Purely by chance, I found an obviously abandoned but still fun to play mini tower defense with a skippable tutorial level and two playable missions, beautiful graphics and performance settings.To be a master is to spam en massSo you place towers and the shoot enemies that move towards your base. I know this! Being an impatient player type, I skipped past the tutorial and was annihilated in level 1....Full article: Mini Sci-Fi Open Source Tower Defense Game
This is an adapted version of the original Anomaly Warzone Earth that is meant to be more touch screen friendly. Some people complain in reviews that it doesn't have keyboard shortcuts, but others say it is a good experience even without touch screen. I have not yet played this version so I can't comment. It gets a "Positive" on Steam's store.Full article: Free Game - Anomaly Warzone Earth Mobile Campaign @ Games Republic
Includes the following;
- Frozen Synapse Prime (2-Pack) - mixed reviews on Steam (mainly as is just a graphical refresh from older versions of Frozen Synapse) - Metacritic 7.8
- Drakensang: The River of Time - can't view Steam page (due to region blocking as per commment by @Gravy, though it does activate OK) but gets 8.7 on metacritic - http://...