Descend into Hallownest
Hollow Knight runs in your browser through a lightweight Windows emulator.
Game files (~5 GB) are downloaded once and kept locally — instant play on return visits.
Storage
~5 GB (IndexedDB)
First Launch
~30–60 min
Runtime
v86 + Wine
Controller
Gamepad + KB
Downloading Hollow Knight
Initializing...
0%
— MB/s
ETA: —
Downloaded
0 MB
Total
— MB
Chunks
0 / 0
Status
Init...
Preparing Environment
Setting up Wine + Mono runtime. This runs once.
> Initializing virtual filesystem...
Ready to Play
Hollow Knight is loaded and ready to enter Hallownest.
Tip: Press F11 for fullscreen · Esc to pause