heyo! thanks for playing the game. i’ll try to answer your questions as best i can:
1: yes, that would mean that each enemy hits you
2: dmg would be the damage they deal to you! hits are how many hits it takes to defeat the enemy
3: with a shield you can remove one of the d4s, negating the damage from one of the enemies
4-5: some mutation have a number in brackets (like: lasers (4)). this is the amount of stamina you have to spend to use this mutation once. if a mutation doesnt have any number next to it, it is applied either always or based on its requirements (which can be once per day or in a certain situation)
6-7: with the dagger you can reroll the attack d4s if you roll a 1, giving you a higher chance to hit the enemies
8: no attack roll after the initial d4 is necessary! each round should be: roll d4s -> see if you hit or if enemies hit -> apply damage to yourself, or reduce hits of the enemies
feel free to ask follow ups! i’m always looking for ways to clarify the rules in future revisions <3