it?
It is a free browser game by qwook and sochinstudio. The official itch.io build is embedded at the top of this page, and there is a Steam release for Windows and macOS.
Play the official game →+Is the game free?
Yes. The browser build and the Steam release are both free to play. There is no paid tier, no paid DLC and no in-game purchase.
See the full answer →+How many puzzles are there?
Nine required gates between the login screen and the ending, plus a 15-step walkthrough covering everything in between. Each gate has its own hint-first guide.
Open the puzzle guide →+Is there a sequel?
Yes. A sequel/remake is in development, planned as three acts with new puzzles and more story. No release date has been announced.
See everything confirmed →