Starting today through September 23, 2026, "SmileBASIC 4" is available at 50% OFF on Nintendo Switch™—making it easier than ever to enjoy game programming! Along with "SmileBASIC 4", titles from the “Made with SmileBASIC” project—which brings commercial releases of games created using "SmileBASIC", the programming language behind "Petit Computer"—are also on sale. Create your own games with programming, then enjoy games made by people from all over the world. Jump into the ex

How are you spending your summer? When it's too hot to head outside, why not stay cool indoors and try learning programming? Starting today through August 5, 2026, "SmileBASIC 4" is available at 50% OFF on Nintendo Switch™—making it easier than ever to enjoy game programming! Along with "SmileBASIC 4", titles from the “Made with SmileBASIC” project—which brings commercial releases of games created using "SmileBASIC", the programming language behind "Petit Computer"—are also o

Thanks to you, “Petit Computer 4” is now celebrating its 7th anniversary! We truly appreciate all the wonderful creations you’ve uploaded to the server since its launch. We hope you continue to enjoy your “Petit Computer” life! Let’s play with programming!

On May 23, 2026, “Petit Computer 4” celebrates its 7th anniversary, thanks to your support! To mark the occasion and welcome even more programming friends, we are holding a special SmileBASIC Sale from today until Wednesday, June 3, 2026! Not only “Petit Computer 4” itself, but also titles from the “Made with SmileBASIC,” project—where user-created works made with the programming language “SmileBASIC” are turned into full games—are available at special prices! Create and play

Since releasing the first “Petit Computer” in Japan in 2011, we've been able to continue the series this far thanks to all of you who have enjoyed programming with “Petit Computer”! We hope you continue to enjoy your “Petit Computer” life— let’s play with programming!

On March 9, 2026, the “Petit Computer” (SmileBASIC) series proudly celebrates its 15th anniversary. We would like to extend our heartfelt thanks to everyone who has supported us along the way. To welcome even more people into the community and share the joy of programming through “Petit Computer,” we are holding the SmileBASIC Sale starting today through Wednesday, March 18, 2026. In addition to “SmileBASIC 4,” titles from “ Made with SmileBASIC ,” a project that brings user-

To show our appreciation for your continued support, we are holding a SmileBASIC Holiday Sale from today until January 7, 2026. Don't miss the discount on "SmileBASIC 4" as well as titles from the " Made with SmileBASIC " project, a project to commercialize user creations! https://www.nintendo.com/us/store/products/smilebasic-4-switch/ SmileBASIC Holiday Sale Overview Distribution Store: Nintendo eShop Period: December 18, 2025 - January 7, 2026 at 11:59 pm local time Product

To show our appreciation for your continued support, we are holding a SmileBASIC Summer Sale 2025 from today until November 6, 2025. Don't miss the discount on "SmileBASIC 4" as well as titles from the " Made with SmileBASIC " project, a project to commercialize user creations! https://www.nintendo.com/us/store/products/smilebasic-4-switch/ SmileBASIC Early Summer Sale 2025 Overview Distribution Store: Nintendo eShop Period: October 23, 2025 - November 5, 2025 at 11:59 pm loc

To show our appreciation for your continued support, we are holding a SmileBASIC Summer Sale 2025 from today until August 6, 2025. Don't...

We’ve released SmileBASIC4 ver. 4.4.9! This update includes bug fixes such as an issue where the program could hang when playing sounds...