At a glance
- Operator
- Hyungyu Jang, solo developer
- Nature
- Collection of browser-based side projects (prototypes and experiment logs)
- Projects
- 19 across games, community, utilities and information
- Use
- Varies by service, but most are free and need no app install
- Languages
- Korean and English (varies by service)
- Contact
- hyungyu@archerlab.dev
- GitHub
- github.com/JangHyunGyu
Who it is for
- Visitors who want an overview of what ArcherLab offers
- People who want to know what each service is and how to use it before opening it
- Developers curious about solo-built projects
How to use it
- Pick a service from the list below and open its guide.
- On the guide, check what the service does, its price, whether signup is needed, and the FAQ.
- Open the service from the button on the guide or from the link next to its name.
Features
- A free browser game portal with 10 games
- Visual novels: school romance and school mystery
- AI saju and fortune, golf swing analysis and Latin dance video analysis
- Hacker News summaries in Korean and IT history timelines
Good to know
Harem Mate is for adults aged 19 and over only. Mate does not replace professional counseling, and the fortune service is for entertainment.
Frequently asked questions
What is ArcherLab?
A hub of browser-based side projects built by developer Hyungyu Jang, run as a place to build prototypes and record experiments.
Are the services free?
Every service listed here can be started for free, and most need no signup or install. See each service guide for details.
Who makes them?
Hyungyu Jang handles planning, development and operation. Some projects, such as Cupid, have co-creators.
How do I get in touch?
Email hyungyu@archerlab.dev.
Where should I start?
Archerlab Games for a casual start, Cupid or Nevergrad for story games, and Karma for fortune readings.
Are there English guides?
Yes, for every service except HN Top 10, which is Korean only.
Service guides
- Archerlab Games · Open serviceFree casual browser game portal with 10 games, no download
- Cupid · Open serviceFive-day school romance visual novel in the browser, in 8 languages
- Nevergrad · Open serviceSchool mystery visual novel with seven endings, in 8 languages
- Harem Mate (19+) · Open serviceAI character chat and story roleplay for adults aged 19+ only
- Mate · Open serviceAI conversation for sorting out worries and feelings (not professional care)
- Karma · Open serviceFree AI saju, fortune, compatibility, tarot, face and palm reading
- Golf Swing Master · Open serviceFree AI golf swing analysis from an uploaded video
- Latin Dance Mate · Open serviceLatin dance club directory for Korea and AI motion analysis of dance videos
- HN Top 10 · Open serviceDaily Korean translation and summary of the Hacker News top 10 (Korean only)
- ArcherLab IT Story · Open serviceIT history timelines for computers, networks, OS, web and databases
Games in the portal
- Bubbly LabPotion color-sorting puzzle with 60-second stages
- Lumen ShiftMusic-reactive falling-block puzzle
- Jelly Pang!4×4 jelly merge puzzle
- Parking EscapeSliding-car puzzle: clear the way for the red car
- JewelriaMatch-3 jewel puzzle with chain combos
- School Zombie DefenseVertical zombie defense in a ruined school hallway
- BlockpangBlock placement puzzle on a 10×10 board
- Shadow Survival2D dungeon survival with a growing shadow army
- Cat TowerPhysics merge puzzle with 10 cat tiers
- Slime VolleyOnline slime volleyball from 1v1 to 4v4, with a bot practice mode
Solo-dev notes
- Side project ideas6 real apps from a solo dev
- Vibe coding examplesAI-era solo dev workflow