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Game Development With Added Alpha Factor

Tasto Alpha Co. Ltd.



Witch of Oblivion

Original Concept and Development

2024.6.8 Wishlist Now!

Steam Page

Witch and Lilies


2024.5 Early Access!!

Steam Page

Ufouria: The Saga 2

Original Concept and Development

Now on Sale!

Official Site

Steam Page

PlayStation Store

Xbox Store

Nintendo eshop

Arcana of Paradise - The Tower -

(ハテナの塔 -The Tower of Children-)

Original Concept and Development

2022 BitSummit Media Award

Now on Sale!

Official Site

Steam Page

Nintendo eshop

ONE PIECE Kung Fu Dugong unison march ♪

(ONE PIECE クンフージュゴンのユニゾン大行進♪)

Original Concept and Development
Shueisha Game Creators CAMP
One Piece Game Award Grand Prize Winner

Distribution ended

Official Site

We Can Help You

We put the Alpha Factor into game development,
creating titles loved by players the world over.


From casual apps to PC & console game development, our skilled Unity and Unreal Engine 5 trained programmers can do it all. We’ll support your development from kickoff to completion.

Game & App Development

With experience developing over 20 casual apps, and experienced game designers that have launched titles with over a million copies sold, we can create highly fulfilling game systems for any title.


Staff Introduction

Takuma Okubo
CEO and Lead Programmer

Joined BottleCube Inc. in 2008. Primarily served as lead programmer, developing approximately 20 smartphone apps, including MOTTAINAI Relax, (C)BottleCube, Oyasumi Orgel, (C)BottleCube, Nestlé Balance Recipe for Mind and Body, (C)Nestlé Japan, and Tele Bing, (C)Microsoft Japan.

Joined AppBankGames Inc. in 2012. Worked as a programmer on Dungeons & Golf and was responsible for the development and operations of Cross Horizon.

Joined Onion Games in 2015, contributing to the development of Dandy Dungeon: Legend of Brave Yamada, Million Onion Hotel and Black Bird, all as lead programmer.

Entered into a business contract with GLAMBOX Inc. in 2019.

Established Tasto Alpha Co., Ltd. in 2019.

Served as senior programmer for Arcana of Paradise in 2022.

Tom Ikeda
Director and Game Designer

In 2004, worked on the scenario and game design for Rule of Rose, released by Sony Interactive Entertainment Inc. In 2006.

Served as lead planner and scenario writer for Harvest Moon: Tree of Tranquility and Little King's Story, released by Marvelous Inc. In 2009.

Joined Grasshopper Manufacture Inc. in 2010, serving as 2D game director and planner for Shadows of the Damned, and director for Lollipop Chainsaw. Also served as the head of the planning department at the same company.

Participated in the founding of Onion Games Inc. in 2014, handling game design and level design for Dandy Dungeon: Legend of Brave Yamada and Black Bird, and also creating cutscene animations for Million Onion Hotel.

Joined GLAMBOX Inc. in 2018.

Established Tasto Alpha Co., Ltd in 2019.

Served as game director for Arcana of Paradise in 2022.


About Us


We accept work. Please contact us first.

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Company Name: Tasto Alpha Co. Ltd.

Establishment Date: June 3, 2019

Location: 5-2 Nibancho, 9th Floor, Kojimachi Plaza,  Chiyoda-ku, Tokyo 102-0084

Employees: 35 (including full-time officers and contract workers)

Business Activities: Development of home console and mobile games and apps, programming, technical design, planning, and proposals

Bank: MUFG Bank, Ltd.

Recruitment Information

We are looking to hire a few programmers skilled in Unity & Unreal Engine 5. For more details, please feel free to contact us.

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