数字行动 is a free iPhone game developed by OLIGATE TECH LIMITED. In this game, your goal is to collect numbers and earn maximum profits. With these profits, you can build your own tower barracks. Once you have your army ready, you can engage in battles against enemies in a card game format.

The game offers a unique blend of number collection and strategic card battles. As you collect numbers, you can use them to upgrade your tower barracks and unlock new units for your army. The battles are played out using cards, where you strategically deploy your units to defeat the enemy forces.

With its intuitive gameplay and engaging mechanics, 数字行动 provides an enjoyable experience for players who enjoy both number collection and strategic card battles. So, if you're looking for a game that combines these elements, give 数字行动 a try.