This is what I see now
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Warning: You are about to do a distribution upgrade with all enabled repositories. Make sure these repositories are compatible before you continue. See 'man zypper' for more information about this command.
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2 Problems:
Problem: 1: nothing provides 'libtheora0-32bit' needed by the to be installed steam-1.0.0.81-1.3.x86_64
Problem: 2: the installed wine-10.0-4.1.x86_64 conflicts with 'wine-mono < 9.4.0' provided by the to be installed wine-mono-9.3.0-1.1.noarch
Problem: 1: nothing provides 'libtheora0-32bit' needed by the to be installed steam-1.0.0.81-1.3.x86_64
Solution 1: deinstallation of steam-1.0.0.82-5.1.x86_64
Solution 2: keep obsolete steam-1.0.0.82-5.1.x86_64
Solution 3: break steam-1.0.0.81-1.3.x86_64 by ignoring some of its dependencies
Choose from above solutions by number or skip, retry or cancel [1/2/3/s/r/c/d/?] (c): 2
Problem: 2: the installed wine-10.0-4.1.x86_64 conflicts with 'wine-mono < 9.4.0' provided by the to be installed wine-mono-9.3.0-1.1.noarch
Solution 1: deinstallation of wine-mono-9.4.0-1.7.noarch
Solution 2: keep obsolete wine-mono-9.4.0-1.7.noarch
Choose from above solutions by number or skip, retry or cancel [1/2/s/r/c/d/?] (c): 2
Beyond leaving those packages obsolete, everything is fine.