You need to make sure that the game is first and foremost not repetitive and then if you toss in some replayability it's icing on the cake.

要记住最重要的是确保游戏不无聊重复然后在此基础上添加可重玩的功能使其更加完善。

youdao

King of Dragon Pass, RATING PROS: 3.5 - Rich storyline, appropriate graphics and sound, strong replayability, wonderful mythos.

CNN: Fantasy gaming on the Mac

Either way, ConQuest is rich with strategy and replayability.

CNN: Review: Star Trek: ConQuest Online

The mechanics: After each game ends, the players fill out detailed cards: age, sex, what did they think of its instructions, how unique is it, does it have replayability, would they recommend it to friends?

WSJ: The Games Smart People Play | Mind Games | By Alexandra Peers