1D: (Single-dimensional gameplay) The game takes place along only a single dimension.

Followers: (Increasing number of NPCs follow you) The game involves a growing number of autonomous non-player characters that are always following the player character’s position.

I know what you did last…: (Game changes between sessions) The game mechanics or content will change in the next play session, based on the actions taken in the previous session.

Swarm: (1000+ enemies in play at once) The game is designed to have over 1000 enemies in play at once.