Protect the core from the enemies approaching! Free arrangement tower defense! They are coming closer towards the core! Tower defence with a flat design. ◆How to play- ✓ Enemies come attacking from all four directions towards the core in the centre. ✓ Homing? Piercing bullets? Choose a circle from 6 kinds of variations as you wish and make your own defence line! ✓ Choose a circle and arrange by swiping, tap to make turrets-they are all easy to operate! ✓ Use resources by attacking enemies and strengthen the circle! Make it stronger! It becomes easier to capture the stages! ◆Features ✓ You can play so smoothly, whenever you have some spare time! ✓ Use strategy? Try to be funny? You can arrange any way you like. ✓ Timing of arranging the circle and timing of using turret are important factor of the battle. ✓ There are more than 50 stages waiting for you from easy ones to quite difficult ones. ◆recommended for... ✓ Those who are fans of tower defence or defending games ✓ Those who like strategy games that are very strategic ✓ Those who enjoy a smartphone games that bring training elements. ✓ Those who want an efficient app to kill time while commuting. ✓ Those who want to enjoy a game with simple rules. ✓ Those that are looking for casual games for free. Please give us your opinions and requests here. https://www.picola.co.jp/contact-us What's New in the Latest Version 1.0.9 Last updated on Mar 7, 2021 Minor bug fixes.