9 Hours, 9 Persons, 9 Doors is an escape room visual novel released for the Nintendo DS in 2009, and was re-released on PS4 and Steam bundled with sequel Virtue's Last Reward as part of 'The Nonary Games'.

999 is one of those stories that could only have been told through a video game, and it's a big part of why i love it so much. i genuinely consider it one of the best games ever made! i love how the features unique to video games as a storytelling medium are an integral part of the game's narrative.

999 comes from the era of DS games that utilise the dual screens in unique and creative ways. the dual-screen presentation is an inextricable part of the game's storytelling, and it's why i'm such a firm advocate of the OG DS version of the game despite the quality-of-life improvements of the updated re-release.

perhaps one of 999's greatest strengths is its cast of characters. each character is fleshed out and distinct, with a justified reason for being involved in the story. their reactions to the situation at hand feel both appropriate and representative of the vast spectrum of human emotions. plus, developer Kotaro Uchikoshi based each character off of one of the 9 Enneagram types -- how cool is that! i won't talk about the characters in too much depth here, but if you want my detailed thoughts, click the character portraits on this page!

one final word of warning: 999 is a game that's best experienced by going in as blind as possible. the rest of this page will contain spoilers, so if you haven't played it but think you might like to, proceed with caution.

my unsolicited but nevertheless objectively correct opinion on which is the best version of the game to play

spoiler alert: it's the DS version.

Nintendo DS version

pros cons
the intended experience of the game. the game's twist is built around the dual-screen presentation on the DS incredibly hard to come by; expensive even when you can find a copy
touch-screen controls; as a point-and-click escape room game, navigation and puzzle-solving is at its most intuitive with touch-based controls dear god is it SLOW. the text scrolls at one speed only, and that speed is not fast -- given just how much text is in the game, it can be genuinely frustrating at times (there is an autoskip for text you've already read, but it still takes a while)
the final puzzle !!! ohhhh my god it is THE most emotional puzzle you will ever solve in your whole entire life. it unites the narrative, the characters, and even the game mechanics in such a cohesive and satisfying manner that it's genuinely haunting can get repetitive. 999 has multiple endings, but since the only way to achieve them is to play the game through linearly, it means rewatching the same early-game scenes multiple times, at an agonisingly slow text speed

Steam / PS4 port

pros cons
infinitely more accessible the switch from dual-screen to single-screen weakens the narrative, and absolutely KNEECAPS the main plot twist
voice acting ! the game is fully voice-acted; all of the voices fit the characters sooo well and Evan Smith does an INCREDIBLE job as Junpei. his final lines in Safe end haunt me THAT FINAL PUZZLE. because the final puzzle was built around the dual screens of the Nintendo DS, it did not translate well AT ALL to the remastered port so they changed it entirely. while it's not, like, a BAD puzzle by any means, there's sooo much gravitas behind the OG final puzzle that's just ... lost with the change >:(
quality-of-life improvements. the most notable improvement is having access to a flowchart of the game's endings, allowing you to skip along parts of the timeline you've already played, thereby significantly reducing the amount of backtracking needed to achieve every ending button-only controls. these were present in the OG DS version, but not required. the button controls can be finicky and not as accurate as the touch screen controls; while not a significant issue, it does break the flow of gameplay at times (and, for at least one puzzle, makes it significantly harder to solve)

final thoughts: the DS version of 999 is undeniably the best way to experience the game. its story and gameplay is built around the dual-screen format of the DS in such an inextricable way that removing the dual-screen presentation fundamentally weakens the narrative. (while it's still a fucking incredible story regardless of which format you play it in, i think a huge part of why it hit so hard, and why i love it as much as i do, was because i played the OG DS version first.)

that said, getting your hands on a copy of the DS version is exceedingly difficult these days. my recommendation would be to emulate it if at all possible -- being a point-and-click visual novel means it translates much better to emulation than some games do. (plus, the emulated version comes with the added bonus of being able to speed up gameplay, and thus the text!) that way you get to experience the intended version of the game while sidestepping the majority of the accessibility and quality-of-life issues of the OG DS version.

if you do play the updated re-release, at the very least play in 'Novel' mode. it's the most accurate representation of the original version of the game, and so many of the game's key emotional moments are heavily reliant on the narration that is only viewable in that mode! unfortunately the updated rerelease doesn't do a lot to incentivise playing in 'Novel' mode, so in lieu of that please heed my heavily emphatic suggestion instead.

999 endings

999 has 6 endings in total: Sub, Knife, Axe, Coffin, Safe, and true.

the Safe and true endings are 999's 'official' endings that are required in order to beat the game, whilst the other endings are generic 'bad' endings. while these 'bad' endings aren't essential to beating the game, they're still worth getting imo, because of the way they flesh out 999's characters and expand on the mystery at the heart of the game's narrative.

999's endings can be achieved in any order, with one caveat -- the Safe ending must be completed before the true ending. attempting to pursue the true ending without first having completed the Safe ending will result in the Coffin ending.

below is a suggested order for obtaining each of 999's endings. everyone has their own opinions on the best order to get the endings in; mine is based on what i feel provides the best balance of intrigue against narrative tension & progression.

Sub -> Knife -> Axe -> Safe -> true

ending guide

to minimise backtracking, i have added the below guide to achieving each of 999's different endings. each ending is reached by progressing through a different combination of numbered doors (with the addition of 'story checks' in the form of dialogue options for the true ending).

note: i did not create this guide; it's simply a helpful resource i found online. i haven't yet been able to track down the source, but when i do i will update to add a link back.

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