Merge Runes : Idle Random Defense is a Defense game that creates various types of runes to block enemies.

If you combine runes of the same attribute, they grow into higher-grade runes.
By growing the rune, you can make more powerful attacks.

As the stage progresses, more powerful enemies and bosses appear.
Try to compete with various strategies through your own rune combination!

Game features
- You can get a lot of rewards by blocking enemies using runes with 5 types of properties.
- Open the box with the obtained key to get new runes and gems.
- If you have a rune you already have, you can use gems to enhance the rune with a stronger rank.
- Create your own combinations to build a powerful deck and face enemies.
- As the stage progresses, more powerful and diverse enemies appear.
- Enter the dungeon using a rune combination made of runes that you have grown.