“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.
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.
"RPG Developer Bakin"
Steam Autumn Sale 2026: RPG Developer Bakin 30% 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.
"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.
"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.
“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.
"RPG Developer Bakin"
Full Release 1st Anniversary Sale: RPG Developer Bakin 30% 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.
"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.
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.
"RPG Developer Bakin"
Steam Summer Sale 2026: RPG Developer Bakin 30% 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.
"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.
“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.
"RPG Developer Bakin"
SmileBoom Early Summer Sale 2026: RPG Developer Bakin 30% 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.
"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.
“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.
"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.
"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.
“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.
"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.
"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.
Thanks to all of you, the “Petit Computer” (SmileBASIC) series is celebrating its 15th anniversary!
Celebrating the 15th Anniversary of the “Petit Computer” Series! SmileBASIC Sale Now On (Until Wednesday, March 18, 2026)
"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.
"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.
Notice of Winter Holidays
We would like to take this opportunity to thank you for your continued support.
Our office will be closed for the winter holidays during the following period.
We apologize for any inconvenience this may cause and appreciate your understanding.
- Winter Holiday Period
Saturday, December 27, 2025 - Sunday, January 4, 2026 (JST)
We will be open for business as usual from Monday, January 5, 2026.
Inquiries received during the winter holiday period will be handled in order from Monday, January 5, 2026.
"RPG Developer Bakin"
Steam Winter Sale 2025: RPG Developer Bakin 20% OFF!
Starting today, "RPG Developer Bakin" is 20% off, and various DLCs are 10-35% off until Monday, January 5, 2026, at 10:00 AM PST in the Steam Winter Sale 2025 ! Don't miss this opportunity!
Click here for details *To Steam page.
"SMILE GAME BUILDER" on Steam Winter Sale 2025
Starting today, "SMILE GAME BUILDER" and various DLCs are 80% off until Monday, January 5, 2026, at 10:00 AM PST in the Steam Winter Sale 2025 !
Don't miss this opportunity!
Click here for details *To Steam page.
“RPG Developer Bakin”
New Sample Game from Creator MAKOTO KEDOUIN
“REINES DU SABBAT Queen of Sacrifice.” Now Available!
Major Update Ver. 2.2 Released, Expanding Game Systems
Today announced the release of a new sample game titled “REINES DU SABBAT Queen of Sacrifice.,” created by game creator MAKOTO KEDOUIN using “RPG Developer Bakin”. To commemorate the release, an SNS giveaway campaign is being held in which participants can win Bakin and “REINES DU SABBAT Queen of Sacrifice.” merchandise.
In addition, we are pleased to announce the implementation of Major Update Ver. 2.2, which expands the range of game systems, including enhancements to the reserve member features.
Click here for details.
“RPG Developer Bakin”
New Sample Game from Creator MAKOTO KEDOUIN
“REINES DU SABBAT Queen of Sacrifice.” Revealed
Today that it has released new information on “REINES DU SABBAT Queen of Sacrifice.,” a new sample game currently being developed in RPG Developer Bakin (hereafter, “Bakin”) by game creator MAKOTO KEDOUIN.
Click here for details.
"RPG Developer Bakin"
SmileBoom Winter Sale: RPG Developer Bakin 20% OFF! Popular DLC Bundle Debuts!
Starting today, "RPG Developer Bakin" is 20% off, and various DLCs are 10-35% off until Thursday, December 18, 2025, at 10:00 AM PST in the SmileBoom Winter Sale 2025 ! Don't miss this opportunity!
The “Mokemo Factory MONSTER PIXEL PACK Complete Collection”—a deluxe bundle containing all volumes of “Mokemo Factory MONSTER PIXEL PACK Vol.1–5”—goes on sale today.
Click here for details *To Steam page.
"SMILE GAME BUILDER" on SmileBoom Winter Sale 2025
Starting today, "SMILE GAME BUILDER" and various DLCs are 80% off until Thursday, December 18, 2025, at 10:00 AM PST in the SmileBoom Winter Sale 2025 !
Don't miss this opportunity!
Click here for details *To Steam page.
“RPG Developer Bakin”
Game Creator: MAKOTO KEDOUIN × Bakin
Development Blog Vol. 5:
“Break Through! Master Up!” Now Live
3 new DLCs available!
The fifth installment of its development blog, "Made with RPG Developer Bakin", which chronicles the process of renowned game creator MAKOTO KEDOUIN as he builds a new sample game using RPG Developer Bakin. In addition, we are pleased to announce the release of a plugin that adds voice effects to dialogues, as well as two asset packs featuring high-resolution pixel-art characters and retro-style 3D dungeons.
Click here for details.
“RPG Developer Bakin”
Game Creator: MAKOTO KEDOUIN × Bakin
Development Blog Vol. 4:
“Game Creation — It’s a Lot Like SABBAT!” Now Live
2 new DLCs available!
The fourth installment of its development blog, "Made with RPG Developer Bakin", which chronicles the process of renowned game creator MAKOTO KEDOUIN as he builds a new sample game using RPG Developer Bakin. In addition, the company is pleased to announce the launch of two new 3D model packs that enable creators to reproduce classic European cityscapes and realistic modern urban environments.
Click here for details.
Announcement: Relocation of the Official SMILE GAME BUILDER Website
We are pleased to inform you that the official website for SMILE GAME BUILDER has been relocated to the official website of SmileBoom.
From now on, product information, customer support, and other updates will be available at the following page here.
Please note that the previous official website has been closed. If you have bookmarked it, we kindly ask you to update your bookmark to the new page.
We appreciate your continued support of SMILE GAME BUILDER.
“RPG Developer Bakin”
Celebrating 3 Years Since Early Access Launch!
Major Update Ver. 2.1 Released
Anniversary Sale Now Live!
The release of Version 2.1, a major update to the PC RPG creation tool "RPG Developer Bakin", which celebrates its 3rd anniversary in Early Access Launch on October 17, 2025. This update includes a number of new features, such as an in-game input bindings screen.
Click here for details.
"RPG Developer Bakin" on Early Access Launch 3rd Anniversary Sale
Starting today, "RPG Developer Bakin" and various DLCs are 10-30% off until Wednesday, October 29, 2025, 6:00 PM PDT in the Early Access Launch 3rd Anniversary Sale!
Don't miss this opportunity!
Click here for details *To Steam page.
"SMILE GAME BUILDER" on RPG Developer Bakin Early Access Launch 3rd Anniversary Sale
Starting today, "SMILE GAME BUILDER" and various DLCs are 80% off until Wednesday, October 29, 2025, 6:00 PM PDT in the RPG Developer Bakin Early Access Launch 3rd Anniversary Sale!
Don't miss this opportunity!
Click here for details *To Steam page.
"RPG Developer Bakin" on Steam Autumn Sale 2025
Starting today, "RPG Developer Bakin" and various DLCs are 10-30% off until Monday, October 6, 2025, 10:00 am PDT in the Steam Autumn Sale 2025 !
Don't miss this opportunity!
Click here for details *To Steam page.
"SMILE GAME BUILDER" on Steam Autumn Sale 2025
Starting today, "SMILE GAME BUILDER" and various DLCs are 80% off until Monday, October 6, 2025, 10:00 am PDT in the Steam Autumn Sale 2025 !
Don't miss this opportunity!
Click here for details *To Steam page.
“RPG Developer Bakin”
Game Creator: MAKOTO KEDOUIN × Bakin
Development Blog Vol. 3:
“The Plot is the Map, Creation is the Quest” Now Live
Exhibiting at Tokyo Game Show 2025
The third installment of its development blog, "Made with RPG Developer Bakin", which chronicles the process of renowned game creator MAKOTO KEDOUIN as he builds a new sample game using RPG Developer Bakin (read as "BAH-keen"; hereafter referred to as Bakin). We are also pleased to announce that “RPG Developer Bakin” will be available as a playable demo at the “Sapporo Game Camp” booth at Tokyo Game Show 2025, starting tomorrow. In addition, we have released two new asset packs: a high-resolution pixel art character set featuring two elves and two warriors, and a 3D model pack that allows for the creation of modern suburban environments.
Click here for details.
“RPG Developer Bakin”
Exhibiting at TOKYO GAME SHOW 2025!
SmileBoom, the developer behind fun and creative game-making tools like “RPG Developer Bakin” and “SmileBASIC,” will be exhibiting at TOKYO GAME SHOW 2025, held from September 25.
We’ll be showcasing “RPG Developer Bakin” at the “Sapporo Game Camp” booth—an event jointly hosted by game companies based in Sapporo, including SmileBoom, whose headquarters is also located there.
Come and try out the officially released version of “RPG Developer Bakin” for yourself and see what this tool is all about! We look forward to seeing you there.
Click here for details.
Programming-Free RPG Creation Tool for PC
Official Release of “RPG Developer Bakin”!
Free Trial Now Available & Launch Sale Underway!
The official release of “RPG Developer Bakin” today.
To commemorate this milestone, we have launched a free trial version, as well as a special launch sale offering great discounts on the Bakin base product and various DLCs. Additionally, a major update has been implemented alongside the official release, introducing features such as expanded equipment slots and item unlock level settings, significantly enhancing strategic depth and creative freedom.
Click here for details.
"SMILE GAME BUILDER" on RPG Developer Bakin Official Launch Sale
Starting today, "SMILE GAME BUILDER" and various DLCs are 80% off until Thursday, September 11, 2025, 12:00 AM PDT in the RPG Developer Bakin Official Launch Sale !
Don't miss this opportunity!
Click here for details *To Steam page.
"RPG Developer Bakin"
Development Blog Vol. 2:“I started making games—and I’m already winning” Now Live
Official Release Version Launch Set for August 28 – Free Trial Also Releasing the Same Day
This is the second installment of its development blog, "Made with RPG Developer Bakin", which chronicles the process of renowned game creator MAKOTO KEDOUIN as he builds a new sample game using RPG Developer Bakin (read as "BAH-keen"; hereafter referred to as Bakin). We are pleased to announce that the official release version of Bakin will launch on August 28, with a free trial version available on the same day. Alongside the release, we also plan to release three DLC packs on August 28, featuring: a new crafting feature, a localization support plugin, and a 3D model pack of fence assets.
Click here for details.
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 9, 2025 - Sunday, August 17, 2025(JST)
We will be open for business as usual from Monday, August 18, 2025.
Inquiries received during the summer holiday period will be handled in order from Monday, August 18, 2025.
“RPG Developer Bakin”
New DLCs "Ultra Building Victorian Style" "Mokemo Factory MONSTER PIXEL PACK Vol.5" "Vibrato NPC PIXEL PACK Vol.2" are released!
Three new DLCs are available today! These include:
The following new DLC packs are now available: "Ultra Building Victorian Style", a 3D model pack for building classic Victorian-style towns; "Mokemo Factory MONSTER PIXEL PACK Vol.5", a pixel-art collection featuring a variety of unique battle monsters; and "Vibrato NPC PIXEL PACK Vol.2", a high-resolution pixel-art character set that reimagines support characters from the standard assets.
Also, 10% off launch discount until August 12, 2025 at 10am PDT! Don't miss this opportunity!
Click here for details . *To Steam page.
"RPG Developer Bakin"
Game Creator: MAKOTO KEDOUIN × Bakin
New Sample Game in Development & Dev Blog Now Live
Renowned game creator MAKOTO KEDOUIN has created a new sample game using "RPG Developer Bakin" (read as "BAH-keen"; hereafter referred to as "Bakin"), and has also launched a development blog series. In addition, the company is actively running various initiatives leading up to the official release, including a social media campaign and a call for user-generated gameplay videos. Furthermore, three new DLC packs — featuring classic Victorian-style architectural parts, pixel-art monsters, and NPCs — are scheduled for release on July 29.
Click here for details.