Humble Indie Bundle 16 allows you to pay what you want for the infamous horror game Outlast! Along with this game, you can also pick your price for Retro City Rampage DX and Trine 3: The Artifacts of Power. Although there is a minimum payment of $5.95, you can choose to pay more for higher tier games.
Some of the games that come with the higher tier are Trine 3 and Door Kickers. For just $2 more, you can also get Else Heart Break() and Sunless Sea. You can also decide how to distribute your money to the developers, charity, and Humble Bundle itself.