Games · Tools · Experiments
Making
stuff on
computers.
高速インタラクティブ
Kosoku Interactive is one person making games, tools, and experiments — and putting them out where you can actually use them.
KOSOKU / MAKING THINGS / 2026
01 — SYSTEM OPERATIONAL
Made by
one person.
Every game, tool, and experiment on this site was made by one person. That's not a limitation. That's the whole thing.
Built when it's ready. Put out when it works.
01
Playable
Playable
now.
Say hi.
Played something, found a bug, want to build something, or just want to talk — this reaches me directly.