My repo list is below. Are equivalent repos for games, science, electronics, geo, and graphics available yet for leap 16.
(base) tom@mydesktop: ~ $ sudo zypper lr -u
Repository priorities in effect: (See 'zypper lr -P' for details)
70 (raised priority) : 1 repository
90 (raised priority) : 1 repository
95 (raised priority) : 6 repositories
99 (default priority) : 6 repositories
# | Alias | Name | Enabled | GPG Check | Refresh | URI
---+----------------------------------------------+-----------------------------+---------+-----------+---------+--------------------------------------------------------------------
1 | backports-update-leap${releasever} | backports-update-leap(15.6) | Yes | (r ) Yes | Yes | http://download.opensuse.org/update/leap/15.6/backports/
2 | brave-browser | Brave Browser | No | ---- | ---- | https://brave-browser-rpm-release.s3.brave.com/x86_64
3 | download.nvidia.com-$releasever_1 | nVidia Graphics Drivers | No | ---- | ---- | https://download.nvidia.com/opensuse/leap/15.6
4 | ftp.gwdg.de-openSUSE_Leap_$releasever_1 | packman | Yes | (r ) Yes | Yes | https://ftp.gwdg.de/pub/linux/misc/packman/suse/openSUSE_Leap_15.6/
5 | http-download.opensuse.org-1ca1690e | oss-update(15.6) | Yes | (r ) Yes | Yes | http://download.opensuse.org/update/leap/15.6/oss/
6 | http-download.opensuse.org-1f61c7be | oss(15.6) | Yes | (r ) Yes | Yes | http://download.opensuse.org/distribution/leap/15.6/repo/oss/
7 | non-oss-update_${releasever} | non-oss-update (15.6) | Yes | (r ) Yes | Yes | http://download.opensuse.org/update/leap/15.6/non-oss/
8 | non-oss_${releasever} | non-oss (15.6) | Yes | (r ) Yes | Yes | http://download.opensuse.org/distribution/leap/15.6/repo/non-oss/
9 | openSUSE_Leap_${releasever} | leap 15.6 -- games | Yes | (r ) Yes | Yes | https://download.opensuse.org/repositories/games:/tools/15.6/
10 | openSUSE_Leap_${releasever}_1 | leap 15.6 -- science | Yes | (r ) Yes | Yes | https://download.opensuse.org/repositories/science/15.6/
11 | openSUSE_Leap_${releasever}_2 | leap 15.6 -- education | Yes | (r ) Yes | Yes | https://download.opensuse.org/repositories/Education/15.6/
12 | openSUSE_Leap_${releasever}_3 | leap 15.6 -- geo | Yes | (r ) Yes | Yes | https://download.opensuse.org/repositories/Application:/Geo/15.6/
13 | openSUSE_Leap_${releasever}_4 | leap 15.6 -- electronics | Yes | (r ) Yes | Yes | https://download.opensuse.org/repositories/electronics/15.6/
14 | openSUSE_Leap_${releasever}_5 | leap 15.6 -- graphics | Yes | (r ) Yes | Yes | https://download.opensuse.org/repositories/graphics/15.6/
15 | openh264 | openh264 | Yes | (r ) Yes | Yes | http://codecs.opensuse.org/openh264/openSUSE_Leap/
16 | opensuse-guide.org-openSUSE_Leap_$releasever | Libdvdcss Repository | No | ---- | ---- | http://opensuse-guide.org/repo/openSUSE_Leap_15.6/
17 | sle-updates-leap${releasever} | sle-updates-leap(15.6) | Yes | (r ) Yes | Yes | http://download.opensuse.org/update/leap/15.6/sle/
18 | vivaldi | vivaldi | No | ---- | ---- | https://repo.vivaldi.com/archive/rpm/x86_64
(base) tom@mydesktop: ~ $