“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.

"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. 

“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. 

SmileBASIC Summer Sale 2025!

"RPG Developer Bakin"
Official Release Celebration: SNS Campaign
Follow & Repost for a Chance to Win Bakin or DLC!
Starting today, to celebrate the upcoming official release of RPG Developer Bakin on August 28, 2025, we’re launching a Follow & Repost campaign across our official social media channels. Follow the official Bakin account and repost the campaign post to enter a giveaway! A total of 10 winners (5 per platform) will be selected to receive either a standard edition or a special bundle version of the product.
Click here for details. 

"RPG Developer Bakin"
Final Sale Before Price Revision
On Sale Today! Three New DLCs Featuring Pixel Art, BGM, and 3D Models Now Available
Today, "RPG Developer Bakin" and its DLCs will be available at a 10% to 30% discount during the Steam Summer Sale 2025, marking the final sale before the scheduled price revision on July 14, 2025. Additionally, three new DLCs have been released today, featuring pixel-art monsters, nostalgic RPG-style background music, and medieval Asia-inspired architectural parts.
Click here for details. 

"SMILE GAME BUILDER" on Steam Summer Sale 2025
Starting today, "SMILE GAME BUILDER" and various DLCs are 80% off until Thursday, July 10, 2025, 10:00 am PDT in the Steam Summer Sale 2025 !
Don't miss this opportunity!
Click here for details *To Steam page.

"RPG Developer Bakin"
Enhanced “Selection” Panel & 3D Sound! Update Ver.1.15 Released!
Today, we released Version 1.15 for “RPG Developer Bakin”. This major update adds a variety of new features to make game creation even deeper and more flexible, including an enhanced Selection panel, Variable Support for Layout Part Display Conditions, and a simplified 3D sound mode.
Click here for details . *To Steam page.

“RPG Developer Bakin” 
Official Release Set for August 28, 2025!
Exciting Roadmap Update and Limited-Time Sale!
“RPG Developer Bakin (pronounced BAH-keen)”, currently available on Steam in Early Access, will be officially released as a full product on August 28, 2025. In preparation for this release, a price adjustment will take place on July 14.
Alongside this announcement, we have published an updated development roadmap outlining future feature additions. To commemorate the confirmation of the official release date, we are holding a special sale offering 10% to 30% off “RPG Developer Bakin” and its DLCs.
new bundle combining popular DLCs at a discounted price has been launched, and the official website is currently accepting background image submissions.
Click here for details . *To Steam page.

"SMILE GAME BUILDER" on Smile Sale
Starting today, "SMILE GAME BUILDER" and various DLCs are 80% off until Thursday, June 26, 2025, 10:00 am PDT in the Smile Sale !
Don't miss this opportunity!
Click here for details *To Steam page.

“RPG Developer Bakin”
New DLCs "Floating Islands" "PixelScapes Winter Pack" "Vibrato NPC PIXEL PACK Vol.1" are released!
Three new DLCs are available today! These include:
The 3D model asset pack "Floating Islands" allows you to build a fantastical floating world, while the pixel art-style 3D model resource pack "PixelScapes Winter Pack" is themed around a snow-covered village. Additionally, the "Vibrato NPC PIXEL PACK Vol.1" is a collection of high-resolution pixel art characters that reimagine the standard asset support characters.
Also, 10% off launch discount until June 10, 2025 at 10am PDT! Don't miss this opportunity!

Click here for details . *To Steam page.

SmileBASIC Early Summer Sale 2025!
To show our appreciation for your continued support, we are holding a SmileBASIC Early Summer Sale from today until June 4, 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!

“RPG Developer Bakin” 
Game Visuals, Now More Expressive Than Ever!
Version 1.14 Released with Multi-Font Support
4 New DLCs Released & Special Sale Now On
Version 1.14, for "RPG Developer Bakin (pronounced BAH-keen)". This update introduces new features that enhance both creative expression and extensibility, including support for multiple fonts, the release of a language pack for localized editor use, and the ability to bind multiple C# scripts to events.
In addition, four new asset pack DLCs are now available, and the SmileBoom Golden Week Sale is currently underway, offering 10% off Bakin and all DLC.
Furthermore, a new bundle combining popular DLCs at a discounted price has been launched, and the official website is currently accepting background image submissions.
Click here for details . *To Steam page.

"SMILE GAME BUILDER" on SmileBoom Golden Week Sale 2025
Starting today, "SMILE GAME BUILDER" and various DLCs are 80% off until Thursday, March 20, 2025, 10:00 am PDT in the SmileBoom Golden Week Sale 2025 !
Don't miss this opportunity!
Click here for details *To Steam page.

“RPG Developer Bakin”
New DLCs "Mokemo Factory MONSTER PIXEL PACK Vol.2", "SMILE Characters DX Vol.2", "Modular Medieval Signs" and "Aztec Temple" are released!
New 3D Resource Pack DLCs are available today.
These include:
1) Mokemo Factory MONSTER PIXEL PACK Vol.2, a pixel art asset collection of battle monsters such as ghosts, autonomous armored vehicles, marine creatures, dinosaurs, and beastmen.
2) SMILE Characters DX Vol.2, the second 3D model resource pack for Bakin, is based on SMILE Characters Vol.1 for SMILE GAME BUILDER and enhanced with blend shapes and motions.
3) Modular Medieval Signs, a modular 3D model pack that allows the creation of various signs to decorate the streets of a medieval fantasy RPG.
4) Aztec Temple, a 3D model pack that recreates an ancient Aztec temple surrounded by majestic mountains.
Also, 10% off launch discount until April 8, 2025 at 10am PDT! Don't miss this opportunity!

Click here for details . *To Steam page.

"RPG Developer Bakin" on Steam Spring Sale 2025
Starting today, "RPG Developer Bakin" and various DLCs are 10% off until Thursday, March 20, 2025, 10:00 am PDT in the Steam Spring Sale 2025!
Don't miss this opportunity!
Click here for details *To Steam page.

"SMILE GAME BUILDER" on Steam Spring Sale 2025
Starting today, "SMILE GAME BUILDER" and various DLCs are 80% off until Thursday, March 20, 2025, 10:00 am PDT in the Steam Spring Sale 2025 !
Don't miss this opportunity!
Click here for details *To Steam page.

SmileBASIC 14th Anniversary Sale! (until March 26, 2025)
On March 9, 2025, it will be the 14th anniversary since the release of the first SmileBASIC in Japan. To celebrate, we are holding a SmileBASIC Sale to make the SmileBASIC series more accessible to a wider audience!
Not only will SmileBASIC be on sale, but titles from the "Made with SmileBASIC" project, where user creations are commercialized, will also be available at a discount!
The sale is ongoing now until March 26, 2025!

"RPG Developer Bakin" on SmileBoom Spring Sale 2025
Starting today, "RPG Developer Bakin" and various DLCs are 10% off until Thursday, March 13, 2025, 10:00 am PDT in the SmileBoom Spring Sale 2025!
Don't miss this opportunity!
Click here for details *To Steam page.

"SMILE GAME BUILDER" on SmileBoom Spring Sale 2025
Starting today, "SMILE GAME BUILDER" and various DLCs are 80% off until Thursday, March 13, 2025, 10:00 am PDT in the SmileBoom Spring Sale 2025 !
Don't miss this opportunity!
Click here for details *To Steam page.

“RPG Developer Bakin”
New DLCs "Abandoned Sewer" "Modular Cemetery" "City Assets" are released!
New 3D Resource Pack DLCs are available today. "Abandoned Underground Sewer", which focuses on abandoned underground sewers; "Modular Cemetery", which allows users to build cemetery scenes for horror and dark fantasy games; and "City Assets", which contains a variety of facilities that make up a city.
Also, 10% off launch discount until March 11, 2025 at 10am PDT! Don't miss this opportunity!

Click here for details . *To Steam page.

“RPG Developer Bakin”
New DLCs "Mokemo Factory MONSTER PIXEL PACK Vol.1" is newly released!
A collection of pixel art assets called "Mokemo Factory MONSTER PIXEL PACK Vol.1" was released today. It includes 20 battle monsters created by pixel art artist Mokemo based on dinosaurs, animals, plants, undead, machine hybrids, spirits, and more. In addition, we are offering a 10% launch discount until February 11, 2025 at 10am PST! Don't miss this opportunity!

Click here for details . *To Steam page.