Alphabet Blast-Survival War

Alphabet Battle is a small tower defense game, in which players will manipulate digital forts to fight against letters.
Players will continue to upgrade during the battle, slowly growing from recruit 0 to veteran 999.
In the game, players can experience a wealth of gameplay, and in the true sense, start from scratch and upgrade step by step.
Background of the story:
In that distant place, there are two powerful countries: the Kingdom of Letters and the Kingdom of Numbers.
As the saying goes, one mountain cannot accommodate two tigers, and the Alphabet Kingdom resolutely launched an attack on the Digital Kingdom.
In battle after battle, the prince "Zero" of the Digital Kingdom has repeatedly made outstanding achievements and is loved by the numbers.
And the player will experience his life from the perspective of the prince "Zero"