Make Sail is a game currently in development that's inspired by the sailing adventures of Wind Waker and the creativity and construction from Kerbal Space Program and it seems it will come to Linux.
Studio Wildcard have finally released an official fix for the broken water in ARK: Survival Evolved on certain maps, sadly though it seems they've broken the Linux version completely.
Did you get a little worried at the start of that headline? Fret not, as it's about the game 'The End Is Nigh' and it's now out of beta on Steam for Linux.
Need a super cheap time filler? Grass Cutter seems like a reasonable game to add to your backlog that has Linux support. It seems totally silly, but it's actually not bad at all.
The Ultimate Trivia Challenge is a game that will test your knowledge about various subjects, it has Linux support and it might be a good choice for when you're having a little party.