Complex sentence: The game ends when Carmen, the player, and the Good Guides return to ACME Headquarters in the present-day, where the player and the Good Guides successfully captures Carmen and put her behind laser-bars.
Split into simpler sentences: The game ends when Carmen, the player, and the Good Guides return to ACME Headquarters in the present day. The player and the Good Guides capture Carmen and put her behind laser-bars.