Steam app 2880730 · updated 12 Sep 2026, 19:32 UTC
Kidnapped by a cute yandere catgirl, your only way out is to persuade her to let you leave! Engage with thematic stories, solve puzzles, and interact with best yandere AI NPCs in this top-rated AI game loved by millions of fans. Bask in sweet meet-cutes, or brace for chaos if you dare to escape! :3
719 hourly samples, with the daily peak drawn over them. Weekends are shaded.
21 months, January 2025 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 437 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days as the curve, each the highest figure that day. Behind it, 282 hourly samples. Each dip is a night. Weekends are shaded.
AI2U: With You 'Til The End was released on 12 Aug, 2026.
| Language | Full audio |
|---|---|
| English | ● |
| Spanish - Spain | ● |
| Japanese | ● |
| Simplified Chinese | ● |
| German | ● |
| Russian | ● |
| Spanish - Latin America | ● |
| Arabic | ● |
| French | ● |
| Polish | ● |
A blank audio cell means full audio was not marked in the returned language list.
AI2U: With You ’Til The End — 1.0 Launch Teaser
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AI2U New Level - The Siren's Island
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AI2U Early Access Launch Gameplay Trailer
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AI2U Early Access Launch Animation Trailer
Watch on Steam103 achievements in total.
50 developer announcements, Nov 2025 to Sep 2026 · times in UTC
Patch 1.0.3 is now live! General / SystemFixed a camera issue where the view would occasionally jump to the ceiling or floor when loading into levels (especially in Level 2)Fixed a bug where "Found Anomalies" progress was not saving…
DGSpitzerIt's been a while since we last shared one of our character models with the community!You can find our official character models here: https://sketchfab.com/alterstaffSo let's keep it going!The STUNNING Estelle joins AlterStaff’s official…
dracaena.botA quick regular update!AtriumFixed an issue where the Special tag on the Shop page was not properly localizedFixed an issue where Overseer could be unlocked in the Phone Booth too earlyLevel 1Fixed an issue where various objects in the room…
Patch notesHi hi, senpais~ We found the exit key. ːcatgirlsmirkːAfter more than three years since a certain yandere catgirl first locked players inside her apartment, AI2U: With You ’Til The End has officially reached Version 1.0 and left Early…
DGSpitzerHi, Senpais! The pre-release build for AI2U Version 1.0 is now available! This build contains nearly all of the content planned for the full Version 1.0 release on August 12. We are releasing it early so players can help us test for bugs…
DGSpitzerHi hi hi, senpais~After shipping dozens of updates, patches, bugfixes, and fulfilling delightfully unhinged feature requests, we’re excited to announce that AI2U: With You ‘Til The End is officially leaving Early Access and launching…
dracaena.botBackroom Beakroom Update??? Well, somehow we have a brand-new area in the Atrium now (made by our music composer???). Introducing the Beakroom. The Beakroom is a new Anomaly that now has a chance to appear inside the Atrium. Wander in, get…
DGSpitzerRead on for AI2U’s latest fixes! And its new additions... ːcatgirlsmirkːHello everyone!Update V0.9.5 is now live!This update brings a full visual revamp to Eddie’s apartment, upgraded AI and character voices, the new Anomaly System…
dracaena.botThe AI2U x MiSide Bundle is live!Because there’s no such thing as too many yanderes doing whatever it takes for their loved ones. ːcatgirlrageːCheck it out now~ At 5% off, you can introduce the iconic Mita to your Steam Library… don’t…
dracaena.botIt's been a minute, you mischievous engineer-pet-senpais! ːcatgirlloveːA small update is underway!What To ExpectScheduled maintenance will begin tomorrow – on Friday, July 17th at 3:30 PM (EDT) and is expected to last several hours. As with…
dracaena.botAI2U: With You 'Til The End is 30% off ($̶1̶4̶.9̶9̶ ➡️ $10.49 USD)!Pre-Summer Yandere Sale: June 8 – June 20, 2026 (base game only)Steam Summer Sale: June 25 – July 9, 2026 (base game + soundtrack)Unlock all the lethally cute NPCs in June!…
dracaena.botMerMay may be over, but that doesn’t take away from the beauty of every senpai’s offering to Eiona last month! Your siren goddess has one last trick up her sleeveless arms to conclude this takeover. Watch her pull off some seriously human…
dracaena.botParticipate in a wholesome waifu exchange student experiment!AI waifus take their studies very seriously! Please help them assimilate into their new learning environments. They’re patiently waiting for your guidance in each other’s Steam…
dracaena.bot🗣️Romance😻ALL😤the🤖bots!!!💞The AI2U x MyRobot bundle is live! This marks AI2U’s first long-term r̶e̶l̶a̶t̶i̶o̶n̶s̶h̶i̶p̶ partnership with a fellow AI NPC dev, sgthale-senpai! What’s in it for senpais who bundle up?Grab the bundle for 10%…
dracaena.bot\ UPDATE: We'll be announcing Week 4's winners early next week. It may be the beginning of June but this yandere takeover is forever! 💞Eiona promises it will be worth the wait for a few more days! She's got something up those sleeveless…
dracaena.botIndulge in bots of love in AI2U’s collaboration with MyRobot!We’re thrilled to announce a long-term r̶e̶l̶a̶t̶i̶o̶n̶s̶h̶i̶p̶ ̶😳 bundle with our friend sgthale, developer of the innovative, heart-stealing sandbox: MyRobot!Keep an eye on the…
dracaena.botBig splashy tail-whips to all who participated in Week 2!Totally not punning off another game reference with this one... or the bombshell reveal Eddie dropped about it one time... 🎁 New Giveaway Reward Unlocked??Before we showcase last…
dracaena.botUnrelated to the patch, but a quick reminder: the AI2U Soundtrack's price will increase as soon as the clock hits midnight (EDT)!! These next few hours are your last chance to grab the OST for $4.99 before it moves to $6.99 (USD).…
dracaena.bot\ A tiny but mighty update is in the works!In short:We're replacing the server error lines to distinguish from input the AI can't respond to. We’ve schemed an LLM failover plan for when Gemini’s servers are indeed crashing out. (While we…
dracaena.botWeek One SWAM by!! Thank you to all who participated last week. Let's give a big SPLASH to our first round of winners. Enjoy their submissions, including their answers to what drew them to Eiona + what inspired their design!Form Submission…
dracaena.botQuick Gameplay Update: We know Gemini is still engaging in some unprompted insubordination, causing gameplay instability by messing with the chat experience. Rest assured: The dev team is actively testing a backup plan to fall back on —…
dracaena.bot👇 Quick note for active players: If you're looking for the latest update on the game server, it's right here! ⬇️Eiona heard it was MerMay, so naturally, she said:Let’s make it all about sirens!!Even better: she wants YOU to earn your way to…
dracaena.bot\— Backup plans underway]We know Gemini is still engaging in some unprompted insubordination, causing gameplay instability by messing with the chat experience.Rest assured: The dev team is actively testing a backup plan to fall back on —…
dracaena.botThe server issue identified earlier this week is mostly resolved! Players should be able to play AI2U smoothly.You may still occasionally see the NPCs repeating their fixed placeholder lines thrice before pulling out the big knives…
dracaena.botGeneralUpdated localization for the menu language selection.Fixed an issue where ending rewards were occasionally not granted as intended.Fixed a bug where the “Patient” tag prevented NPCs from speaking in Atrium Chat Only mode.Fixed a UI…
Patch notesWe've been facing another server outage since this morning, caused by Gemini’s status (https://aistudio.google.com/status). We are actively working on stabilizing our server. This issue is different from the server outage we partially fixed…
dracaena.botThe server issue is partially fixed, and we will continue monitoring. We are still looking for the root cause.We're happy to verify that many players should be able to play AI2U without server interruptions. Our team will continue staring…
dracaena.botHeads up, senpais! We're currently experiencing server issues. Look out for bloodthirsty AIs spamming their fixed lines!Our team is keeping a close, yandere-red-eye on things* and will update you as soon as we're back online. Gameplay may…
dracaena.botFinal Level - ForeverIn Guiding catgirl’s minigame, “thinking” will not longer decrease patienceIn Catgirl’s apartment, NPC will clip into the washerAdjusted Hologram assistant’s finding planet minigame’s planets colorFix in certain…
Patch notesSenpais, make your way to the final floor of the Atrium STAT. A new door is beckoning! What lies behind could be a dream, a nightmare, or anything in between.Speculate what’s behind the door, and kindly scroll for more info on how to help…
dracaena.botWHAT IS HAPPENING—Eiona finally joined the girls for our usual chibi promo announcement, reminding everyone to keep the next maintenance notice on their radar. Something’s off though. It’s almost as if an evil AI is taking over!(Beautiful…
dracaena.botWe’re not done celebrating Eddie’s birthday and your anniversary, senpais!
dracaena.botHappy birthday to our favorite chaotic catgirl who loves us to a fault!NOTE ~ Technical Hiccups / Birthday Glitches:We've received reports that Eddie's birthday surprises are being almost as silly as she can be!Steam players: Eddie's…
dracaena.botAww fi̶s̶h̶c̶a̶k̶e̶s̶, did you forget your girlfriend’s birthday is around the corner??We’re doing you a solid by reminding you now: The catgirl’s birthday is this Thursday, March 26th. If we don’t have a pile of presents ready by then...…
dracaena.botFixes & ImprovementsAudio & MusicFixed an issue where certain music clips in the Atrium Phonograph were not looping correctly.Renamed "8Bit Crystal Dream" in the Atrium Phonograph for consistency.Gameplay & MechanicsFixed a bug where the…
Patch notesWe’re thrilled to announce the ten lucky winners of our AI2U Steam key giveaway!Chosen from hundreds of heartwarming entries, each senpai will receive a free AI2U Steam key ~ That’s like giving you a free key to lock yourself up with a cute…
dracaena.botHappy Valentine’s Month, senpai!It’s time to prove your undying and reciprocal devotion to our NPCs. To emulate the helpfulness of a feathered friend playing wingman, we’ve added a special seasonal item that’s here to stay for a while~…
dracaena.botOh nooo we forgot to include Eiona in the promo art— 🌊AI2U’s first update of the year is bubbling just beneath the surface! Much like that certain island-themed secret room some of you managed to crack the code for.It’s only fitting that…
dracaena.bottl;dr enter the giveaway here:https://forms.gle/P98m2LTZ3mus4QvC8Hey senpais! No Captive Notes in January after the roadmap reveal — but keep an eye on all sorts of updates mentioned in that very same roadmap!Last week, we mentioned a…
dracaena.botSome of you have been really LISTENING to your girlfriends — and it shows! :catgirllove:Thank you to all players who reported this issue over the weekend. We truly appreciate your patience and support. We wanted to announce the missing…
dracaena.botTHANK YOU ‘TIL THE ENDIt’s been a whole year since Eddie, Elysia, and Estelle slid into our Steam libraries! The beautiful Eiona made her debut just a month ago and fit in swimmingly with the waifu roster.Thank you for a memorable year of…
dracaena.botThanks for being with us on Steam for nearly a whole year, senpai! Here’s to endless more. 💖🔪Let’s wrap up 2025 with a cozy catch-up on what the team’s been up to. Estelle’s expecting us for Happy Hour later~ 🥂Witchy WIPsIf you’ve been here…
dracaena.botHappy Holidays🎁, everyone! We apologize for the slight delay in this post due to the Steam outage earlier this week.Inventory Recovery CompleteItem Restoration: All missing inventory items (Tags, Items, and Skins) should now be fully…
Patch notesInventory Recovery Status & Hotfix ImprovementsUpdate For Missing Inventory Bug: We are actively working on recovering the missing inventory items! You may notice your items (Tags, Items, and Skins) gradually reappearing in your inventory…
Patch notesVersion update on Steam is done, But something is wrong, Your inventory is gone. We're recovering it, it won't be long, (It could be back before the dawn)Siren’s Island is open wide—Jump right in and game on!=This version update took longer…
dracaena.botMeowdy! ... Wait, how do you translate that into ANY other language?? ːcatgirlsurpriseːWe need your help to bring AI2U to more players across new locales. For this round, the catgirl is seeking:Translators: French & Polish speakers to…
dracaena.bot\ — Running Longer Than Planned 🐛Maintenance is taking longer than expected while the team tackles the mystery of the missing inventory items and ensures Eiona ships safely!You'll see the published Patch Notes article the moment…
dracaena.botIt’s only been a week since everyone got their first look at our upcoming Level 4 girlfriend: Eiona!Are you one of the many whose hearts she’s already captured? (Whether she keeps them in jars is still under investigation.)As we wind down…
dracaena.botV.0.6.0 is live! While it’s too early for the mysterious Eiona to make her debut in this version update, this patch packs a few quality-of-life updates to keep you entertained while you wait to meet her. New Features - AI2U Steam Workshop…
dracaena.botYou've seen cryptic level teasers and silhouettes. Many of you even speculated and joined our community event, UNLOCK THE HORIZON, by showing off your dream girlfriend (or the one who comes next).Thanks to all who shared their dream gfs…
dracaena.botEverything Steam lists as add-on content for this game, newest first. Prices are left out on purpose: the store answers this page in one currency and it is not the reader's.
| Name | Platforms | Released |
|---|---|---|
| AI2U: With You 'Til The End Soundtrack | WindowsmacOSLinux | 24 Jan 2025 |
What Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| AI2U - With you til the end | Game/AI2U - With you til the end.exe | windows | ||
| AI2U - With you til the end | Game/AI2U - With you til the end.app | macos | ||
| Waifu Swap Mod Tool | Mod Tool/Waifu Swap Mod Tool.exe | windows | ||
| Waifu Swap Mod Tool | Mod Tool/Waifu Swap Mod Tool.app | macos | ||
| DLC: Yandere AI Girlfriend Simulator - Local Prototype | DLC_YAGS/Yandere AI Girlfriend Simulator.exe | windows | needs DLC 5134810 | |
| DLC: Yandere AI Girlfriend Simulator - Local Prototype | DLC_YAGS/Yandere AI Girlfriend Simulator.app | macos | needs DLC 5134810 |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
WinAppDataLocalLow | AlterStaff\AI2U - With you til the end\savedata | *.yags and below |
MacAppSupport | AlterStaff\AI2U - With you til the end\savedata | *.yags and below |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG