I have the same problem, the game becomes unplayable after a while. Then I tried the following, under settings, preferences, theme - I chose "plain" and the performance-issue was solved. I know this is a work-around at best.
//Matthias Andersson -- Gnometris use 100% of CPU after a minute https://bugs.launchpad.net/bugs/144477 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
