clipman : A simple clipboard manager for Wayland ( https://github.com/yory8/clipman )
wl-mirror : A simple Wayland output mirror client ( https://github.com/Ferdi265/wl-mirror )
wluma : Automatic brightness adjustment based on screen contents and ALS ( https://github.com/maximbaz/wluma )
ydotool : Generic command-line automation tool (no X!) ( https://github.com/ReimuNotMoe/ydotool )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a supertux88
For Paludis use this rsync : rsync://gentoo.zugaina.org/supertux88-portage
If you have a problem : ycarus(-at-)zugaina.org