Y+1, X+1 is the title of the final section of the normal game. The title could actually be based of translations on a coordinate plane, for as this means, "up and to the right." The first level introduces Team Jump, a group of five squares who can "jump like nobody's business".
“We evacuated the facility, cut the network lines and locked the doors. We knew by that point what was coming, but we had no idea what to expect.”