update content 1.21

Yet another tower defence

Ancient demons summoned from the deep dark abyss, and brought ruin to Tiede, land of our home. You should know your towers, and use them wisely. Bring your sword, worrior, and your brave heart! Join me in this defence of the ancient...lands!

1. New challenge map, new mini-game (one stroke) [img]https://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/33661876/9b5c304fa39f8485cee28ad30e107d23caa0a435.jpg[/img] 2, adjust the speed of the mouse to drag the perspective 3, performance optimization 4, part of the BUG repair 5. Sort the defensive towers in the encyclopedia 6, eyesight training to increase text prompts