Flipper Zero port of Chrome's running T-rex game
You need a full source of the Flipper Zero firmware,
take the release branch to build for the stable release.
Copy or symlink this folder as flipperzero-firmware/applications_user/t-rex-runner.
Run the build from the root of the firmware folder:
./fbt firmware_t-rex-runner
If you have Flipper Zero attached to USB, you can immediately compile and run the app on device:
./fbt launch_app APPSRC=applications_user/t-rex-runner