Games similar to Dungeon Falan include Pixel Dungeon, which is open source with a free version. Other options are 10,000,000 and Blocky Dungeon. In total there are three Roguelike Games like Dungeon Falan for Windows, Android, iPhone, Mac and iPad.
Pixel Dungeon is a traditional roguelike game with pixel-art graphics and simple interface. Explore the depths of Pixel Dungeon, collect useful items, fight fierce monsters to find Amulet of Yendor (surprise!) - the ultimate artifact of this game world.
Russia
10,000,000 is an award winning hybrid RPG/Action/Puzzle game. Matching tiles controls your character enabling you to explore, fight and loot. When you are not facing monsters you will be back in your prison, constructing buildings and getting stronger for your next run.
United Kingdom
Blocky Dungeon is a weird mix of block-placing puzzle and roguelike, where you build a dungeon and explore it at the same time! Defeat enemies, clear lines and collect loot. Explore the different dungeons, complete quests and try to survive as long as you can!
