Game is decent but the difficulty increases faster than your ability to keep up with the monsters.
So,
Its good, but could use a few improvements.
1. Card fragments need to be sellable.
2. Card fragments should not take up inventory space.
3. If you are defeated, the replay option should not cost money,. After all you could press the replay button manually.
4. More daily quests.
5. Default card share. If no card is selected to be shared, a default one a
Should be selected. Also, a visual indication is needed.
On top of that,. A few more ranged towers at low level would be nice.
Update. Current version crashes a lot