Today's collection of independent game links includes more indie game previews, a couple of development updates, the usual round-up of interviews with developers from around the 'net. (image source)

Dev.Mag: How are puzzle games designed
"We asked five developers of interesting puzzle games how they did it: what they consider a good puzzle, what processes they follow, and how they zone in on fun and manage difficulty."

Gamasutra: Penny Arcade Launching PAX Dev
"The people behind the Penny Arcade Expo and its PAX East spin-off have announced PAX Dev, a new conference dedicated to the developer community to be held for the first time this August."

Gamasutra: Humble Frozenbyte Bundle Reaches Over $576K
"Just three days after the charity campaign launched, the latest Humble Indie Bundle, filled with Frozenbyte titles, has already sold more than 112,000 packages and generated over $576,000."

GameSetWatch: Ace Of Spades Brings Team-Based FPS to Minecraft
"While it isn't something as fantastic as a video game interpretation of the Motörhead song, Ace of Spades is definitely a game you should check out, especially if you've ever wanted some team-based, first-person gunplay mixed in with your Minecraft."

Alternative Magazine Online: In Conversation with Joshua Nuernberger
"We recently reviewed indie adventure game Gemini Rue, proclaiming it to be one of the best adventure games of 2011. Following on from this review, the game’s creator Joshua Nuernberger was kind enough to join us for a follow-up interview where we discussed the game and its multiple layers in-depth."

A Hardy Developer's Journal: Interview with Jake Elliot
"Jake Elliot is an independent video game developer who releases his games through an experimental studio he calls Cardboard Computer. His game A House in California was nominated for the IGF‘s Nuovo Award, and the source code for each of his games is released to the public."

Amon26: Lesbian Spider-Queens of Mars OST
"Some people have been mailing and asking if I could send them the mp3's of my music I wrote for LSQM. The good news is that the other day I received an e-mail from Anna Anthropy giving me her blessing to share this music with all of you."