OpenTTD - An open-source clone of the classic game ...
Lunacraft - Lunacraft focuses on Endless Creativity and Exploration elements.
Game Dev Tycoon - Game Dev Tycoon is an addictive, Strategy, Business Simulation, and Single-player video game developed and published by Greenheart Games.
Banished - As always, Email support (at) shiningrocksoftware (dot) com if you have any issues. This will likely be the last update of Banished, except for any major bug fixes. The OSX and Linux versions development has stopped, and won't be released.
The Paradise Cove - The Paradise Cove is playable, Action-Adventure, Casual, Building, Management, Massively Multiplayer Online, and RTS Simulation created and published by Pocket Games.
Ace of Spades: Battle Builder - Say hello to the creative shooter. Create your battleground, destroy it, then create it again.