Heh, ok did not expect to see my old project sitting on the front page <3 The server is getting gently hugged to death atm but I'll try to keep it responding.
Some added info...
- The entire thing is open source: https://github.com/Abstrct/Schemaverse/
- This was discussed on hacker news 10(!) years ago https://news.ycombinator.com/item?id=3969108
- Some players have written more code to play the game than I wrote to build it
- We have a tournament every year at DEF CON
- Postgres is awesome