Cat War Z, I was able to complete the story mode!
I thought the game was interesting in that the objective is not to survive for a long time, which is often the case in survivor-type games, but to proceed with the escape plan by consuming the same materials used for reinforcement.
If you just want to survive for a long time, you can use materials for reinforcement without thinking, but in the case of this work, you have to think about it and use it, which gave me a great sense of accomplishment when I completed the game.
There was also a good balance between the usefulness of the weapons you purchased and the consumables that you would waste materials if you used them too much.