Just click Spawn buttons!just spawn attackers!Then it will automatically attack the enemies that are rushing in.But don’t forget to upgrade.Get Rewards!Complete missions, spin the slot machine!, and get rewards.Earn coins to get permanent upgradesTest your luck!When spawning an attacker, its level is randomly determined and hidden may appear!Especially hidden has a good abilityAnalyze!Analyze why you couldn’t clear the level through the statistics.Luck isn’t always necessary.Hidden is spawned according to probability, but you can increase the hidden chance, and if you spawn a certain number of hiddens through probability adjustment, hidden is unconditionally spawned.The effectiveness of the attacker can be increased through appropriate upgrades.