Steam app 1348390 · updated 12 Sep 2026, 22:25 UTC
Players take on the role of an air traffic controller, guiding aircraft safely and efficiently through real-world airports. With simple controls, it’s easy for anyone to enjoy, featuring a wide range of stages tailored for both beginners and advanced players.
281 hourly samples, with the daily peak drawn over them. Weekends are shaded.
72 months, October 2020 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, 170 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, 111 hourly samples. Each dip is a night. Weekends are shaded.
I am an Air Traffic Controller 4 was released on 15 Oct, 2020.
| Language | Full audio |
|---|---|
| English |
A blank audio cell means full audio was not marked in the returned language list.
45 developer announcements, Dec 2020 to Jul 2026 · times in UTC
{STEAM_CLAN_IMAGE}/38805577/750442711210a40933cc1945c0f9e2ab6f1c012e.png BOKUKAN5 TOKYO (HND) Demo Has Finally Arrived! Coming in 2027, BOKUKAN5 is the newest entry in the Air Traffic Control Puzzle series! ✈️ The first installment is set…
TechnoBrain{STEAM_CLAN_IMAGE}/38805577/df76e69d1b6c619d524a01b602d2719923885b1b.png Steam Summer Sale has just started! 🏖️ "I am an Air Traffic Controller 4" is up to 60% OFF during this period! What is "I am an Air Traffic Controller 4": - Become an…
TechnoBrainNew Development Footage Released! Coming soon on Steam!! A quick sneak peek at the latest title in the series, BOKUKAN5 TOKYO (HND), currently in development🎬️ Get ready for a brand-new BOKUKAN world!🛫 Since its release in 1998, this air…
TechnoBrain{STEAM_CLAN_IMAGE}/38805577/18d18a0e40c4ab13a7bb5e8ab78f8a4aa708232b.png Steam Spring Sale runs until 26 Mar at 10:00 (PT) "I am an Air Traffic Controller 4" is up to 60% OFF during this period! Only a short time left before the sale ends!…
TechnoBrain{STEAM_CLAN_IMAGE}/38805577/18d18a0e40c4ab13a7bb5e8ab78f8a4aa708232b.png Steam Spring Sale has just started! "I am an Air Traffic Controller 4" is up to 60% OFF during this period! Don't miss out! I am an Air Traffic Controller 4…
TechnoBrainNew Development Footage Released! Coming soon on Steam!! A quick sneak peek at the latest title in the series, BOKUKAN5 TOKYO (HND), currently in development🎬️ Airport's shifting scenery through seasons and time🍁 Get ready for a brand-new…
TechnoBrainNew Development Footage Released! Coming soon on Steam!! A quick sneak peek at the latest title in the series, BOKUKAN5 TOKYO (HND), currently in development🎬️ Get ready for a brand-new BOKUKAN world!🛫 Since its release in 1998, this air…
TechnoBrainNew Development Footage Released! Coming soon on Steam !! A quick sneak peek at the latest title in the series, BOKUKAN5 TOKYO (HND), currently in development🎬️ Get ready for a brand-new BOKUKAN world!🛫 Since its release in 1998, this air…
TechnoBrain“Beyond the door…” Coming soon on Steam !! A quick sneak peek at the latest title in the series, BOKUKAN5 TOKYO (HND), currently in development🎬️ Get ready for a brand-new BOKUKAN world!🛫 Since its release in 1998, this air traffic control…
TechnoBrain{STEAM_CLAN_IMAGE}/38805577/29da27805c7361084775fecc5dab3fe5a3130dc7.png It's finally here! The latest entry in the series, "BOKUKAN5 TOKYO (HND)" is coming to Steam! Set at Tokyo International Airport (HND/RJTT). Guide aircraft safely and…
TechnoBrain{STEAM_CLAN_IMAGE}/38805577/7c2b0d5c34537e6289c5369c2491a6d8d8716b2f.png Steam Winter Sale runs until 5 Jan at 10:00 (PT) "I am an Air Traffic Controller 4" is up to 70% OFF during the period - our biggest discount ever! Only a short time…
TechnoBrain{STEAM_CLAN_IMAGE}/38805577/7c2b0d5c34537e6289c5369c2491a6d8d8716b2f.png Steam Winter Sale has just started! "I am an Air Traffic Controller 4" is up to 70% off during the period - our biggest discount ever! Don't miss out! I am an Air…
TechnoBrain{STEAM_CLAN_IMAGE}/38805577/695aa9a4304c56b8a1bb8454dd9575950d1da500.jpg Steam Daily Deal is ending soon! The Daily Deal runs until 22 October at 10:00 (PDT). "I am an Air Traffic Controller 4" is up to 50% off during this period! Only a…
TechnoBrain{STEAM_CLAN_IMAGE}/38805577/695aa9a4304c56b8a1bb8454dd9575950d1da500.jpg Steam Daily Deal has started! The Daily Deal runs until 22 Oct, 2025 (PDT). "I am an Air Traffic Controller 4" is up to 50% off during this period! Don't miss out!! I…
TechnoBrain{STEAM_CLAN_IMAGE}/38805577/5b845d5424270cc9c5dedf4c4e11e90e8afc1433.jpg We have updated Frequently asked questions for "I am an Air Traffic Controller 4" Find out more…
TechnoBrain{STEAM_CLAN_IMAGE}/38805577/2c293d740b36e3129b5f26968adef34c4b3b153c.png Steam Summer Sale has just started! "I am an Air Traffic Controller 4" is up to 50% off during the period! Don't miss out! I am an Air Traffic Controller 4…
TechnoBrain{STEAM_CLAN_IMAGE}/38805577/bbdbc90bf486e9f9c6d10803fa54d55e67cc34ca.png Sale Ending Soon! DLC ATC4: NARITA Launch Sale is ending soon! I am an Air Traffic Controller 4 titles and DLC are available at up to 50% off during this period! Only…
TechnoBrain{STEAM_CLAN_IMAGE}/38805577/bbdbc90bf486e9f9c6d10803fa54d55e67cc34ca.png DLC ATC4: NARITA Launch Sale is about to begin. I am an Air Traffic Controller 4 titles and DLC are available at up to 50% off for a week starting today! Don't miss…
TechnoBrainIt's finally here! DLC ATC4: Airport NARITA has been released on Steam today! This product is DLC for "I am an Air Traffic Controller 4". Located in Chiba Prefecture, Narita International Airport(NRT/RJAA) is Japan’s largest international…
TechnoBrainWe've released the official trailer for I am an Air Traffic Controller 4 DLC : Airport NARITA . Check it out! This game is coming to Steam on 20 May, 2025(PDT). Add to your Wishlist and receive updates!…
TechnoBrainI am an Air Traffic Controller 4 DLC : Airport NARITA on STEAM at 20 May, 2025(PDT). It's finally here! DLC ATC4: Airport NARITA is coming on 20 May, 2025(PDT)! Located in Chiba Prefecture, Narita International Airport(NRT/RJAA) is Japan's…
TechnoBrain{STEAM_CLAN_IMAGE}/38805577/926a13c8066b32cdf8a116b40d283b1296a05aae.png Steam Winter Sale has just started! "I am an Air Traffic Controller 4" is up to 50% off during the period! Don't miss out! I am an Air Traffic Controller 4…
TechnoBrain{STEAM_CLAN_IMAGE}/38805577/31e31f28b28540353bfbf692be9d4e2622865b5b.png Steam Planes, Trains, and Automobiles Fest has just started! "I am an Air Traffic Controller 4" is up to 50% off during the period! Don't miss out! I am an Air Traffic…
TechnoBrainThis product (ATC4: Airport NARITA ) is DLC for "I am an Air Traffic Controller 4". {STEAM_CLAN_IMAGE}/38805577/21c0a2426a421db636443833d1983770aaa0451f.png Located in Chiba Prefecture, Narita International Airport(NRT/RJAA) is Japan’s…
TechnoBrainThis product (ATC4: Airport NARITA ) is DLC for "I am an Air Traffic Controller 4". {STEAM_CLAN_IMAGE}/38805577/e8bf671da9edcbe1834d8340d0c60ff4c18b971c.png https://store.steampowered.com/app/2670310/ATC4_Airport_NARITA_RJAA/
mukawaFixed minor bugs. ATC4:Airport NAGOYA Ver 1.01
Patch notes{STEAM_CLAN_IMAGE}/38805577/58883191769c531845355487ae0462ccf736ec5e.png DLC ATC4: NAGOYA Launch Sale is about to begin. I am an Air Traffic Controller 4 titles and DLC from Mar 28th, 2024 to Apr 4th, 2024. ATC4: NAGOYA…
TechnoBrainon STEAM - Gameplay Trailer] Built as an airline hub capable of operating 24 hours a day on an artificial island in Ise Bay, Chubu Centrair International Airport is used by domestic as well as Asian and European airlines. It is designed for…
mukawa{STEAM_CLAN_IMAGE}/38805577/61afce8171aa2eb8ec84c2c8adfb9baaf81ba0a7.png Built as an airline hub capable of operating 24 hours a day on an artificial island in Ise Bay, Chubu Centrair International Airport(NGO/RJGG) is used by domestic as…
mukawa{STEAM_CLAN_IMAGE}/38805577/55f691e3fb5222335177aebd93002342e35c35e5.png "I am an Air Traffic Controller 4" Steam Winter Sale is about to begin from Dec 21st, 2023 to Jan 4th, 2024. I am an Air Traffic Controller 4…
TechnoBrainThis product (ATC4: Airport NAGOYA ) is DLC for "I am an Air Traffic Controller 4". {STEAM_CLAN_IMAGE}/38805577/844d9cf381622f19bd52222450b4c6a38e4bba31.jpg https://store.steampowered.com/app/2659940/ATC4_Airport_NAGOYA_RJGG/
mukawa{STEAM_CLAN_IMAGE}/38805577/bab0acb868efea4530aa43ba89a3383db5cc0f9e.jpg DLC ATC4: OSAKA Launch Sale is about to begin. I am an Air Traffic Controller 4 titles and DLC from Sep 20th, 2023 to Sep 27th, 2023. ATC4: OSAKA…
TechnoBrainFixed minor bugs. I am an Air Traffic Controller 4 HANEDA ver 1.20 ATC4: Airport NAHA ver 1.20 ATC4: Airport NEW CHITOSE ver 1.20
Patch notes{STEAM_CLAN_IMAGE}/38805577/53b10904becbb0ad69e0101a3a83fbb52bd5a748.jpg Also known by its official name “Osaka International Airport,” Itami Airport is located in the center of Japan’s Keihanshin metropolitan area. In order to control…
TechnoBrainEnabled support for saving data to Steam Cloud. Click here for details about Steam Cloud. https://help.steampowered.com/en/faqs/view/68D2-35AB-09A9-7678 {STEAM_CLAN_IMAGE}/38805577/a7382359b85ab41bbc57109661179177c92e41ca.jpg
Patch notes{STEAM_CLAN_IMAGE}/38805577/53b10904becbb0ad69e0101a3a83fbb52bd5a748.jpg Also known by its official name “Osaka International Airport,” Itami Airport is located in the center of Japan’s Keihanshin metropolitan area. In order to control…
TechnoBrain{STEAM_CLAN_IMAGE}/38805577/695aa9a4304c56b8a1bb8454dd9575950d1da500.jpg "I am an Air Traffic Controller 4" Daily Deal is about to begin from May 14th, 2023 to May 21st, 2023. I am an Air Traffic Controller 4…
TechnoBrainThis product (ATC4: Airport OSAKA ) is DLC for "I am an Air Traffic Controller 4". {STEAM_CLAN_IMAGE}/38805577/4f5728bdf1a19df269546e74e46ab2b920cd229c.jpg https://store.steampowered.com/app/2314640/ATC4_Airport_OSAKA_RJOO/
TechnoBrain{STEAM_CLAN_IMAGE}/38805577/ce7f0f6dc66d5affcfb153ce7e65ef11f0c8bc94.jpg DLC ATC4: NEW CHITOSE Launch Sale is about to begin. I am an Air Traffic Controller 4 titles and DLC from Feb 14th, 2023 to Feb 21st, 2023. ATC4: Airport NEW CHITOSE…
TechnoBrain{STEAM_CLAN_IMAGE}/38805577/4b7df39353853724f926a882e645b2d8034cfe36.jpg As Hokkaido’s largest international airport, New Chitose Airport (CTS/RJCC) handles many international and domestic flights. At the adjacent Chitose Air Base are…
TechnoBrainFixed minor bugs. I am an Air Traffic Controller 4 HANEDA ver 1.10 ATC4: Airport NAHA ver 1.10
Patch notesI am an Air Traffic Controller 4 Soundtrack 01. Runway is Open!(ATC4 Main Theme) 02. Solifort Rain 03. From the Third World 04. Beat out of Breath 05. Shuffle it for Moirai 06. Windy Hill, Freezy Will 07. Who is Knocking this Heart? 08.…
TechnoBrainThis product (ATC4: Airport NEW CHITOSE ) is DLC for "I am an Air Traffic Controller 4". {STEAM_CLAN_IMAGE}/38805577/512ce1fddd98c1a686567bd70b288fbfeb9626c4.jpg https://store.steampowered.com/app/1839300/ATC4_Airport_NEW_CHITOSE_RJCC/
TechnoBrain{STEAM_CLAN_IMAGE}/38805577/551648e4b8018d310fa358b5e4169af2f6f4181e.jpg Naha Airport (OKA/ROAH) in Okinawa, the leading resort island in Japan served by many aircraft both national and international airlines. Naha Airport is used for joint…
TechnoBrainThis product (ATC4: Airport NAHA ) is DLC for "I am an Air Traffic Controller 4". This time, the stage is Naha Airport (ROAH) in Okinawa, one of Japan's most popular resort areas, served by many aircraft from Japan and abroad. Pay attention…
TechnoBrainEverything 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 |
|---|---|---|
| ATC4: Airport NARITA [RJAA] | Windows | 20 May 2025 |
| ATC4: Airport NAGOYA [RJGG] | Windows | 28 Mar 2024 |
| ATC4: Airport OSAKA [RJOO] | Windows | 20 Sep 2023 |
| ATC4: Airport NEW CHITOSE [RJCC] | Windows | 15 Feb 2023 |
| I am an Air Traffic Controller 4 Soundtrack | WindowsmacOSLinux | 28 Jan 2022 |
| ATC4: Airport NAHA [ROAH] | Windows | 26 Aug 2021 |
What Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | AXA.exe | TITLE\ATC4TITLE.axa | windows |
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 |
|---|---|---|
WinMyDocuments | TechnoBrain/ATC4_g/PORT | *.sif and below |
WinMyDocuments | TechnoBrain/ATC4_g/PORT | *.a4r and below |
WinMyDocuments | TechnoBrain/ATC4_g/PORT | *.a4c and below |
WinMyDocuments | TechnoBrain/ATC4_g/PORT | stage*.ini and below |
WinMyDocuments | TechnoBrain\ATC4_g/PORT | *.snax and below |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG