Earth Defense Force 6: Additional Mission Pack 1 - Lost Days offers an action-packed experience for PlayStation 4 users. This expansion introduces over 70 new weapons, enhancing the gameplay and providing players with the tools necessary to tackle the intense challenges that await. With five distinct difficulty levels, gamers can choose their preferred level of challenge and test their skills against formidable foes.

The addition of online co-op play allows players to team up with friends or other users, promoting collaboration and strategy in overcoming tough missions. This pack is designed for those who enjoy a challenge and want to expand their EDF6 experience, making it a valuable addition for fans of the series.