Osmose

The Tower of Zeldaga is a free retro mash-up of Zelda and Druaga in which you rescue Ganondorf from some evil blonde queen

The Tower of Zeldaga is a free, browser-based retro mash-up game created by Osmose, blending elements of the original The Legend of Zelda with Namco's The Tower of Druaga. The game features a challenging maze structure and puzzles, with the developer anticipating players might try to cheat using browser tools.