Lean and Games is a game studio that explores what games can do—and takes on social challenges through games.
We are advancing our own product R&D while selectively supporting projects in games and entertainment.
Our strength is designing experiences that turn the energy of play into learning and real-world action.
About
Purpose
Keep creating social impact through games.
Vision
Prove—with data—that games can save lives.
Tagline
Games for Social Impact.
One-line capability
Built on experience in designing global titles and improving large-scale live operations, we deliver end-to-end—from concept to live ops and growth.
Talks / Awards
- Finalist, 2nd "Toryu MOV" Pitch Event (in Japanese)
- Finalist, Rocket Pitch Night Festival 2023 (in Japanese)
- Advanced Award Winner & Finalist, Chiba Business Creation Contest 2024 (in Japanese)
What we do
Studio R&D
We research, develop, and produce game products that tackle social challenges.
Production Services
We selectively provide support across games and entertainment—from design to live operations.
R&D Portfolio
Pylori Busters
Theme: H. pylori eradication
(Preventive Medicine / Primary & Secondary Prevention)
Deliverable: Action game
Status: Playable PoC / In Development
Buzz Killers, Bite Back! (BKBB)
Theme: Malaria prevention (Inclusive Public Health)
Deliverable: RTS game
Status: Concept
Sea Protein
Theme: Nutrition imbalance driven by dietary restrictions (Well-being)
Deliverable: Merge-puzzle game
Status: Concept
Selected Track Record
B2B
Launched a matchmaking-based service and designed operational workflows, growing monthly revenue with a transaction-fee model.
B2C
Improved revenue and delivered turnarounds through game design and live-ops optimization on large-scale titles.
Services
To prioritize our own product development, we selectively take on contract work and co-development.
We mainly support games and entertainment, and can also support B2B product design and operational design.
Product Design (Product Architect)
- Product management
- Project management
- Direction
Content Design (Content Architect)
- Game design
- Level design
- Event design
Operations Design (Operations Architect)
- Live-ops design and management
- Growth design and management
- Operations improvement and management
Leveraging our founder’s background as a former engineer (server/DB) and a serial builder* with launch and turnaround experience, we provide consistent support from design through operations.
*Serial Builder: Someone who launches multiple businesses, systematizes them, and gets them up and running.
Work / Case Studies
"Otoiawase Portal" (Inquiry Portal)
Role: System & Operations Lead
What we did: System design/implementation and standardization of operational workflows.
Outcome: Built an operation model that non-IT staff can run, enabling growth in monthly revenue under a transaction-fee model.
Marvel War of Heroes
Role: Lead Game Designer
What we did: Game design, plus designing production request workflows and information formats for the transition to live operations.
Outcome: Contributed to monthly revenue growth through data-informed iteration.
Large-scale game title
Role: Live Ops Director, Level Designer
What we did: Level design for event stages, optimizing live operations and maximizing repeat access.
Outcome: Contributed to retention and access growth in a top-tier scale live service.
Idol IP game
Role: Event Content Lead, Level Designer
What we did: Event stage level design, and designing a data/analytics environment to visualize issues.
Outcome: Delivered a revenue turnaround.
Video streaming platform app
Role: Event Product Manager
What we did: Designed budgeting and prize-selection workflows, and optimized event design using data analysis.
Outcome: Turned a loss-making product profitable on a monthly basis and achieved a record-high monthly revenue.
Contact
For inquiries, please reach out via email, Facebook DM, or LinkedIn DM.
Company profile
| Company name: | Lean 'N Games Co., Ltd. |
| Founder / CEO: | Seiichi Kawasaki |
| Founded: | June 22, 2020 |
| Capital: | JPY 1,000,000 |
| Business: | 1. Planning, development, and sales of computer games 2. Planning, development, production, sales, and operation of online games 3. Planning, development, production, operation, and management of web content |
| Employees: | 1 |
| Address: | 7F Omiya Marui, 2-3 Sakuragi-cho, Omiya-ku, Saitama-shi, Saitama 330-0854 JAPAN (Greater Tokyo Area) |