Gambitious Entertainment has released Diluvion, Arachnid Games' title that takes place deep below a frozen surface where at the helm of your vessel you are able to command your crew, explore uncharted worlds, build, hunt and survive this hostile submarine world. You can get it for less than $20 (15% off) on Steam, GOG and Humble Store.
Moreover, Gambitious-published titles (such as Hard Reset and Hard West) are on sale on Steam.