- Unit summoning and synthesis
Summon units to your desired location using your own strategy and block the incoming enemies.
By combining like units, you can get more powerful units!
- Unusual enemies
The enemies in Double Up Defense are not just walking meat shields! (caution)
Use strategic elements such as units or gimmicks that can destroy the characteristics of monsters!
- A hero you can control directly
Leave the monsters you shed to the heroes.
You can easily clear the wave by using powerful skills during each cooldown!
- Strategic item farming
You can also farm items that can be permanently acquired by dispatching summoned units.
Some units may be better at retrieving treasure than killing enemies!
- Dozens of stages and themed chapters
Enjoy an adventure with a completely different atmosphere in each chapter!
You can feel a sense of accomplishment as you clear each stage.
- Fun and challenging rules that are different from the basic rules!
You can obtain beneficial effects for units and heroes through challenges other than the main stage, such as combination rules, probability summon rules, and count rules.
- Raid Ranking
Compete for rankings with other users in Solo Raid.
If you have both strategy and luck, the Champion Trophy is yours!