Hate Free Heroes is being updated to a 3D format with many enhancements. The new version will be available here:
https://store.steampowered.com/app/1690790/Hate_Free_Heroes_Agents_of_Aggro_City_3D_Enhanced/
This older version will be discontinued on Steam and removed from Steam's store page but you will still have access to play the older version on Steam if you have purchased the game.