Complete a Custom Campaign mission on every map in either Single Player or Co-Op.

在单人模式或合作模式下在每一张地图上都完成一个自订战役任务。

youdao

Complete a Custom Campaign mission in Co-Op.

在合作模式下完成一个自订战役任务。

youdao

Similarly, you barely notice that the game is designed around a single or co-op campaign.

FORBES: Connect

In addition to an epic single-player campaign, Resistance 2 will offer two-player online or split-screen co-op through the single-player campaign, and a new, focused progression-based multiplayer experience.

FORBES: Sony Serves Up Solid Slate of Original Games at E3 2011

Even in the single-player campaign portion of the game, co-op will be an option.

FORBES: Connect