Defender's Quest is a Tower-Defense/RPG Hybrid tightly focuses on three things: tactical depth, customization, and story.
This is a horrible game. Despite them claiming to focus on costumisation, tactical depth and story. I only find the story rewarding. The dialogue is witty and good, something I have fully enjoyed. But the game itself is merely a question of giving your guys the best equipment and then placing them around, and go have a snack while everything sorts itself out. Although I wouldn't call this game grind based, since grinding takes some participation on the players part, I would say it is rather bland and meaningless. Watching your guys obliterate one wave of enemies after another so you can get that +something sword, or that level up.