Company

Information

2026.10.15

 “RPG Developer Bakin”
A Diverse Collection of Games Made with Bakin!
Introducing the “Made with RPG Developer Bakin Game Showcase”
Ver. 2.7 Update & Early Access 4th Anniversary Sale
SmileBoom Co.Ltd. is pleased to announce the launch of the Steam event “Made with RPG Developer Bakin Game Showcase,” celebrating the fourth anniversary of the Early Access launch of RPG Developer Bakin (read as "BAH-keen"; hereafter referred to as Bakin), its game creation tool for PC, on October 17, 2026. The event showcases a diverse collection of unique games created with Bakin. In addition, the major Ver. 2.7 update is now available, introducing features such as DirectX 12 (Beta) support and expanded color grading features for 3D environments. To celebrate the anniversary, a special sale is also underway on Bakin and various DLCs.

Click here for details. 

2026.10.05

Notice of Temporary Office Closure for Employee Training

We would like to take this opportunity to thank you for your continued support.
Our office will be closed from Monday, November 16 to Tuesday, November 17, 2026 (JST) due to employee training.
Any inquiries received during this period will be addressed in the order they are received beginning on Wednesday, November 18, 2026 (JST).
We apologize for any inconvenience this may cause and appreciate your understanding.

2026.10.02

"RPG Developer Bakin" 
Steam Autumn Sale 2026: RPG Developer Bakin 3
0% OFF! 
Starting today, "RPG Developer Bakin" is 30% off, and various DLCs are 10-70% off until Thursday, October 8, 2026, at 10:00 AM PDT in the Steam Autumn Sale 2026 ! Don't miss this opportunity!

Click here for details *To Steam page.

2026.10.02

"SMILE GAME BUILDER" on Steam AutumnSale 2026
Starting today, "SMILE GAME BUILDER" and various DLCs are 80% off until Thursday, October 8, 2026, at 10:00 AM PDT in the Steam Autumn Sale 2026 !
Don't miss this opportunity!
Click here for details *To Steam page.

2026.09.12
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 exciting world of programming today!
2026.09.08

"SMILE GAME BUILDER" Celebrating 10 Years!
To celebrate this milestone and thank you for your continued support, we’re excited to release “SMILE GAME BUILDER CHARACTER ART WORKS” for free!
Originally released on September 8, 2016, “SMILE GAME BUILDER” celebrates its 10th anniversary today. 
To mark this special occasion, we’re making “SMILE GAME BUILDER CHARACTER ART WORKS” available as a free download.
This collection brings together a treasure trove of artwork created throughout the development of “SMILE GAME BUILDER”, including character concept art, early sketches, color roughs, line art, and more. Download it and take a look!
Click here for details *To Steam page.

2026.08.28

 “RPG Developer Bakin”
Celebrating the First Anniversary of the Full Release!
Major Update Expands Auto Battle and Video Production Capabilities!
Anniversary Sale and Artwork Submission Campaign Also Underway
Today, SmileBoom Co.Ltd. is pleased to announce that its PC game creation tool, "RPG Developer Bakin" (read as "BAH-keen"; hereafter referred to as Bakin), has reached the first anniversary of its full release.
At the same time, we have released the major Ver. 2.6 update, which introduces a new Auto Battle feature, enhanced video presentation capabilities, and more.
To commemorate the first anniversary of the full release, we are also holding an anniversary sale featuring Bakin and various DLCs. In addition, we are running the “Second Official Website Background Artwork Call for Submissions,” an initiative that will feature selected user-created artwork as the background of the official website’s top page.

Click here for details. 

2026.08.28

"RPG Developer Bakin" 
Full Release 1st Anniversary Sale: RPG Developer Bakin 3
0% OFF! 
Starting today, "RPG Developer Bakin" is 30% off, and various DLCs are 20-70% off until Thursday, September 10, 2026, at 18:00 PM PDT. Don't miss this opportunity!

Click here for details *To Steam page.

2026.08.28

"SMILE GAME BUILDER" 10th Anniversary Sale!
Our easy-to-use RPG game creation software for Windows, "SMILE GAME BUILDER," celebrates its 10th anniversary on September 8, 2026!
To celebrate, starting today, SMILE GAME BUILDER and its DLCs are up to 80% OFF! until Thursday, Sep. 10, 2026, at 6:00 PM PDT.
Don't miss this opportunity!
Click here for details *To Steam page.

2026.08.05

Notice of Summer Holidays
We would like to take this opportunity to thank you for your continued support.
Our office will be closed for the summer holidays during the following period.
We apologize for any inconvenience this may cause and appreciate your understanding.

[Summer Holiday Period]
Saturday, August 8, 2026 - Sunday, August 16, 2026 (JST)

We will be open for business as usual from Monday, August 17, 2026.

Inquiries received during the summer holiday period will be handled in order from Monday, August 17, 2026.

2026.07.16
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 on sale.
 
Create your own games with programming, then enjoy games made by people from all over the world.
Jump into the exciting world of programming today!
2026.06.26

"RPG Developer Bakin" 
Steam Summer Sale 2026: RPG Developer Bakin 3
0% OFF! 
Starting today, "RPG Developer Bakin" is 30% off, and various DLCs are 10-70% off until Thursday, July 9, 2026, at 10:00 AM PDT in the Steam Summer Sale 2026 ! Don't miss this opportunity!

Click here for details *To Steam page.

2026.06.26

"SMILE GAME BUILDER" on Steam Summer Sale 2026
Starting today, "SMILE GAME BUILDER" and various DLCs are 80% off until Thursday, July 9, 2026, at 10:00 AM PDT in the Steam Summer Sale 2026 !
Don't miss this opportunity!
Click here for details *To Steam page.

2026.06.18

 “RPG Developer Bakin”
Major Update Expands Character Expression with Support for "Live2D®" Animated Illustrations!
Today released the major update Ver. 2.5 for “RPG Developer Bakin” (read as "BAH-keen"; hereafter referred to as Bakin). This update introduces a variety of new and improved features to support game development, including the ability to use Live2D models directly within games.
In addition, the "SmileBoom Early Summer Sale 2026" is now underway, offering Bakin itself and various DLCs at special discounted prices.
To further increase awareness of games created with Bakin and support creators, we have also launched a Steam Curator page featuring selected titles and begun accepting submissions of user-created works.

Click here for details. 

2026.06.12

"RPG Developer Bakin" 
SmileBoom Early Summer Sale 2026: RPG Developer Bakin 3
0% OFF! 
Starting today, "RPG Developer Bakin" is 30% off, and various DLCs are 10-70% off until Thursday, June 25, 2026, at 10:00 AM PDT in the SmileBoom Early Summer Sale 2026 ! Don't miss this opportunity!

Click here for details *To Steam page.

2026.06.12

"SMILE GAME BUILDER" on SmileBoom Early Summer Sale 2026
Starting today, "SMILE GAME BUILDER" and various DLCs are 80% off until Thursday, June 25, 2026, at 10:00 AM PDT in the SmileBoom Early Summer Sale 2026 !
Don't miss this opportunity!
Click here for details *To Steam page.

2026.05.21
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 your own games with programming, and enjoy games made by users around the world.
Now is the perfect time—why not try the “Petit Computer” experience?
2026.04.28

 “RPG Developer Bakin”
New Features Added Including
Enhancing Game “Visuals” and “Ease of Creation”
Major Update Ver. 2.4 Released
Today released the major update Ver. 2.4 for “RPG Developer Bakin” (read as "BAH-keen"; hereafter referred to as Bakin). This update introduces enhanced visual features, including the implementation of shadow maps, as well as new functions designed to streamline event creation. In addition, the company has revealed plans for future feature expansions, including support for “Live2D,” a service provided by Live2D Inc.

Furthermore, the “SmileBoom Golden Week Sale 2026” is now underway, offering the base version of Bakin and various DLC at special discounted prices.

Click here for details. 

2026.04.28

"RPG Developer Bakin" 
SmileBoom Golden Week Sale 2026: RPG Developer Bakin 20% OFF! 

Starting today, "RPG Developer Bakin" is 20% off, and various DLCs are 10-30% off until Monday, May 11, 2026, at 6:00 PM PDT in the SmileBoom Golden Week Sale 2026 ! Don't miss this opportunity!

Click here for details *To Steam page.

2026.04.28

"SMILE GAME BUILDER" on SmileBoom Golden Week Sale 2026
Starting today, "SMILE GAME BUILDER" and various DLCs are 80% off until Monday, May 11, 2026, at 6:00 PM PDT in the SmileBoom Golden Week Sale 2026 !
Don't miss this opportunity!
Click here for details *To Steam page.

2026.03.12

 “RPG Developer Bakin”
New Features Added Including
Enemy Party Function and Message Preview
Major Update Ver. 2.3 Released
Today released the major update Ver. 2.3 for “RPG Developer Bakin” (read as "BAH-keen"; hereafter referred to as Bakin). This update introduces a variety of new features that expand the flexibility of battle and store systems, as well as numerous additions and improvements designed to support event creation and debugging tasks.
In addition, two new bundles are now available for purchase, and the “SmileBoom Spring Sale 2026” has begun.

Click here for details. 

2026.03.12

"RPG Developer Bakin" 
SmileBoom Spring Sale 2026: RPG Developer Bakin 20% OFF! 

Starting today, "RPG Developer Bakin" is 20% off, and various DLCs are 10-35% off until Thursday, March 19, 2026, at 10:00 AM PDT in the SmileBoom Spring Sale 2026 ! Don't miss this opportunity!

Click here for details *To Steam page.

2026.03.12

"SMILE GAME BUILDER" on SmileBoom Spring Sale 2026
Starting today, "SMILE GAME BUILDER" and various DLCs are 80% off until Thursday, March 19, 2026, at 10:00 AM PDT in the SmileBoom Spring Sale 2026 !
Don't miss this opportunity!
Click here for details *To Steam page.

2026.03.09

Thanks to all of you, the “Petit Computer” (SmileBASIC) series is celebrating its 15th anniversary!

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!
 
2026.03.05

Celebrating the 15th Anniversary of the “Petit Computer” Series! SmileBASIC Sale Now On (Until Wednesday, March 18, 2026)

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-created works made with the “SmileBASIC” programming language to market, are also available at special prices.
 
Why not join the ever-growing “Petit Computer” community that has been expanding for the past 15 years?
Programming and creating your own projects is a lot of fun!
2026.01.29

"RPG Developer Bakin" 
SmileBoom Fresh Start Sale 2026: RPG Developer Bakin 20% OFF! 

Starting today, "RPG Developer Bakin" is 20% off, and various DLCs are 10-40% off until Sunday, February 8, 2026, at 5:00 PM PST in the SmileBoom Fresh Start Sale 2026 ! Don't miss this opportunity!

Click here for details *To Steam page.

2026.01.29

"SMILE GAME BUILDER" on SmileBoom Fresh Start Sale 2026
Starting today, "SMILE GAME BUILDER" and various DLCs are 80% off until Sunday, February 8, 2026, at 5:00 PM PST in the SmileBoom Fresh Start Sale 2026 !
Don't miss this opportunity!
Click here for details *To Steam page.