Molecats is a puzzle game that gives you indirect-control, as you steer your little friends through the environment by changing it. They've announced that it's officially releasing on August 28th.
Big Evil Corporation have released their puzzle-platformer that really is rather retro and not just because of the style. It was released today for Linux but it's also a SEGA Mega Drive game too.
How do you feel about hacking to save your life? In EXAPUNKS it's 1997 again and you've made a deal for one hack, one dose to prevent dying from the phage.
One Zero Three from Dystopia Interactive looks like a rather interesting short adventure puzzle game set inside the mind, currently seeking funds on Kickstarter.
For those who like the more relaxing experience that can be found in Hidden Object puzzle games, you might want to hop on over to GOG as they recently added a bunch.
Sci-fi puzzle platformer Transmogrify from Odyssey Entertainment has you turning aliens into useful objects to help solve puzzles. It sounds interesting and it's crowdfunding on Kickstarter right now.