Games Like The Ten Soul

Tip.
The game is being developed by a single player, and the game is now less finished than the developer's desired end result, so buy with caution!

About the game:
This is a casual game with rogue elements, make yourself stronger by constantly fighting, defend the crystal behind you and survive as long as possible.

Game description:
You have been summoned here by the crystal, wave after wave of enemies will keep attacking the crystal, improve yourself through constant battles and fight against more and more powerful enemies.

Game Features:
Combat system: players can attack with both melee and long range attack modes.
Construction System: Buildings can be constructed to assist the player in battle.
Contract system: After defeating the enemy, the player can sign a contract with the enemy's soul, after signing the contract successfully, the player can summon and trend the soul to fight with you, the soul inherits the attributes of the previous enemy, and they have the same attack and skills, the player can command the soul in a simple way.
Characteristics system: Players can upgrade the souls of successful contracts, and they will randomly obtain different qualities of characteristics.