Games can be played with a gamepad/joystick attached to your device, or you can use joystick emulation as follows
Keyboard Layout 1The game status from the "Save" button is available for every game after restart also.
C64 JavaScript Emulator is developed by Thomas Hochgoetz License: The C64 JavaScript Emulator is free for non-commercial use only. Minimum Requirements: 2 GHz CPU and an up-to-date browser - see here for browser and sound support.
See the C64 JavaScript Emulator site for more details.